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The Siemens 3VA5145-6EC32-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. This breaker operates at a rated voltage of 690V AC and has an operational current of 45A at 40°C, with derated values at higher temperatures.
It features a breaking capacity of 65kA at 480V and 150kA at 240V, with a switching capacity class of H according to IEC 60947. The overcurrent release is of type TM230 with LI protection function. The breaker supports adjustable response values for short-circuit protection.
Mechanically, the unit has a height of 140mm (5.51 inches), a width of 76.2mm (3 inches), and a depth of 76.5mm (3.01 inches). It is designed for front connection with nut keeper kits on both ends, accommodating conductor cross-sections from 12 x 1 mm up to 17 x 6.5 mm. The breaker is suitable for DIN rail mounting.
With a typical mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this circuit breaker is built for reliability. It is also listed with UL489 approval.
| 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 for this circuit breaker at AC is 690 V.
The breaking capacity current at 480 V is 65 kA.
The operational current at 40°C is 45 A.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.