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Siemens QJ22B080H Molded Case Circuit Breaker

  • 80A
  • 2 Pole
  • Bolt-On
Siemens QJ22B080H
Molded Case Circuit Breaker
Brand Siemens
SKU QJ22B080H
Select Item Condition
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  • 80A
  • 2 Pole
  • Bolt-On

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Siemens QJ22B080H 2 Pole Circuit Breaker

Siemens QJ22B080H - 80A 2 Pole Molded Case Circuit Breaker

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$752.38 In Stock

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Description

Engineered for commercial applications, the Siemens QJ22B080H is a 2-pole molded case circuit breaker featuring thermal-magnetic trip technology with fixed long-time and instantaneous (LI) protection. This 80A breaker installs into Siemens P1, P2, and P3 panelboards, as well as compatible switchboards. The bolt-on design provides a secure connection, while the non-interchangeable trip unit maintains consistent performance.

Specifications

Key specifications
Brand Siemens
Part Number QJ22B080H
Series QJ
Amperage 80A
Poles 2
Mounting Style Bolt-On
Voltage 240VAC
Phase 1
AIC Rating 42kA @ 240VAC
Fit and installation
Frame Type QJ
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers
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, Alarm Switch, Undervoltage Release, Line Side Lugs
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Non-Interchangeable Trip, Extra High Interrupting Capacity

Product FAQs

6 answers
Which Siemens panelboards are compatible with the QJ22B080H breaker?

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

What does the H in the QJ22B080H catalog number indicate?

The H designates this as a high-interrupting QJ2H type breaker, providing a 42kAIC rating at 240VAC for systems requiring higher fault current protection.

Can the trip unit on the QJ22B080H be swapped for a different amperage?

No, this breaker features a fixed thermal-magnetic trip unit that is non-interchangeable.

Can I install this breaker in a standard residential load center?

No, the QJ22B080H is a bolt-on molded case circuit breaker built for commercial panelboards and switchboards, not standard plug-on residential load centers.

What type of protection does the QJ22B080H provide?

It features a thermal-magnetic trip unit with fixed long-time and instantaneous (LI) functions, protecting commercial circuits against both sustained overloads and sudden short circuits.

How does this breaker connect to the busbar?

The QJ22B080H utilizes a bolt-on connection, providing a secure, vibration-resistant installation in compatible Siemens panelboards and motor control centers.

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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.