Description
TKMA31000WL Breakers by General Electric Circuit Breakers 1000A TKM 600V 3 Poles. Heavy duty industrial used in factories, Malls and heavy industry. Interchangeable trip, shunt trips, undervoltage release mechanisms and auxiliary switches. Specs: molded case, thermal magnetic, k frame, 240/480/600 VAC, 1000 ampere, 3 pole, interrupting rating 42 kiloampere at 240 VAC, 30 kiloampere at 480 VAC, 22 kiloampere at 600 VAC, terminal load lug, size 8 1/4 inch w x 5 1/2 inch d x 15 1/2 inch h, model, next model would be THKMA for higher interrupting ratings.
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 |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Poles | 3 |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 20kA @ 250VDC |
| Mounting Style | Unit Mount |
| Terminal Type | Lugs |
| For Use With | GE Switchboards, Motor Control Centers, GE CCB Panelboards, GE AV1 Panelboards |
| Trip Technology | Thermal Magnetic |
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Wire Gauge | (4) 250-500 kcmil (Al) or (4) 250-350 kcmil (Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| 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 |




