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This Siemens 3VA5110-1BB21-0AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for line protection. It has a maximum rated operational current of 125A frame size and a continuous current rating (Iu) of 100A, maintaining this rating up to 60°C.
The circuit breaker offers a significant short-circuit breaking capacity of 65kA at 480V. Its electrical endurance is rated at 8,000 switching cycles at 380/415V AC-1 and 4,000 cycles at 690V AC-1. The mechanical service life is typically 15,000 switching cycles.
With an insulation voltage (Ui) of 600V and a maximum operational voltage (Ue) of 415V AC or 250V DC, this breaker is suitable for various applications. It operates within an ambient temperature range of -25°C to 70°C during operation and is protected by an IP40 rating on the front.
The unit is designed for DIN rail mounting and features a lever actuator. It is compliant with UL 489 HACR Type standards and carries approvals from CCC, CE, CSA, EAC, and VDE. The overcurrent release type is MCS110.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The continuous current rating (Iu) is 100 A.
The maximum rated operational voltage (Ue) with AC 50/60Hz is 415 V, and with DC it is 250 V.
The short-circuit breaking capacity is 65kA at 480V.
The operating temperature range is from -25 °C to 70 °C.
This circuit breaker is designed for DIN rail mounting.