3VA5145-4ED22-1AA0
Siemens
The Siemens 3VA5145-4ED22-1AA0 is a 2-pole molded-case circuit breaker designed for system protection. It offers a 45A operational current and a breaking capacity of 25kA at 480V.
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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5145-5ED22-0AA0, is engineered for system protection applications. It features a 2-pole configuration and a rated operational current of 45A at 40°C, with derated values at higher temperatures.
The breaker provides a breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947. The overcurrent release is designed as TM210 with LI protection function. It supports HACR and HID type applications.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 415V, this circuit breaker is built for durability. It has a rated insulation voltage (Ui) of 600V and a maximum operational voltage (Ue) of 250V DC. The unit is designed for DIN rail mounting and features front connections for the main current circuit.
Key electrical specifications include a maximum power loss of 7.6W and an active power loss per pole of 3.8W. The adjustable response current ranges from 32A to 45A. The breaker does not include communication or other measurement functions and is configured without ground-fault monitoring.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current is 45A at 40°C, derating to 41A at 70°C.
The breaking capacity is 35kA at 480V (UL 489) and 55kA at 415V (IEC 60947).
The rated insulation voltage (Ui) is 600V, and the operating voltage (Ue) at AC is 415V.
This circuit breaker has 2 poles.
The circuit breaker supports DIN Rail mounting.