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This Siemens 3VA5111-5EC32-0AA0 is a 3-pole molded-case circuit breaker from the 3VA51 series, designed for system protection. It operates with a rated insulation voltage of 800V and a maximum operational voltage of 690V AC. The breaker has a nominal operational current of 110A at 40°C, with derated values at higher temperatures.
Key electrical specifications include a maximum breaking capacity of 85 kA at 240V and 55 kA at 415V according to IEC 60947 standards. Under UL 489, the breaking capacity is 35 kA at 480V and 18 kA at 600Y/347V. The overcurrent release is a TM230 type with LI protection function, featuring a fixed overload setting (Ir=110A) and an adjustable short-circuit setting (Ii=5-10 x In).
Mechanically, the circuit breaker has a typical service life of 20,000 switching cycles. Its dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth. It is designed for DIN rail mounting and includes a nut keeper kit on both sides for secure installation. The breaker is approved by CCC and UL489.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 690 V AC.
The operational current rating is 110 A at 40°C.
The breaking capacity according to UL 489 is 35 kA at 480 V.
This circuit breaker has 3 poles.
It is designed for DIN Rail mounting.