Operating as a reliable safeguard for commercial systems, the Siemens QJ22B080L is a 2-pole molded case circuit breaker. It utilizes fixed thermal and magnetic trip elements to deliver long-time and instantaneous (LI) protection. This unit mount breaker is engineered for feed-thru applications, making it highly compatible with Siemens modular meter centers and panelboards. The included lugs accept a wide range of wire gauges for flexible installation.
What types of panels are compatible with the QJ22B080L?
This unit-mount, feed-thru breaker is compatible with Siemens Modular Meter Centers, panelboards, and enclosures designed to accept QJ or QR frame molded case circuit breakers.
What does the L suffix in the QJ22B080L catalog number indicate?
The L at the end of the part number signifies that the breaker is supplied with factory-installed line and load lugs.
Is the Siemens QJ22B080L suitable for HVAC equipment?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
What is the ambient temperature rating for the QJ22B080L?
This breaker is calibrated for an ambient operating temperature of 40 degrees Celsius (104 degrees Fahrenheit).
Are the trip settings on the QJ22B080L adjustable?
No, this breaker features a non-interchangeable trip unit with fixed thermal (long-time) and fixed magnetic (instantaneous) protection.
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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.