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The Siemens 3VA5145-5EC36-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a TM230 trip unit with LI protection function, providing overload and fixed short-circuit protection.
This circuit breaker has a rated operational voltage of 690V AC and a rated permanent current of 45A at 40°C, with derated values at higher temperatures. It boasts a mechanical service life of 20,000 switching cycles and significant electrical endurance ratings.
The breaker offers a breaking capacity of 35kA at 480V and 18kA at 600Y/347V, conforming to UL489 standards. It is suitable for HACR and HID type applications. The unit is designed for DIN rail mounting and features a lever actuator.
Additional specifications include a maximum power loss of 11.4W and a net weight of 0.951 kg. It is naval rated and has an IP40 degree of protection.
| 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 is 690 V AC.
The operational current at 40°C is 45 A.
The breaking capacity at 480V is 35 kA.
This component is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.