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The Schurter Inc. 4420.0383 is a thermal-magnetic circuit breaker with a 2-pole configuration, suitable for industrial appliance applications. It offers a rated current of 10A and a voltage rating of 480V AC (UL/CSA) or 240V AC (IEC).
This circuit breaker boasts high short-circuit performance with a conditional short circuit capacity of 5 kA (IEC) and 10 kA (UL). It is designed for DIN-rail mounting and features a manual ON/OFF actuation type with a positively trip-free mechanism. The permissible wire cross-section ranges from 1.5 to 25 mm² (16 to 4 AWG).
Environmental specifications include an IP40 degree of protection from the front side and an operating temperature range of -10°C to 55°C. The device has a lifetime of 6000 switching cycles at 1x Ir and meets various approval standards including CSA, EN, GB, IEC, and UL.
Key technical data includes a dielectric strength of >2 kV at 50 Hz and an insulation resistance of >5 MΩ at 250/440 VAC. Vibration resistance is specified up to 10 G @ 60 - 500 Hz, and shock resistance is 30 G / 18 ms.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated voltage is 480V AC (UL/CSA) and 240V AC (IEC), with a DC rating of 65V.
The current rating is 10A.
This circuit breaker has 2 poles.
It supports DIN rail mounting.
The operating temperature range is -10°C to 55°C.
The conditional short circuit capacity is 5 kA at AC 420V / DC 65V (IEC) and 10 kA at AC 480V (UL).