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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5145-4ED36-1AA0, is a 3-pole unit designed for system protection applications. It features a nominal operating voltage of 690V AC and a current rating of 45A at 40°C, with derated values at higher temperatures.
The circuit breaker provides overload protection with an Ir of 45A and fixed short-circuit protection at 10 times the nominal current (Ii=10 x In). Its breaking capacity is rated at 25kA at 480V, 65kA at 240V, and 14kA at 600Y/347V, adhering to UL489 standards.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It is suitable for HACR and HID type applications. The unit is designed for DIN rail mounting and has a net weight of 0.951 kg.
Additional technical data includes a maximum power loss of 11.4W and active power loss per pole of 3.8W. The overcurrent release type is TM210 with LI protection function. It does not feature communication or other measurement functions.
| 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 45 A.
The breaking capacity at 480V is 25 kA.
It has 3 poles.
It supports DIN Rail mounting.
Yes, it is HACR Type rated.
Yes, it is HID Type rated.