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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5180-4EC41-0AA0, is designed for system protection and features a 4-pole configuration. It has a permanent rated current (Iu) of 80A, with operational current ratings varying slightly with ambient temperature, from 80A at 40°C down to 71.4A at 70°C.
The breaker operates at a maximum rated operational voltage of 690V AC and 600V DC, with an insulation voltage of 800V. Its breaking capacity according to UL 489 is 25kA at 480V, and according to IEC 60947, it is 36kA at 415V and 5kA at 690V. The short-circuit making capacity (Icm) is 76kA at 415V.
Key electrical protection functions include overload protection with an adjustable response value (Ir) starting at 80A and fixed short-circuit protection (Ii) adjustable from 400A to 800A. The overcurrent release type is TM230 with LI protection function. It is designed as a HACR Type circuit breaker.
Mechanically, the unit has a typical service life of 15,000 switching cycles. It features DIN rail mounting and a lever actuator. The dimensions include a height of 5.5 inches. The power loss is a maximum of 17.7W, with 5.9W per pole under rated conditions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690 V with AC 50/60Hz and 600 V with DC.
The breaking capacity according to UL 489 at 480V is 25 kA.
The permanent rated current (Iu) is 80 A.
This circuit breaker has 4 poles.
This circuit breaker is designed for DIN Rail mounting.