ABB / General ElectricTKMA836800WL
ABB / General Electric TKMA836800 Molded Case Circuit Breaker
- 800A
- 3 Pole
- Bolt-On
ABB / General Electric
TKMA836800
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TKMA836800
Quantity
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ABB / General Electric TKMA836800 - 800A 3 Pole Molded Case Circuit Breaker
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Description
Built to handle demanding commercial loads, this 800-amp MCCB delivers reliable thermal-magnetic protection for three-phase systems. It integrates into existing GE A-Series panelboards and motor control centers via a sturdy bolt-on connection. When planning lifecycle replacements, facility managers can substitute this unit with the newer Tmax XT6 series using an approved retrofit adapter. Featuring a 42kAIC rating at 240V, it provides flexible coordination for complex networks.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TKMA836800-R |
| Series | TKMA |
| Amperage | 800A |
| 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 A-Series Panelboards, GE 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 Lugs (TCAL81) |
| Standards | UL 489, NEMA AB-1, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit, Reverse Feed |
Product FAQs
4 answersWhat enclosures and panelboards are compatible with the TKMA836800?
This K-frame molded case circuit breaker is designed for installation in GE A-Series panelboards, GE switchboards, and compatible motor control centers.
What are the wire size requirements for the TKMA836800 lugs?
The standard terminal lugs accommodate three 3/0 AWG to 500 kcmil copper or aluminum conductors per phase.
How does the trip unit adjustability work on the TKMA836800?
This breaker utilizes a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Is the TKMA836800 manufactured by GE or ABB?
ABB acquired GE Industrial Solutions, meaning legacy GE K-frame breakers like the TKMA836800 are now produced and distributed under the ABB brand while maintaining identical form, fit, and function.
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