The ABB 1SVR730830R0500 is a CM-ESS.MS phase and voltage loss relay designed to monitor three-phase supplies for undervoltage, overvoltage, phase loss, and phase sequence errors. It trips the output relay when a fault is detected, protecting motor loads and sensitive equipment from supply anomalies.

ABB 1SVR730830R0500 Phase & Voltage Loss Relay
MPN1SVR730830R0500
ABB, CM-ESS.MS series, Phase & Voltage Loss Relay, 1SVR730830R0500, active production.
$111.76 – $160.00Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.07 kgs |
Product details
MPN
1SVR730830R0500