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This Siemens 3VA5270-5EF36-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates at a rated voltage of 690V AC and has a maximum operational voltage of 750V DC. The breaker is equipped with a TM240 overcurrent release with LI protection function, offering adjustable current settings from 49A to 70A.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of 8,000 cycles at 480V and 415V, this circuit breaker is built for durability. It offers a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947 standards. The unit is designed for DIN rail mounting and features a lever actuator.
Key electrical specifications include a maximum power loss of 17W and an active power loss of 5.7W per pole. The operational current is rated at 70A at 40°C, derating to 61.6A at 70°C. This circuit breaker is also designated as HACR Type, suitable for Heating, Air Conditioning, and Refrigeration applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 70A at 40°C, derating to 61.6A at 70°C.
The operating voltage is 690V AC, with a maximum operational voltage of 750V DC.
The breaking capacity according to UL 489 is 35kA at 480V.
This circuit breaker is designed for DIN rail mounting.
It uses a TM240 overcurrent release with LI protection function.
Yes, it is designed as a Heating, Air Conditioning, and Refrigeration (HACR) Type circuit breaker.