Allen-Bradley 1489-A3C040 Circuit Breaker Series A
The Allen-Bradley 1489-A3C040 is a high-quality miniature circuit breaker (MCB) designed for reliable protection of electrical circuits against overloads and short circuits. Built to meet IEC 60947-2 and UL 489 standards, this 3-pole breaker provides dependable performance for industrial control panels, distribution boards, and automation systems. It features a C-curve tripping characteristic for optimal operation in mixed load environments.
Manufacturer: Allen-Bradley
Type: Circuit Breaker Series A
Model: 1489-A3C040
Technical Information
- Trip Curve: C
- Max. Rated Voltage (UL/CSA): 480Y/277 V AC
- EN/IEC Maximum Voltage: 415 V AC
- Continuous Current Rating (In): 4 A
- Service Breaking Capacity (Ics): 7.5 kA
- Breaking Capacity (Icu): 15 kA
- Frequency: 50/60 Hz
- Operating Temperature: 60 / 75 °C
- Impulse Withstand Voltage (Uimp): 4 kV
- No. of Poles: 3
- Standard Compliance: IEC 60947-2 / UL 489
- Terminal Torque:
- 18 “ 12 AWG : 21 lb·in
- 10 “ 8 AWG : 25 lb·in
- 6 AWG : 36 lb·in












