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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5145-5ED12-1AA0, is a 1-pole unit designed for system protection. It features a rated operational current of 45A at 40°C and a voltage rating of 415V AC.
The circuit breaker provides a breaking capacity of 35kA at 277V, with higher capacities at lower voltages (85kA at 120V) and lower at higher voltages (18kA at 347V). It includes overload protection set at Ir=45A and fixed short-circuit protection at Ii=10 x In, utilizing the TM210 overcurrent release.
Designed for durability, it has a typical mechanical service life of 20,000 switching cycles and electrical endurance ratings varying by voltage and load conditions. The unit is suitable for HACR and HID type applications according to UL 489 standards. It is not designed for SWD type applications.
Mechanical dimensions include a height of 140mm, width of 25.4mm, and depth of 76.5mm. It mounts via DIN rail and uses a front connection with a nut keeper kit. The connection screw terminals accommodate conductor cross-sections from 12 x 1 mm up to 17 x 6.5 mm.
| 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 at AC is 415V.
The operational current is 45A at 40°C, decreasing slightly at higher temperatures.
The breaking capacity is 35kA at 277V, 85kA at 120V, and 18kA at 347V.
It features TM210 overcurrent release with LI protection, including overload protection at Ir=45A and fixed short-circuit protection at Ii=10 x In.
The dimensions are 140mm in height, 25.4mm in width, and 76.5mm in depth.
It is designed for DIN rail mounting.