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The Siemens 3VA5110-5EC31-1AA0 is a molded-case circuit breaker from the SENTRON series, designed for system protection. This 3-pole breaker has a rated current of 100A and a maximum breaking capacity of 35kA at 480V.
Key electrical specifications include a voltage rating of 690V, overload protection set at Ir=100A, and adjustable short-circuit protection (Ii=5...10 x In). The overcurrent release type is TM230 with LI protection function. It features a maximum power loss of 22.8W and an active power loss of 7.6W per pole.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 480V, this circuit breaker is built for durability. Its dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. The protection class on the front is IP40, and it operates within an ambient temperature range of -25°C to 70°C.
This circuit breaker is suitable for HACR type applications and is UL 489 listed. It is designed for DIN rail mounting and comes without a connection for the main current circuit.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current (Iu) is 100A.
The breaking capacity at 480V is 35kA.
This circuit breaker has 3 poles.
It uses a TM230 overcurrent release with LI protection.
The mounting type is DIN Rail.
The protection class on the front is IP40.
The minimum operating temperature is -25°C.