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This Siemens 3VA5125-4ED36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 UL frame series, designed for system protection applications. It features a TM210 thermal-magnetic trip unit with fixed overload (Ir=25A) and short-circuit (Ii=12xIn) protection.
Key electrical specifications include a rated insulation voltage of 800V, a maximum operational voltage of 500V DC, and an operating voltage of 690V AC. The breaker has a breaking capacity of 25kA at 480V according to UL 489 and 55kA at 240V according to IEC 60947. It is rated for 25A operational current at 40°C, with derating at higher temperatures.
The mechanical design includes dimensions of 76.2mm width, 76.5mm depth, and 140mm height. It is designed for DIN rail mounting and features front-side connections. The breaker has a mechanical service life of 20,000 switching cycles and electrical endurance ratings suitable for various AC voltage levels.
This circuit breaker is suitable for HACR and HID type applications according to UL 489. It has an IP40 degree of protection and is built-in device type.
| 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 is 690 V AC.
The breaking capacity at 480V according to UL 489 is 25 kA.
The operational current rating at 40°C is 25 A.
It uses DIN Rail mounting.
The degree of protection is IP40.