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.
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.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 10 reviews.
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.