ABB / General ElectricTHKMA31000WL
ABB / General Electric TKMA31000WL Molded Case Circuit Breaker
- 1000A
- 3 Pole
- Unit Mount
ABB / General Electric
TKMA31000WL
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TKMA31000WL
Quantity
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ABB / General Electric TKMA31000WL - 1000A 3 Pole Molded Case Circuit Breaker
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Description
Designed for versatile power management, the GE TKMA31000WL is a 1000A, 3-pole molded case circuit breaker. It is engineered for commercial and industrial applications requiring robust overcurrent protection. This unit-mount breaker installs into GE switchboards, CCB panelboards, and motor control centers. It comes standard with both line and load lugs for immediate termination. The device features an interchangeable trip unit, reverse feed capability, and a 30kAIC rating at 480VAC.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TKMA |
| Amperage | 1000A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | TKM |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Switchboards, Motor Control Centers, GE CCB Panelboards, GE AV1 Panelboards |
| Wire Gauge | (4) 250-500 kcmil (Al) or (4) 250-350 kcmil (Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch, Motor Operator |
|---|---|
| Accessories | Line and Load Lugs Included |
| 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, Reverse Feed |
Product FAQs
6 answersWhat types of enclosures and panels are compatible with the TKMA31000WL?
This unit-mount breaker is designed for installation in GE Switchboards, Motor Control Centers, GE CCB Panelboards, and GE AV1 Panelboards.
What wire sizes are accepted by the lugs on the TKMA31000WL?
The included lugs accept four 250-500 kcmil aluminum conductors or four 250-350 kcmil copper conductors per phase.
Is the TKMA31000WL manufactured by ABB or General Electric?
The TKMA31000WL is a legacy General Electric K-frame circuit breaker. Following ABB's acquisition of GE Industrial Solutions, this product line is now managed under the ABB brand. You may receive units with either GE or ABB labeling depending on the production date.
What does the WL suffix mean in the TKMA31000WL catalog number?
The WL suffix indicates that the breaker comes factory-equipped with both line and load side aluminum/copper lugs for immediate wire termination.
How does the thermal-magnetic trip unit function on the TKMA31000WL?
It features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection, allowing coordination with downstream devices or motor inrush currents.
Does the TKMA31000WL support field-installable accessories?
Yes, this K-frame breaker supports field-installable internal accessories including shunt trips, undervoltage release mechanisms, and auxiliary switches.
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