Square D KC34200G Molded Case Circuit Breaker
- 200A
- 3 Pole
- I-Line
Quantity
Square D KC34200G - 200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Rated for 65kAIC at 480VAC, this specialized K-Frame breaker incorporates a factory-installed ground fault shunt trip for advanced electrical safety. The device connects into Square D I-Line switchboards, providing reliable power distribution for heavy commercial facilities. By combining thermal-magnetic LI protection with ground fault integration, it meets strict industrial requirements. When replacing this model with the JJA36200, technicians must verify ground fault system compatibility.Specifications
| Brand | Square D |
|---|---|
| Part Number | KC34200G |
| Series | KC |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | KC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 4 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included, Ground Fault Shunt Trip (Factory Installed) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Extra High Interrupting Capacity |
Product FAQs
8 answersWhat panelboards are compatible with the KC34200G?
The KC34200G is designed exclusively for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection that mounts directly onto the panel's bus stack.
Can I use the KC34200G in a standard QO or NQ load center?
No. The KC34200G features an I-Line plug-on connection and is only compatible with Square D I-Line panelboards and switchboards. It will not fit in QO, NQ, or NF series panels.
What does the G suffix in the KC34200G catalog number indicate?
The G suffix indicates that this breaker includes a factory-installed ground fault shunt trip accessory. This allows the breaker to be tripped remotely by a ground fault relay for advanced electrical safety.
What is the interrupting capacity (AIC) of the KC34200G?
As an extra-high interrupting K-Frame breaker, the KC34200G is rated for 100kA at 240VAC, 65kA at 480VAC, and 10kA at 250VDC.
Is the KC34200G rated for DC applications?
Yes, in addition to its AC ratings, the KC34200G is rated for 250VDC applications with an interrupting capacity of 10kA.
What wire sizes and materials are accepted by the KC34200G lugs?
The standard lugs on this breaker accept wire sizes from 4 AWG up to 350 kcmil. They are dual-rated for both aluminum (Al) and copper (Cu) conductors.
Are the trip settings adjustable on the KC34200G?
Yes, partially. The KC34200G features a thermal-magnetic trip unit with a fixed thermal (long-time) setting of 200A and an adjustable magnetic (instantaneous) trip setting to customize short-circuit protection.
What frame size is the KC34200G?
This breaker belongs to the Square D K-Frame family, which has a maximum frame capacity of 250A. This specific model is configured with a 200A trip unit.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- TDTammy D.Verified BuyerReviewingSquare D KC34200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/9/26Breakers
great service!! I had bought 3 different breakers & there was one that i had to return. I called as soon as i realized it was wrong.( my fault) I had my return RMA in about 5 minutes of the phone call. Highly recommend!!