{"product_id":"30a-3p-240v-fused-heavy-duty-indoor-safety-switch","title":"30A 3P 240V FUSED HEAVY DUTY INDOOR SAFETY SWITCH","description":"\u003cdiv style=\"max-width:1120px;margin:0 auto;color:#374151;font-family:inherit;line-height:1.6;\"\u003e\n\u003csection style=\"padding:22px 24px;border:1px solid #E5E7EB;border-top:5px solid #DC0224;border-radius:14px;background:linear-gradient(135deg,#FFFFFF 0%,#F7F7F7 100%);box-shadow:0 4px 14px rgba(17,24,39,0.07);\"\u003e\u003cp style=\"margin:0 0 8px;color:#DC0224;font-size:0.78rem;line-height:1.3;font-weight:800;letter-spacing:0.08em;text-transform:uppercase;\"\u003eExcel Lighting \u0026amp; Electrical Supply Co.\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 10px;color:#1F2937;font-size:1.35rem;line-height:1.3;font-weight:750;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:1rem;line-height:1.7;\"\u003eThe Siemens HF321NA is a 30 A, three-pole, 240 V fused heavy-duty indoor safety switch with mechanical lugs, intended as a disconnecting means for service entrances and loads.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"margin:28px 0 0;\"\u003e\u003ch2 style=\"margin:0 0 14px;color:#1F2937;font-size:1.25rem;line-height:1.3;font-weight:700;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;\"\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003e30 A, 3-Pole, 240 V\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThis fused, heavy-duty indoor safety switch is load-break rated.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eClass H and K Fuse Compatibility\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe spring-reinforced fuse clips accept Class H and K fuses; Class R fuses require a fuse-clip kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eFuse-Dependent Short-Circuit Rating\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe short-circuit rating is 10,000 AIC with Class H fuses and up to 200,000 AIC with Class R fuse protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003e240 V AC Motor HP Ratings\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eAt 240 V AC, single-phase ratings are 1.5 HP standard \/ 3 HP maximum and three-phase ratings are 3 HP standard \/ 7.5 HP maximum; standard ratings apply with non-time-delay fuses and maximum ratings with time-delay fuses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eMechanical Lug Wire Ranges\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eMechanical lugs accept #12–6 AWG aluminum or #14–6 AWG copper conductors; the ground range is #14–4 AWG.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #E5E7EB;border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(17,24,39,0.06);\"\u003e\n\u003ch3 style=\"margin:0 0 8px;color:#1F2937;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eOFF-Position Padlocking and Cover Interlock\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#4B5563;font-size:0.95rem;line-height:1.6;\"\u003eThe handle can be padlocked in the OFF position with up to three padlocks using 5\/16-in. hasps; the defeatable dual cover interlock prevents opening the cover while ON and prevents switching ON while the door is open.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"margin:28px 0 0;padding:20px;border:1px solid #E5E7EB;border-left:4px solid #DC0224;border-radius:12px;background:#F9FAFB;\"\u003e\u003ch2 style=\"margin:0 0 12px;color:#1F2937;font-size:1.2rem;line-height:1.3;font-weight:700;\"\u003ePractical Applications\u003c\/h2\u003e\n\u003cul style=\"margin:0;padding-left:20px;color:#4B5563;font-size:0.95rem;line-height:1.55;\"\u003e\n\u003cli style=\"margin:0 0 8px;padding-left:2px;\"\u003eIndoor service entrance disconnects\u003c\/li\u003e\n\u003cli style=\"margin:0 0 8px;padding-left:2px;\"\u003eIndoor electrical load disconnects\u003c\/li\u003e\n\u003cli style=\"margin:0 0 8px;padding-left:2px;\"\u003eIndoor three-phase motor disconnects\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\n\u003c\/div\u003e\u003c!-- registry-additional-specifications:start --\u003e\u003csection style=\"margin:28px 0 0;\"\u003e\u003ch2 style=\"margin:0 0 14px;color:#1F2937;font-size:1.25rem;line-height:1.3;font-weight:700;\"\u003eAdditional specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Construction\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eFuse-clip construction\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eSpring-reinforced fuse clips provide reliable contact.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eANSI #61 grey paint.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eCurrent-carrying materials\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003ePlated copper current-carrying parts, except the lugs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eSwitching action\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eQuick-make\/quick-break switching with a double-break visible-blade design.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eEnclosure material\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eCold-rolled steel.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Installation\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eField-convertible lugs\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eFront-removable lugs can be converted to copper-body or compression-type lugs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eTerminal wire range\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eMechanical lug range: #12–6 AWG aluminum or #14–6 AWG copper; ground: #14–4 AWG.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eMounting method\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eSurface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eWire-bending space\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eLine-side: 3.02 in (77 mm); load-side: 5.36 in (136 mm) for 240 V fused installation. in (mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eConductor temperature rating\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e60 or 75 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eElectrical connection\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eMechanical lugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Electrical\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eMotor horsepower ratings\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e240 V AC: 1.5 HP standard \/ 3 HP maximum (1-phase), and 3 HP standard \/ 7.5 HP maximum (3-phase); 5 HP at 250 V DC. Standard ratings apply with non-time-delay fuses; maximum ratings with time-delay fuses. Design E motor ratings apply without derating.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eRated frequency\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eLoad-break capability\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eLoad-break rated.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eAdditional DC voltage rating\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e250 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Compatibility\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eCompatible fuse classes\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eAccepts Class H and K fuses; Class R requires a fuse-clip kit.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Environmental\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eOperating ambient temperature range\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e-29 to 85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Operation\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003ePosition indication\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eHighly visible ON\/OFF indication.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Durability\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eMechanical service life\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e10,000 typical operating cycles\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Application\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eIntended use\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eDisconnecting means for service entrance and loads.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Safety\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eHandle padlocking\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eHandle can be padlocked in the OFF position with up to three padlocks using 5\/16-in. hasps.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F9FAFB;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eCover interlock\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eDefeatable dual cover interlock; prevents opening the cover while ON and prevents turning the switch ON while the door is open.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eLine-side shielding\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003eIncludes internal shields meeting NEC 2020 230.62 line-side barrier requirements.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 18px;border:1px solid #E5E7EB;border-radius:12px;overflow:hidden;background:#FFFFFF;\"\u003e\n\u003ch3 style=\"margin:0;padding:12px 14px;background:#757575;color:#FFFFFF;font-size:1rem;line-height:1.35;font-weight:700;\"\u003eAdditional specifications · Protection\u003c\/h3\u003e\n\u003cdiv style=\"width:100%;overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;min-width:420px;border-collapse:collapse;border-spacing:0;font-family:inherit;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;padding:12px 14px;border-top:1px solid #E5E7EB;color:#374151;text-align:left;vertical-align:top;font-size:0.92rem;line-height:1.45;font-weight:600;\"\u003eShort-circuit rating\u003c\/th\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #E5E7EB;color:#4B5563;vertical-align:top;font-size:0.92rem;line-height:1.45;\"\u003e10,000 AIC with Class H fuses; up to 200,000 AIC with Class R fuse protection.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003c!-- registry-additional-specifications:end --\u003e\n\u003cdiv data-excel-commodity-members=\"true\"\u003e\n\u003ch3\u003eEquivalent part numbers\u003c\/h3\u003e\n\u003cp\u003eHF321N\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":68229727977583,"sku":"HF321NA","price":147.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8970\/4303\/files\/excel-sku-hf321n-e124e644.jpg?v=1794010589","url":"https:\/\/excel-lighting-electrical-supply-co.myshopify.com\/products\/30a-3p-240v-fused-heavy-duty-indoor-safety-switch","provider":"Excel Lighting \u0026 Electrical Supply, Co.","version":"1.0","type":"link"}