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The Siemens 3VA5120-6EF31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA series, designed for system protection. It features a rated operational current of 20A at 40°C and a maximum rated operational voltage of 690V AC.
This circuit breaker provides robust protection with a breaking capacity of 65kA at 480V according to UL 489 standards, and 150kA at 240V and 70kA at 415V according to IEC 60947. The overcurrent release is a TM240 type with LI protection function, adjustable from 16A to 20A for overload and 7.5 to 15 times In for short-circuit protection.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, 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.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
690V AC and 500V DC.
20A at various temperatures.
150kA maximum and operating capacity.
DIN Rail mounting.
15,000 switching cycles.