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This Siemens 3VA5140-1MH32-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It operates with a rated voltage of 690V AC and has an operational current rating of 40A across a wide temperature range from 40°C to 70°C.
The circuit breaker provides robust short-circuit protection with a maximum breaking capacity (Icu) of 150 kA at 240V and 70 kA at 415V. Its making capacity (Icm) is 330 kA at 240V and 154 kA at 415V. The overcurrent release is set to TM120M with a short-circuit protection setting (Ii) ranging from 5 to 12 times the rated current.
Designed for mechanical reliability, it features a typical mechanical service life of 20,000 switching cycles. Electrical endurance is rated at 8,000 cycles at AC-1 for 380/415V and 4,000 cycles at 690V. The unit has a net weight of 1.034 kg and dimensions of 140 mm height, 76.2 mm width, and 76.5 mm depth. It is suitable for HACR Type applications and mounts via DIN rail.
Key electrical specifications include a rated insulation voltage of 800V and a maximum power loss of 3.6W. The connection type utilizes a nut keeper kit on both ends, accommodating conductor cross-sections from 12 x 1 mm up to 17 x 6.5 mm.
| 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 40A at temperatures ranging from 40°C to 70°C.
The rated voltage is 690 V at AC.
The maximum short-circuit breaking capacity (Icu) at 240V is 150 kA.
It has 3 poles.
The mounting type is DIN Rail.
The typical mechanical service life is 20,000 switching cycles.