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This Siemens 3VA5145-4ED11-1AA0 is a 1-pole molded-case circuit breaker designed for system protection. It has a rated operational current of 45A at 40°C, with derated values at higher temperatures up to 70°C. The circuit breaker offers a breaking capacity of 25kA at 277V and 14kA at 347V, suitable for various applications.
The overcurrent release is a TM210 type with LI protection function, featuring adjustable response values for both overload (Ig) and short-circuit (Ii) protection. The overload protection is set at Ir=45A, and the fixed short-circuit protection is Ii=10 x In. The device has a maximum power loss of 3.4W and a mechanical service life of typically 15,000 switching cycles.
Mechanically, the circuit breaker measures 5.5 inches in height, 1 inch in width, and 3 inches in depth. It is designed for DIN rail mounting and has a front protection class of IP40. The operating ambient temperature ranges from -25°C to 70°C.
This breaker is UL 489 listed and meets HACR Type requirements. It is also compliant with CCC, CE, CSA, EAC, and VDE standards. The product is RoHS3 compliant and has an MSL of 1.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 45A at 40°C, with derated values at higher temperatures.
The breaking capacity is 25kA at 277V, 65kA at 120V, and 14kA at 347V.
This circuit breaker has 1 pole.
The circuit breaker can operate in ambient temperatures from -25°C to 70°C.
Yes, the product is RoHS3 Compliant.
The MSL is 1 Unlimited.