The Siemens 3VU2912-4AB4 is an undervoltage release accessory for the 3VU2 series of motor protective circuit breakers, designed to trip the breaker when the control voltage drops below a set threshold. It operates on 24 V DC and is compatible with the 3VU2.1, 3VU2.2, and 3VU2.3 frame sizes.
Siemens 3VU2912-4AB4 undervoltage release, 24 V DC for 3VU2
MPN3VU2912-4AB4
Siemens 3VU2912-4AB4 undervoltage release, 24 V DC, for 3VU2.1, 3VU2.2, 3VU2.3.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Product details
Frequently asked questions
Where can I buy the 3VU2912-4AB4 and get a price?
The 3VU2912-4AB4 is sourced to order against an RFQ through independent distribution. Submit a request for quote to confirm availability and current pricing.
What is the 3VU2912-4AB4 used for?
It is an undervoltage release that trips a 3VU2 series motor protective circuit breaker when the control voltage drops below the release threshold, protecting the motor from undervoltage conditions.
MPN
3VU2912-4AB4
