ABB / General ElectricTKMA836600WL
ABB / General Electric TKMA836600 Molded Case Circuit Breaker
- 600A
- 3 Pole
- Bolt-On
ABB / General Electric
TKMA836600
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TKMA836600
Quantity
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ABB / General Electric TKMA836600 - 600A 3 Pole Molded Case Circuit Breaker
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ABB / General ElectricTHKMA836600WL
600A 3 Pole Molded Case Circuit Breaker
ABB / General ElectricTHKMA836600
600A 3 Pole Molded Case Circuit Breaker
Description
Built for heavy-duty industrial applications, the GE TKMA836600 delivers 600 amps of thermal-magnetic protection in a 3-pole configuration. This K-Frame breaker is designed for bolt-on installation within GE A-Series panelboards, switchboards, and motor control centers. It provides long-time and instantaneous (LI) trip functions with an interchangeable trip unit. Delivering a 30 kAIC interrupting rating at 480VAC, it serves as a robust solution for legacy GE power systems.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TKMA836600-R |
| Series | TKMA |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | TKMA |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, GE Switchboards, Motor Control Centers |
| 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, Alarm Switch, Motor Operator, Lug Kits |
|---|---|
| Accessories | Load Lugs (TCAL81) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit, HACR Rated |
Product FAQs
6 answersWhat panelboards are compatible with the TKMA836600 circuit breaker?
This 600A K-frame breaker is designed for installation in GE A-Series panelboards, GE switchboards, and motor control centers that accept bolt-on connections.
What wire sizes do the standard lugs on the TKMA836600 accept?
The factory lugs accommodate three conductors per phase, with a wire range of 3/0 AWG to 500 kcmil for both aluminum and copper conductors.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the breaker provides Long-Time (L) and Instantaneous (I) protection. The Long-Time function protects against sustained overloads, while the Instantaneous function trips the breaker immediately during a severe short circuit.
How does the adjustable magnetic trip work on the TKMA836600?
This breaker features a thermal-magnetic trip unit with a fixed thermal element for overload protection and an adjustable magnetic element. This allows you to tune the instantaneous short-circuit pickup threshold to coordinate with other protective devices in your electrical system.
What is the difference between the GE TKMA836600 and THKMA836600?
The main difference is their short-circuit interrupting capacity. The TKMA836600 is rated for 30kA at 480VAC, while the THKMA836600 is a higher-interrupting version rated for 35kA at 480VAC. Both share the same physical K-frame dimensions and bolt-on mounting.
Why might this breaker have ABB branding instead of General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the production date, legacy K-frame breakers like the TKMA836600 may carry either GE or ABB branding. They are identical in form, fit, and function.
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