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This Siemens 3VA52 molded-case circuit breaker, part number 3VA5212-7EC36-0AA0, is engineered for robust system protection. It features a 3-pole configuration and a nominal current rating of 125A, with operational current varying based on ambient temperature.
The breaker boasts a high breaking capacity, rated at 100kA at 480V according to UL 489 standards, and 110kA at 415V according to IEC 60947. It operates at a rated voltage of 690V AC and has a maximum DC operational voltage of 750V. The overcurrent release type is TM230 with an LI protection function.
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of 20,000 switching cycles. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth. The unit is HACR Type compliant.
General technical data includes a maximum power loss of 23W and an active power loss per pole of 7.53W. Electrical endurance ratings vary by voltage and AC-1 conditions, with 8,000 cycles at 380/415V and 4,000 cycles at 690V.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational voltage for this circuit breaker at AC is 690 V.
The breaking capacity according to UL 489 at 480 V is 100 kA.
The operational current at 40°C is 125 A.
This circuit breaker has 3 poles.
This circuit breaker supports DIN Rail mounting.
The typical mechanical service life is 20,000 switching cycles.
Yes, this circuit breaker is HACR Type compliant.