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Siemens QR23B200 Molded Case Circuit Breaker

  • 200A
  • 3 Pole
  • Bolt-On
Siemens QR23B200
Molded Case Circuit Breaker
Brand Siemens
SKU QR23B200
Select Item Condition
Earn 747 SuperPoints
  • 200A
  • 3 Pole
  • Bolt-On

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Siemens QR23B200 - 200A 3 Pole Molded Case Circuit Breaker

Siemens QR23B200 - 200A 3 Pole Molded Case Circuit Breaker

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$747.60 In Stock

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Description

Built for commercial environments, this 200-amp SENTRON breaker delivers reliable overcurrent protection. The three-pole unit features a fixed thermal-magnetic trip system. Designed for bolt-on mounting, it fits into Siemens P1, P2, and P3 panelboards. This QR-frame model replaces discontinued QJ23B200 breakers. Offering a 10kA interrupting capacity at 240VAC, it handles demanding loads safely. It includes reverse feed capability and a push-to-trip mechanism.

Specifications

Key specifications
Brand Siemens
Part Number QR23B200
Series QR
Amperage 200A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC
Phase 3
AIC Rating 10kA @ 240VAC
Fit and installation
Frame Type QR
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Meter Centers, Switchboards, Load Centers
Wire Gauge 3 AWG - 300 kcmil (Al/Cu)
Max Wire 300 kcmil
Min Wire 3 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, HACR Rated, UL 489
Approval CSA, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Non-Interchangeable Trip, Push-to-Trip Button

Product FAQs

6 answers
Can this breaker replace an older QJ frame model?

Yes, the QR series is the direct successor and replacement for legacy QJ frame breakers [1.3.1]. Note that retrofitting this unit into older distribution switchboards or power panels may require a specific mounting adapter kit.

Is this breaker approved for reverse-feed applications?

Yes, this Siemens circuit breaker features a reverse-feed rating, allowing it to be back-fed when required by your electrical system design.

Does this breaker carry an HACR rating?

Yes, it is HACR rated, making it approved for protecting heating, air conditioning, and refrigeration equipment circuits.

How does ambient temperature affect the operation of this breaker?

This unit is calibrated for standard operation at a 40 degrees Celsius ambient temperature. If you are operating the breaker in an environment exceeding this temperature, it must be derated.

Does this model accept internal accessories?

Yes, this frame supports various UL Listed and CSA Certified field-installable internal accessories, including auxiliary switches and shunt trips.

Does this breaker include a push-to-trip feature?

Yes, this breaker is equipped with a push-to-trip button, allowing you to easily test the mechanical tripping mechanism for maintenance and safety verifications.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
1 review
  • BG
    Bob G.
    Verified Buyer
    Reviewing
    Siemens QR23B125 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/7/26
    Perfect replacement

    I had a load center with a broken main breaker handle. Ordered this one received it in two days and had it replaced in about 1/2 hour.