Description
GE TKMA3Y1200XL
Technical Specifications
- Manufacturer: General Electric (GE)
- Product Type: Circuit Breaker / Switchgear Component
- Voltage Rating: 1200V class
- Series: GE TKM Series
Functional Features
- Overcurrent Protection: Thermal-magnetic or electronic trip protection.
- Circuit Isolation: Safe disconnect for maintenance.
- High Interrupting Capacity: Rated for high fault current interruption.
Application Scenarios
- Power Distribution: Main and feeder protection in switchgear.
- Industrial Power: Motor and transformer protection.
Performance Parameters
- Interrupting Rating: High ampere interrupting capacity (AIC).
- Trip Accuracy: Precise trip characteristics.
Material Composition
Robust metal or thermoplastic enclosure with silver-alloy contacts and arc chutes.
Structural Characteristics
- Form Factor: Drawout or fixed-mount circuit breaker.
- Operation: Manual or motorized operation.
Working Principle
Monitors current flow; when fault current exceeds threshold, the trip mechanism opens contacts to interrupt the circuit and extinguish the arc.
Installation Requirements
- Install in compatible switchgear or panelboard.
- Follow proper torque and clearance specifications.
Usage Precautions
- Never exceed voltage or current ratings.
- Perform regular maintenance and testing per NFPA 70B.




