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The Schurter Inc. 4420.0554 is a thermal-magnetic circuit breaker designed for equipment protection. This 2-pole device features a 25A current rating and a voltage rating of 480V AC (UL/CSA) or 420V AC (IEC).
With a high short circuit performance, this circuit breaker is suitable for industrial appliances. It is designed for DIN-rail mounting, facilitating easy integration into control panels and systems. The breaker operates manually with an ON/OFF lever and features a positively trip-free mechanism.
Key electrical specifications include a rated DC voltage of 65V and conditional short circuit capacities of 5 kA (IEC) and 5 kA (UL) at their respective rated voltages. The device offers a degree of protection from the front side of IP40 and has a lifetime of 6000 switching cycles at 1x Ir.
Environmental and mechanical specifications include an operating ambient temperature range of -10°C to 55°C and vibration resistance according to IEC 60068-2-6. Permissible wire cross-section ranges from 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 current rating is 25A.
The AC voltage rating is 480V (UL/CSA) and 420V (IEC). The DC voltage rating is 65V.
It is designed for DIN rail mounting.
It is a thermal-magnetic circuit breaker with 2 poles.
The ambient temperature range is -10°C to 55°C.
The conditional short circuit capacity is 5 kA according to IEC 60934 and UL 1077/UL 508 at their respective rated voltages.