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The Altech Corporation 3CU05R is a 3-pole supplementary protector designed for thermal magnetic circuit breaking applications. It operates at 480Y/277VAC with a current rating of 500mA.
Key electrical specifications include a 10kA short circuit withstand rating (UL) and a 10kA interrupting capacity (IEC/EN). The breaker is designed for DIN rail mounting and features a lever actuator. It is suitable for use with copper wire connections (60/75°C) and has a terminal size acceptability of 14-3 AWG with a torque rating of 17.5 lb-in (2.0 Nm) and 18-16 AWG with 25 lb-in (2.8 Nm).
Environmental and operational parameters include an operating temperature range of -25°C to 60°C and a storage temperature range of -25°C to 75°C. The electrical life is rated for 6,000 cycles, and the mechanical life for 10,000 cycles. The terminal protection degree is IP20 at the front.
This circuit breaker is UL1077 recognized and is suitable for applications involving sensitive electronics, power supplies, and appliance circuits, typically on the load side of branch circuit protection.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Altech 3CU05R circuit breaker has a voltage rating of 480Y/277VAC and a self-certified DC voltage rating of 48VDC.
The current rating of the 3CU05R circuit breaker is 500mA.
The 3CU05R circuit breaker has 3 poles.
The Altech 3CU05R is a thermal magnetic circuit breaker.
The 3CU05R circuit breaker is designed for DIN rail mounting.
The 3CU05R has a short circuit withstand rating of 10kA.
The operating temperature range for the 3CU05R is -25°C to 60°C.