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The Siemens 3VA5211-7EC31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It has a permanent rated current (Iu) of 110A and a maximum rated operational current of 250A.
This circuit breaker offers robust protection with a breaking capacity of 100kA at 480V according to UL 489 standards and 110kA at 415V according to IEC 60947. The overcurrent release is of type TM230 with LI protection function, featuring adjustable short-circuit protection (Ii) from 5 to 10 times the rated current.
With an insulation voltage of 800V and a maximum rated operational voltage of 690V AC (50/60Hz) or 750V DC, it is suitable for various industrial applications. The mechanical service life is typically 20,000 switching cycles, and electrical endurance at 380/415V is 8,000 cycles.
Mechanically, the unit measures 185mm in height, 105mm in width, and 83mm in depth. It is designed for DIN rail mounting and features a lever actuator. The breaker is approved by multiple agencies including UL, CSA, CE, VDE, EAC, and CCC.
| 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 AC at 50/60 Hz and 750 V DC.
The breaking capacity according to IEC 60947 is 110 kA at 415 V and 10 kA at 690 V. According to UL 489, the breaking capacity is 100 kA at 480 V and 35 kA at 600 V.
The permanent rated current (Iu) is 110 A.
This circuit breaker is designed for DIN rail mounting.
The dimensions are 185 mm in height, 105 mm in width, and 83 mm in depth.