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This Siemens 3VA5105-1MU32-0AA0 is a molded-case circuit breaker from the SENTRON series, specifically designed for starter protection applications. It features a 3-pole configuration and operates at a rated voltage of 690V AC.
The breaker has an operational current rating of 5A at temperatures up to 70°C. Its short-circuit breaking capacity (Icu) is 150 kA at 240V, 70 kA at 415V, and 10 kA at 690V. The mechanical service life is rated for a typical 20,000 switching cycles.
Designed for DIN rail mounting, this circuit breaker utilizes a front connection with nut keeper kits on both ends. The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth. It includes overcurrent release protection with type TM120M and provides short-circuit protection (Ii = 3...7 x In) without overload protection.
Key electrical specifications include a rated insulation voltage (Ui) of 800V and a maximum power loss of 8W. The active power loss per pole at rated current in hot operating state is 2.7W. It is compliant with UL 489 HACR Type standards.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage for this circuit breaker is 690 V at AC.
The operational current is 5 A at temperatures from 40°C to 70°C.
The breaking capacity (Icu) is 150 kA at 240V, 70 kA at 415V, and 10 kA at 690V.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.