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The Phoenix Contact 1019951 is a thermal magnetic miniature circuit breaker (MCB) with a 1A current rating and a 3-pole configuration. It is designed for DIN rail mounting, providing convenient installation in control panels and electrical enclosures.
This circuit breaker operates at a voltage rating of 277V and features a lever actuator. The TMC 8... series, to which this part likely belongs, is UL 489 Listed, offering branch overload and short-circuit protection with an interrupt capacity of 10 kAIC. The TMC 7... series is UL 1077 Recognized for supplemental protection.
Typical applications for these circuit breakers include protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, peripheral equipment, industrial process control systems, telecommunications equipment, and power supplies. The unit provides visual status indication and features a trip-free, snap-action mechanism that cannot be manually overridden during an overload situation.
Accessories such as auxiliary contacts, alarm contacts, shunt trips, and busbars are available for expanded functionality. The TMC 7... and TMC 8... product lines carry the CE mark.
| 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 1A.
The voltage rating is 277V.
It has 3 poles.
It is a Thermal Magnetic breaker.
It is mounted on a DIN Rail.
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.