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Siemens QR23B125 Type QR2 Molded Case Circuit Breaker, 125A, 3P, 240VAC

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SKU
QR23B125

The Siemens QR23B125 Type QR2 molded-case circuit breaker is a three-pole unit rated for 125 A continuous at 40°C (104°F) and 240 VAC. It uses a QR 250 A frame and has a 10 kA RMS symmetrical interrupting rating at 240 VAC, thermal-magnetic trip operation, and mounted 3TA1QR300 load-side lugs.

  • 125 A Continuous Rating
  • Three-Pole, 240 VAC
  • 10 kA Interrupt Rating
  • Thermal-Magnetic Trip
  • Included 3TA1QR300 Load-Side Lugs
  • Bolt-On Mounting

Product Overview

The Siemens QR23B125 Type QR2 molded-case circuit breaker is a three-pole unit rated for 125 A continuous at 40°C (104°F) and 240 VAC. It uses a QR 250 A frame and has a 10 kA RMS symmetrical interrupting rating at 240 VAC, thermal-magnetic trip operation, and mounted 3TA1QR300 load-side lugs.

Technical Specifications

Product information and specifications for the selected item.

SKU: QR23B125

Product Information

BrandSiemens
MPNQR23B125
SKUQR23B125
UPC / GTIN804766136634
CategoryCircuit Breakers

Key Specs

Maximum Amperage (A)125
Voltage240 V
Interruption TypeStandard Trip
Breaker TypeStandard
Mounting TypeBolt-On

Electrical Ratings

Maximum Amperage (A)125
Voltage240 V
Interruption TypeStandard Trip
Frequency rating50/60 Hz
Temperature rating40°C (104°F)
Interrupting rating10 kA RMS symmetrical at 240 V AC

Breaker Configuration

Breaker TypeStandard
Mounting TypeBolt-On
Series TypeMolded Case Circuit Breakers (MCCB)
Included load-side terminals3TA1QR300 load-side lugs are mounted and included when ordered
Trip operationThermal-magnetic; LI (long-time and instantaneous); non-interchangeable trip
Number of poles3 poles
Included lug wire range#3–300 kcmil Al/Cu, for 75°C wire AWG/kcmil
Trip calibrationFixed thermal/fixed magnetic

Pack & Smart Features

Bundle/SingleSingle Product
Pack OptionsSingle Item

Certifications

Certifications and ListingsCSA Certified, UL Listed
Reverse-feed applicationUL listed for reverse-feed applications
HACR ratingHACR rated

Dimensions & Weight

Height (in.)7
Width (in.)4.5
Length (in.)2.53

Product Documents

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