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Siemens QJ23B225H Molded Case Circuit Breaker

  • 225A
  • 3 Pole
  • Unit Mount
Siemens QJ23B225H
Molded Case Circuit Breaker
Brand Siemens
SKU QJ23B225H
Select Item Condition
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  • 225A
  • 3 Pole
  • Unit Mount

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QJ23B225H

Siemens QJ23B225H - 225A 3 Pole Molded Case Circuit Breaker

Re-Certified

$507.84 In Stock

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Description

Engineered for commercial applications, the Siemens QJ23B225H is a 3-pole, 225A MCCB from the Sentron family. It provides reliable overcurrent protection for heavy-duty systems. This unit mount breaker installs into Siemens meter centers, panelboards, and switchboards. It is officially replaced by the newer HQR23B225 model for facility upgrades. Featuring a fixed thermal-magnetic trip unit, it delivers a high interrupting capacity of 42kA at 240VAC and is HACR rated.

Specifications

Key specifications
Brand Siemens
Part Number QJ23B225H-R
Series QJ
Amperage 225A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC
Phase 3
AIC Rating 42kA @ 240VAC
Fit and installation
Frame Type QJ
Terminal Type Lugs
For Use With Siemens Meter Centers, Panelboards, Switchboards
Wire Gauge 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al)
Max Wire 300 kcmil
Min Wire 6 AWG (Cu), 4 AWG (Al)
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, Padlock Attachment
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, HACR Rated, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed

Product FAQs

5 answers
Which Siemens panelboards accept the QJ23B225H circuit breaker?

This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards. It is also compatible with Siemens switchboards and modular meter centers.

Is there a newer replacement for the QJ23B225H?

Yes, Siemens officially replaced the legacy QJ frame with the newer QR frame. The direct replacement for this breaker is the HQR23B225, which shares the same form factor and mounting for easy retrofitting.

Can the QJ23B225H be reverse fed?

Yes, this breaker is reverse-feed capable, allowing it to be used in applications where power is supplied from the load side terminals.

Is the QJ23B225H suitable for HVAC applications?

Yes, this breaker is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration equipment.

What specific frame type is the QJ23B225H?

While it belongs to the general QJ/QR frame group, this specific model is a QJ2H type frame, which provides a higher interrupting capacity of 42kA at 240V compared to standard QJ models.

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Reviews

4.8
Rated 4.8 out of 5 stars
Based on 10 reviews
Rating
Ratings
10 reviews
  • WM
    William M.
    Verified Buyer
    Reviewing
    Siemens QJ23B125 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/11/26
    Breaker

    Perfect

  • TN
    Timothy N.
    Verified Buyer
    Reviewing
    Siemens QJ23B200 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/27/26
    10% off

    Arrived on time, worked when turned on

  • WK
    Willie K.
    Verified Buyer
    Reviewing
    Siemens QJ23B150 - 150A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    7/22/26
    Breaker

    The Breaker arrive fast and in good condition however when I looked at the specs it was not the correct one.

  • PG
    Phil G.
    Verified Buyer
    Reviewing
    Siemens QJ23B200 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/3/26
    Great Service

    I was in a bind for this breaker that was for an elevator, and Nick got me all the components even though their blizzard! Will use them for all my specialty breakers.

  • VC
    Vladimir C.
    Verified Buyer
    Reviewing
    Siemens QJ22B200 - 200A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    12/10/25
    4 start

    The breaker was it perfect match.,but it was missing the two top bolts.