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This Siemens 3VA5125-1MH36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It features a rated operational current of 25A across a wide temperature range and a high insulation voltage of 800V, with an operating voltage of 690V AC.
The circuit breaker provides robust short-circuit protection with a maximum breaking capacity (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable short-circuit protection (Ii) can be set between 5 to 12 times the rated current.
Designed for reliable mechanical and electrical endurance, it has a typical mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V. The unit is built for DIN rail mounting and has a degree of protection of IP40.
Key electrical specifications include a maximum power loss of 2.1W and an active power loss of 0.7W per pole. It is also designated as HACR Type according to UL 489.
| 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 at AC is 690 V.
The operational current is 25 A at temperatures ranging from 40°C to 70°C.
The breaking capacity (Icu) at 415 V is 70 kA, and the operating short-circuit current (Ics) at 415 V is also 70 kA.
The setting current (Ii) for I-tripping is adjustable from 5 to 12 times the rated current (In).
This circuit breaker has 3 poles.
This circuit breaker is designed for DIN rail mounting.