The ABB UXAB728131R131 is a circuit breaker trip device, classified under Circuit Breaker Accessories and Circuit Breaker Trip Devices within the Circuit Breakers, Fuses & Protection category. This is the component that mounts inside the breaker frame to sense overcurrent and trigger the opening mechanism — the decision element for coordination studies.
ABB UXAB728131R131 Circuit Breaker Trip Device, Current Life
MPNUXAB728131R131
ABB, circuit breaker trip device, UXAB728131R131, 2.27 kg, current lifecycle stage.
$1,042.14Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 2.27 kgs |
Product details
Frequently asked questions
Where can I buy UXAB728131R131?
The UXAB728131R131 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
What is UXAB728131R131's listed weight?
The listed weight is 2.27 kg, indicating a full-size molded-case or air-break breaker frame component.
Will UXAB728131R131 drop into a panel specified around S261-B32?
No. The S261-B32 is a DIN-rail MCB at 0.14 kg with integrated trip and contacts; the UXAB728131R131 is a separate trip device at 2.27 kg for a different breaker chassis. Rewiring and a different frame are required.
MPN
UXAB728131R131