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The Schurter 4420.0272 is a thermal-magnetic circuit breaker for equipment, featuring a 2-pole configuration and manual ON/OFF actuation. It is designed for DIN rail mounting, making it suitable for industrial appliances and control panels.
This circuit breaker offers a rated voltage of 480V AC (UL/CSA) and 65V DC, with a current rating of 8A. It boasts a high short-circuit performance with an Icn of 5 kA at AC 480V (no fuse) and 2 kA at DC 65V (no fuse).
The device operates within an ambient temperature range of -10°C to 55°C and has a lifetime of 6000 switching cycles at 1x Ir. It meets various approval standards including CSA and UL, ensuring compliance for diverse applications.
Key specifications include a degree of protection from the front side of IP40 and a permissible wire cross-section of 1.5 - 25 mm² (16 - 4 AWG). The breaker also features a positively trip-free mechanism and a switched neutral function.
| 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 420V AC IEC / 240V AC IEC (50/60 Hz), 480V AC UL/CSA / 277V AC UL/CSA (50/60 Hz), and 65V DC.
The current rating is 8A.
It is designed for DIN rail mounting.
The ambient temperature range is -10°C to 55°C.
The conditional short circuit capacity is 5 kA at AC 420V / DC 65V (IEC 60934), 5 kA at AC 480V (UL 1077, no fuse), 2 kA at DC 65V (UL 1077, no fuse), and 5 kA at AC 480V (UL 508, no fuse).