The ABB 1SDA038312R1 is an undervoltage release (UVR) accessory for ABB air circuit breakers or molded case breakers, operating on a 220/240V AC supply. It trips the breaker when the control voltage drops below a set threshold, protecting downstream equipment from brownout conditions or loss of phase.

ABB 1SDA038312R1 Undervoltage Release, 220/240V
ABB, undervoltage release, 1SDA038312R1, 220/240V AC, 0.45 kg.
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.45 kgs |
Product details
Frequently asked questions
Where can I buy 1SDA038312R1?
The part is sourced and quoted to order against an RFQ through independent industrial distribution. Availability and current pricing are confirmed at the time of quotation.
What is the 1SDA038312R1 used for?
It is an undervoltage release for ABB circuit breakers, operating on 220/240V AC. It trips the breaker when the control voltage drops, protecting equipment from undervoltage conditions.