3VA5112-4EC32-1AA0
Siemens
The Siemens 3VA5112-4EC32-1AA0 is a 3-pole molded-case circuit breaker rated for 125A and a breaking capacity of 25kA at 480V. It is designed for system protection.
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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5112-4EC32-0AA0, is designed for line protection and system applications. It features a 3-pole configuration with a rated operational current of 125A at 40°C, derating to 109A at 70°C. The breaker has a rated insulation voltage (Ui) of 800V and an operating voltage of 690V AC.
With a breaking capacity of 25kA at 480V according to UL 489 standards, and 36kA at 415V according to IEC 60947, this circuit breaker ensures reliable protection against short circuits. It utilizes the TM230 overcurrent release with LI protection function. The mechanical service life is rated for a typical 20,000 switching cycles.
Designed for DIN rail mounting, this circuit breaker has dimensions of 140mm in height, 76.2mm in width, and 76.5mm in depth. It is suitable for HACR Type applications as per UL 489.
Key electrical specifications include a maximum power loss of 30.1W and an active power loss per pole of 10.03W at rated current. The breaker also offers adjustable short-circuit protection parameters, with a minimum adjustable response current of 125A.
| 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 125A at 40°C.
The operating voltage at AC is rated for 690 V.
The breaking capacity current at 480V is 25 kA.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.
