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The Phoenix Contact 1020022 is a thermal magnetic miniature circuit breaker (MCB) with an 8A current rating and a 3-pole configuration. It is designed for mounting on a 35 mm NS35 rail, making it suitable for industrial control systems and power supplies.
This circuit breaker provides branch overload and short-circuit protection. The TMC 8... series, to which this part belongs, is UL 489 Listed, offering an interrupt capacity of 10 kAIC at up to 277/480 V AC and 125 V DC. The TMC 7... series, also mentioned, is UL 1077 Recognized for supplemental protection, with short-circuit current ratings ranging from 5 kAIC to 7.5 kAIC depending on the supply voltage.
Key features include a trip-free, snap-action mechanism that cannot be manually overridden during an overload situation, visual status indication, and compatibility with a full range of busbars and accessories. The circuit breaker is available with B, C, and D trip curve options. Both product lines carry the CE mark.
Typical applications for the TMC 7/8... series include protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers and peripheral equipment, industrial process control systems, telecommunications equipment, and power supplies.
| 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 8A.
It has 3 poles.
It is a thermal magnetic circuit breaker.
The voltage rating is 277V.
It is designed for DIN rail mounting.
The interrupt capacity is 10 kAIC at up to 277/480 V AC and 125 V DC.
The available trip curve options are B, C, and D.