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The Siemens 3VA5212-5ED32-1AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates at a rated voltage of 690V AC and has a nominal current rating of 125A at 40°C, with derated values at higher temperatures.
This circuit breaker features a breaking capacity of 35kA at 480V, 85kA at 240V, and 18kA at 600V, conforming to UL489 standards. It includes overload protection with Ir=125A and fixed short-circuit protection with Ii=10 x In. The overcurrent release type is TM210 with LI protection function.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this breaker is built for durability. It has a maximum power loss of 23W and an active power loss of 7.53W per pole at rated current in hot operating state.
The unit is designed for DIN rail mounting and features front connections with nut keeper kits. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth, with a net weight of 2.192 kg. The breaker is HACR Type compliant.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage for this circuit breaker is 690 V AC.
The operational current at 40°C is 125 A.
The breaking capacity at 480V is 35 kA.
This circuit breaker has 3 poles.
It uses the TM210 overcurrent release with LI protection function.
The typical mechanical service life is 20,000 switching cycles.
The dimensions are 185 mm in height, 105 mm in width, and 83 mm in depth.