ABB / General ElectricTHKMA836600
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ABB / General Electric THKMA836800 Molded Case Circuit Breaker
- 800A
- 3 Pole
- Bolt-On
ABB / General Electric
THKMA836800
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
THKMA836800
Quantity
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ABB / General Electric THKMA836800 - 800A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the GE THKMA836800 delivers 800 amps of reliable circuit protection. It utilizes an interchangeable thermal-magnetic trip unit. Designed for bolt-on connections, this breaker integrates into GE A-Series panelboards. It replaces discontinued TKMA836800 breakers to maintain system uptime. With an interrupting capacity of 35kA at 480VAC, it handles significant fault currents. The unit is HACR rated and accepts field-installable accessories.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THKMA836800-R |
| Series | THKMA |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 40kA @ 250VDC, 22kA @ 500VDC |
| Frame Type | THKMA |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (3) 3/0 AWG - 500 kcmil (Cu/Al) |
| 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, Lug Kits |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Product FAQs
6 answersWhich distribution equipment accepts the THKMA836800?
This K-frame breaker mounts directly into GE A-Series panelboards, switchboards, and motor control centers that accommodate bolt-on K1200 line breakers.
What are the lug wire size requirements for the THKMA836800?
The included line and load lugs accept three 3/0 AWG to 500 kcmil copper or aluminum conductors per phase.
How does the LI trip function operate on this breaker?
The thermal magnetic trip unit provides fixed thermal protection for long time overloads (L) and features an adjustable magnetic dial to set the instantaneous (I) short circuit trip threshold.
Is the THKMA836800 suitable for reverse feeding?
No. GE K-frame breakers with interchangeable trip units, including the THKMA series, are not suitable for reverse feed applications.
What is the difference between GE TKMA and THKMA breakers?
The THKMA series features a higher interrupting capacity of 35kA at 480VAC, whereas the standard TKMA series is rated for 30kA at 480VAC. Both share the same K-frame dimensions and mounting.
Why is this breaker listed under both ABB and General Electric?
Following ABB's acquisition of GE Industrial Solutions, legacy GE breakers like the K-frame series are transitioning to ABB branding. The physical dimensions, mounting, and performance specifications remain identical regardless of the logo on the label.
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