ABB / General ElectricTKMA836500WL
ABB / General Electric TKM836500 Molded Case Circuit Breaker
- 500A
- 3 Pole
- Bolt-On
ABB / General Electric
TKM836500
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TKM836500
Quantity
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ABB / General Electric TKM836500 - 500A 3 Pole Molded Case Circuit Breaker
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ABB / General ElectricTHKMA836500WL
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500A 3 Pole Molded Case Circuit Breaker
Description
Built to fit GE switchboards and Type CCB panelboards, this 500-amp molded case breaker offers reliable power distribution. The bolt-on K-Frame unit utilizes proven thermal-magnetic trip technology with long-time and instantaneous functions. Rated for up to 600VAC and 250VDC, it achieves a 30kA interrupting capacity at 480V. As a legacy component, it is fully HACR rated and features an interchangeable trip unit, making it ideal for maintaining existing commercial infrastructure.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TKM836500 |
| Series | TKM |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE Switchboards, Motor Control Centers, Type CCB Panelboards |
| Wire Gauge | (3) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Lug Kits |
|---|---|
| Accessories | Includes TCAL81 Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Interchangeable Trip Unit, Reverse Feed |
Product FAQs
7 answersWhich GE enclosures are compatible with the TKM836500?
This bolt-on breaker is designed for use in GE switchboards, motor control centers, and Type CCB panelboards.
What wire sizes are accepted by the lugs on this breaker?
The terminals accept conductors ranging from 3/0 AWG to 500 kcmil and are rated for both aluminum and copper wire.
Is the TKM836500 suitable for direct current applications?
Yes, it is rated for DC systems up to 250VDC with an interrupting capacity of 20kA.
How is the trip unit configured on this breaker?
It features a thermal magnetic trip unit with a fixed thermal element for standard overload protection and an adjustable magnetic element to fine-tune short circuit response.
What type of protection do the LI trip functions provide?
The LI designation indicates the breaker provides Long-Time protection against sustained overloads and Instantaneous protection to quickly clear severe short circuits.
What does the TKM prefix indicate for this breaker?
The TKM prefix designates it as a standard interrupting capacity breaker within the legacy GE K-Frame family.
Can this breaker replace older GE K-Frame units?
Yes, the TKM836500 can directly replace older or failed 500A TKM breakers in existing GE switchboards and Type CCB panelboards, maintaining the same physical footprint and bolt-on mounting.
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