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This Siemens 3VA5112-4ED11-1AA0 is a 1-pole molded-case circuit breaker designed for system protection. It features a UL frame size of 125A and a breaking capacity of 25kA at 277V, with a fixed short-circuit protection setting (Ii) of 1250A.
The circuit breaker operates with a TM210 overcurrent release and provides LI protection function. It has a rated current (In) of 125A and maintains operational current ratings up to 50°C, with reduced ratings at higher temperatures. The device is built for mechanical endurance with a typical service life of 15,000 switching cycles.
With a height of 140mm, width of 25.4mm, and depth of 76.5mm, this circuit breaker is suitable for DIN rail mounting. It offers an IP40 protection class on the front and operates within an ambient temperature range of -25°C to 70°C. The unit is also compliant with HACR Type requirements and UL 489 SB (naval) standards.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The breaking capacity is 25kA at 277V.
The rated current (In) is 125A.
This circuit breaker has 1 pole.
The operating temperature range is from -25°C minimum.
The IP rating on the front is IP40.
The typical mechanical service life is 15,000 switching cycles.
Yes, it is HACR Type compliant.