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The Schurter 4420.0166 is a thermal-magnetic circuit breaker designed for manual motor control and equipment protection. It offers high short-circuit performance and is available in AC and DC versions within the same frame size.
Key electrical specifications include a rated current of 27A and a rated AC voltage of 277V, with a DC voltage rating of 65V. The breaker is designed for DIN rail mounting and features a lever actuator. It has a conditional short circuit capacity of 5 kA at AC 277V (no fuse).
This circuit breaker is suitable for applications such as industrial appliances. It meets various approval standards including CSA C22.2 No 14, EN 60934, and UL508. The ingress protection from the front side is IP40.
Environmental and mechanical specifications include an operating temperature range of -20 °C to 60 °C and a lifetime of 6000 switching cycles at 1x Ir. The permissible wire cross-section is between 1.5 to 25 mm² (16 to 4 AWG).
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current for the Schurter 4420.0166 circuit breaker is 27A.
The AC voltage rating is 277V.
The DC voltage rating is 65V.
This circuit breaker is designed for DIN rail mounting.
The operating temperature range is -20 °C to 60 °C.
The RoHS status is RoHS3 Compliant.