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Siemens HQR22B225 Molded Case Circuit Breaker

  • 225A
  • 2 Pole
  • Bolt-On
Siemens HQR22B225
Molded Case Circuit Breaker
Brand Siemens
SKU HQR22B225
Select Item Condition
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  • 225A
  • 2 Pole
  • Bolt-On

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Siemens HQR22B225 - 225A 2 Pole Molded Case Circuit Breaker

Siemens HQR22B225 - 225A 2 Pole Molded Case Circuit Breaker

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$470.40 In Stock

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Description

Engineered for commercial and industrial applications, the Siemens HQR22B225 is a 2-pole, 225A molded case circuit breaker from the SENTRON family. It features a robust thermal-magnetic trip unit with long-time and instantaneous functions. Designed as a seamless bolt-on replacement for legacy QJ frame breakers, it mounts into Siemens P1, P2, and P3 panelboards and switchboards. Rated at 65 kAIC at 240VAC, this HACR-rated breaker supports reverse feed installations for maximum flexibility.

Specifications

Key specifications
Brand Siemens
Series HQR
Amperage 225A
Poles 2
Mounting Style Bolt-On
Voltage 240VAC
Phase 1
AIC Rating 65kA @ 240VAC
Fit and installation
Frame Type HQR
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards, Meter 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
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Reverse Feed, Push-to-Trip, Non-Interchangeable Trip, High Interrupting Capacity

Product FAQs

7 answers
What panelboards are compatible with the HQR22B225 circuit breaker?

This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible switchboards and meter centers.

Can the HQR22B225 be used to replace older QJ frame breakers?

Yes, the SENTRON QR frame serves as a direct, upgraded bolt-on replacement for legacy QJ frame circuit breakers, such as the QJ22B225 or QJH22B225, fitting into the same Siemens panelboard spaces.

What is the difference between the QR22B225 and the HQR22B225?

The primary difference is the interrupting capacity. The standard QR22B225 is rated for 10kAIC at 240VAC, while the HQR22B225 is a high-interrupting breaker rated for 65kAIC at 240VAC.

What wire sizes are accepted by the lugs on the HQR22B225?

The factory-installed lugs accept 3 AWG through 300 kcmil aluminum or copper conductors.

Is the Siemens HQR22B225 suitable for reverse feed applications?

Yes, this QR frame circuit breaker supports reverse feed configurations, allowing it to be back-fed in compatible panels.

Does this breaker feature a push-to-trip button for testing?

Yes, the HQR22B225 includes a push-to-trip button on the face of the breaker to manually verify the mechanical operation of the tripping mechanism.

Is the HQR22B225 HACR rated?

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

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