Engineered for commercial and industrial applications, the GE THQC21100 provides robust thermal-magnetic protection for 120/240V systems. This 100-amp molded case circuit breaker handles standard power distribution tasks with a 10kAIC rating. It installs onto standard 35mm DIN rails, making it highly adaptable for OEM panels and custom enclosures. Equipped with an internal common trip and a quick-make/quick-break mechanism, this Q-Line breaker is HACR rated for HVAC equipment.
Specifications
Brand
ABB / General Electric
Series
THQC
Part Number
THQC21100
Amperage
100A
Voltage
120/240VAC
Poles
2
Phase
1
AIC Rating
10kA @ 120/240VAC
Mounting Style
DIN Rail
Terminal Type
Lugs
For Use With
35mm DIN Rail, OEM Panels, Enclosures
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Wire Gauge
6-1/0 AWG (Cu), 4-1/0 AWG (Al)
Max Wire
1/0 AWG
Min Wire
6 AWG (Cu), 4 AWG (Al)
Available Options
Auxiliary Switch, Shunt Trip, Padlock Attachment
Accessories
Line and Load Lugs
Standards
CSA C22.2 No. 5, UL 489
Approval
CSA, HACR, UL
Temp Rating
10C to 50C
Construction Features
HACR Rated, Internal Common Trip, Quick-Make/Quick-Break, Visual Trip Indicator
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4.9
Rated 4.9 out of 5 stars
Based on 38 reviews
5
Rated out of 5 stars
35
Total 5 star reviews: 35
4
Rated out of 5 stars
3
Total 4 star reviews: 3
3
Rated out of 5 stars
0
Total 3 star reviews: 0
2
Rated out of 5 stars
0
Total 2 star reviews: 0
1
Rated out of 5 stars
0
Total 1 star reviews: 0
Reviews Summary
Generated by AI from 35 most recent customer reviews
Last updated 8/15/25
Customers say these electrical breakers are exactly what they needed, particularly for hard-to-find models. Many reviews mention quick delivery and proper packaging. The products consistently fit their intended applications, from generators to furnaces. Frequent comments address the accurate product descriptions that helped ensure correct ordering. Users note the items arrive in new condition and well-protected. Common feedback includes appreciation for product availability, especially for older or uncommon models.
ABB / General Electric THQC2130 - 30A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 4 out of 5 stars
2/10/26
Fast Shipping & Quality Service
Great experience with SuperBreakers! The GE THQL 60A and 30A breakers arrived with fast shipping and professional packaging. The free shipping was a huge bonus. My HVAC is back up and running—excellent service!
BC
Bill C.
Verified Buyer
Reviewing
ABB / General Electric THQC2160WL - 60A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
1/31/26
The right part and on time delivery
So happy they had a circuit breaker for my 34 year old furnace. Would have had to pay $1,000 to hire a local HVAC company. Only cost me about $50.
Thank you
CH
Chad H.
Verified Buyer
Reviewing
ABB / General Electric THQC2150WL - 50A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/29/25
GREAT SERVICE
I needed this breaker to fix a generator repair , the 2 local electrical stores where I live were not able to produce it. So I went online and found this site Superbreakers told them what I needed and it arrived the next day, absolutely awesome!!!!
JR
Justin R.
Reviewing
ABB / General Electric THQC2150WL - 50A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/24/23
50A feed thru breakers
Breakers came exactly as described. Fast shipping and great value. Will use them in the future
JT
Jeff T.
Reviewing
ABB / General Electric THQC21100WL - 100A 2 Pole Molded Case Circuit Breaker