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The Siemens 3VA5120-4ED11-1AA0 is a 1-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a rated operational current of 20A at 40°C and a breaking capacity of 25kA at 277V.
This circuit breaker utilizes the TM210 overcurrent release with LI protection function. It has a mechanical service life of 15,000 switching cycles and electrical endurance ratings suitable for various AC voltage levels. The device is suitable for HACR Type applications according to UL 489.
With a compact design, it measures 140mm in height, 25.4mm in width, and 76.5mm in depth. The operating temperature range is from -25°C to 70°C, and it offers IP40 protection on the front. Mounting is facilitated via DIN rail.
Key electrical specifications include a maximum power loss of 4W per pole and a frame size rated for up to 125A. The overcurrent release is adjustable for short-circuit protection (Ii) between 300A and 300A, and for overload protection (Ir) at 20A.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 20A at 40°C, 45°C, and 50°C.
The breaking capacity is 25 kA at 277V.
It uses the TM210 overcurrent release with LI protection function.
The dimensions are 140 mm in height, 25.4 mm in width, and 76.5 mm in depth.
The operating temperature range is from -25°C to 70°C.
It is designed for DIN rail mounting.