Digital guide
You are here:
GE TJD422300WLFA
Product Name: GE TJD-Frame Molded Case Circuit Breaker (Q-Line)
Product Introduction: The TJD422300WLFA is a 300 A, 2-pole, 240 VAC molded case circuit breaker from GE’s TJD frame, Q-Line series, providing feed-thru protection with line and load side lugs.
Technical Specifications:
- Manufacturer: General Electric
Detailed content
- Series: Q-Line
- Frame Type: TJD
- Poles: 2
- Current Rating: 300 A
- Voltage Rating: 240 VAC
- Interrupting Capacity (AIC): 22 kA @ 240 V
- Trip Functions: LI (Long-Time and Instantaneous)
- Trip Unit: Thermal-magnetic, non-interchangeable
- Connection: Feed-thru with line & load side lug terminals
- Type: Molded case breaker
Functional Features:
- Thermal-magnetic trip provides both long-time overload and instantaneous short-circuit protection
- Feed-thru lug design allows wiring on both line and load sides
- Non-interchangeable trip unit for fixed protection coordination
Application Scenarios: Branch circuit and feeder protection in industrial and commercial distribution panels; suitable for use with GE panelboards.
Installation Requirements:
- Mount in a compatible Q-Line panelboard enclosure
- Apply proper torque to line and load side lug terminals
- Verify conductor ampacity matches the 300 A rating
Usage Precautions:
- Ensure the 22 kA AIC rating is adequate for the available fault current at the installation point
- Perform periodic infrared scanning of terminals to detect loose connections
- Replace if mechanical operation becomes sluggish or contacts show signs of degradation
