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This Siemens 3VA5180-4EC32-0AA0 is a 3-pole molded-case circuit breaker from the 3VA51 series, designed for system protection applications. It features a rated operational current of 80A at 40°C and a rated insulation voltage of 800V.
The circuit breaker has a breaking capacity of 25kA at 480V according to UL 489 standards and 55kA at 240V according to IEC 60947 standards. It utilizes a TM230 trip unit with LI protection function, offering overload protection with Ir=80A and fixed short-circuit protection with Ii adjustable from 5 to 10 times In.
With a mechanical service life of 20,000 switching cycles, this breaker is built for durability. It is designed for DIN rail mounting and has dimensions of 140mm height, 76.2mm width, and 76.5mm depth. The unit has an IP40 degree of protection.
Key electrical specifications include a maximum operational voltage of 690V AC and 500V DC. The power loss is a maximum of 19.3W, with an active power loss per pole of 6.43W at rated current in hot operating state.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 80A at 40°C.
The rated insulation voltage is 800V, with a maximum rated operational voltage of 500V DC and an operating voltage of 690V AC.
According to UL 489, the breaking capacity is 25kA at 480V. According to IEC 60947, the breaking capacity (Icu) is 55kA at 240V, 36kA at 415V, and 5kA at 690V.
This circuit breaker is designed for DIN rail mounting.
It features a TM230 trip unit with LI protection function for overload and fixed short-circuit protection.