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This Siemens 3VA5145-4EC36-0AA0 is a molded-case circuit breaker designed for system protection. It is part of the SENTRON series and features a 3-pole configuration.
The circuit breaker has a rated operational voltage of 690 V AC and a maximum operational voltage of 500 V DC. It is rated for 45A at 40°C, with derated current handling at higher temperatures. The breaking capacity according to UL 489 is 25kA at 480V, and according to IEC 60947, it is 36kA at 415V.
Key electrical features include an LI protection function for the overcurrent release and a TM230 type. The mechanical service life is rated at a typical 20,000 switching cycles. It is designed for DIN rail mounting.
This breaker is suitable for HACR and HID type applications according to UL 489. 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 operating voltage is 690 V AC.
It has 3 poles.
The breaking capacity at 415 V is 36 kA.
The rated current is 45 A.
It complies with UL 489 standards.