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This Siemens 3VA5150-4ED11-1AA0 is a 1-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a UL frame size of 125A and a rated operational current of 50A at 40°C, with derating at higher temperatures up to 70°C.
The circuit breaker offers a breaking capacity of 25kA at 277V and is compliant with UL 489 standards, including specific naval applications (SB). It includes overload protection with an Ir setting of 50A and fixed short-circuit protection with an Ii setting of 10 x In. The overcurrent release type is TM210 with LI protection function.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It has a compact design with dimensions of 140mm height, 25.4mm width, and 76.5mm depth, suitable for DIN rail mounting. The IP40 protection class on the front ensures protection against solid objects.
This model is also designated as HACR Type and is suitable for heating, air conditioning, and refrigeration applications. It does not feature communication or measurement functions, nor ground-fault monitoring.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 50A at 40°C, derating to 46.4A at 70°C. The frame size is 125A.
The breaking capacity is 25kA at 277V.
This is a 1-pole circuit breaker.
It is designed for DIN rail mounting.
The IP rating on the front is IP40.
The minimum operating temperature is -25°C.
Yes, it is designed as a Heating, Air Conditioning, and Refrigeration circuit breaker (HACR Type).