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This Altech Corporation 1BU4R circuit breaker is a supplementary protector designed for various applications, including sensitive electronics, power supplies, and appliance circuits. It is a 1-pole, thermal magnetic type with a current rating of 4A and a voltage rating of 480V AC.
The breaker mounts on a standard DIN rail and has a width of 17.5mm per pole. It offers a short circuit withstand rating of 10kA and an interrupting capacity of 10kA (IEC/EN60898/60947-2). The operating temperature range is -25°C to 60°C, with a storage temperature range of -25°C to 75°C. Electrical life is rated for 6,000 cycles, and mechanical life for 10,000 cycles.
Key specifications include a calibration temperature of 30°C, terminal size acceptability for 14-3 AWG wire with a torque of 17.5 lb-in (2.0 Nm) and for 18-16 AWG wire with a torque of 25 lb-in (2.8 Nm). The terminal protection degree is IP20 at the front. It is designed for copper wire connections (60/75°C) and exhibits 3g vibration resistance (18-50Hz). The mounting orientation can be in any plane.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Altech Corporation 1BU4R circuit breaker has a voltage rating of 480V AC and a DC voltage rating of 48VDC.
The 1BU4R circuit breaker has a current rating of 4A.
The 1BU4R circuit breaker has an interrupting capacity of 10kA.
The Altech Corporation 1BU4R circuit breaker is designed for DIN rail mounting.
The operating temperature range for the 1BU4R circuit breaker is -25°C to 60°C.