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This Siemens SENTRON 3VA5 series molded-case circuit breaker, part number 3VA5110-1MU32-0AA0, is designed for starter protection applications. It operates with a rated insulation voltage of 800V and an operating voltage of 690V AC.
The breaker features a 100A operational current rating at 40°C, with derated values at higher temperatures. Its short-circuit protection is adjustable from 3 to 7 times the nominal current (In). The breaking capacity according to IEC 60947 is substantial, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V.
Mechanically, the unit has a typical service life of 20,000 switching cycles. It is built for DIN rail mounting and features front connections with nut keeper kits. The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth.
This circuit breaker is UL 489 listed and HACR Type approved, making it suitable for HVACR applications. It has a TM120M overcurrent release design.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage at AC rated value is 690 V.
The maximum short-circuit current breaking capacity (Icu) at 240V is 150 kA.
The operational current at 40°C is 100 A.
This circuit breaker has 3 poles.
The typical mechanical service life is 20,000 switching cycles.
Yes, this circuit breaker is designed as a HACR Type according to UL 489.