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This Siemens 3VA5150-4EC36-1AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It operates at a rated voltage of 690V AC and features an overload protection setting of Ir=50A, with a fixed short-circuit protection range of 5 to 10 times the rated current.
The circuit breaker has an operational current rating of 50A at 40°C, with derated values for higher temperatures up to 70°C. Its breaking capacity is rated at 25kA at 480V, 65kA at 240V, and 14kA at 600Y/347V according to UL 489 standards. It also meets IEC 60947 standards with a switching capacity class of S.
Designed for line protection, this breaker utilizes the TM230 overcurrent release with LI protection function. It is UL489 listed as HACR Type and HID Type, suitable for naval applications (SB rating). The mechanical service life is a typical 20,000 switching cycles, with electrical endurance varying based on voltage and load conditions.
This model is designed for DIN rail mounting and has a net weight of 0.951 kg. It is compliant with RoHS3, REACH Unaffected, and MSL Level 1.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage is 690 V AC.
The operational current rating at 40°C is 50 A.
The breaking capacity at 480V is 25 kA.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.