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This Siemens 3VA5181-1MU32-0AA0 is a 3-pole molded-case circuit breaker designed for starter protection applications. It has an operational current rating of 1A across a temperature range of 40°C to 70°C and a rated operating voltage of 690V AC.
The circuit breaker is built to UL 489 standards and is HACR Type listed. It features a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V.
With a compact design, the breaker has dimensions of 140mm height, 76.2mm width, and 76.5mm depth. It is designed for DIN rail mounting and utilizes a lever actuator. The connection type for the main current circuit is front connection with nut keeper kits on both ends, accommodating conductor cross-sections from 12 x 1 mm to 17 x 6.5 mm.
Key electrical specifications include a maximum power loss of 3W and a maximum short-circuit breaking capacity (Icu) of 150 kA at 240V. The breaker does not include communication functions, phase failure detection, or other measurement functions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 1A at temperatures ranging from 40°C to 70°C.
The rated operating voltage at AC is 690 V.
This circuit breaker has 3 poles.
It is designed for DIN rail mounting.
Yes, it is designed as a Heating, Air Conditioning, and Refrigeration (HACR) Type circuit breaker according to UL 489.
The maximum short-circuit breaking capacity (Icu) is 150 kA at 240 V.