Motor starting relays ease setup
An
ICM Controls product story
Edited by the Engineeringtalk editorial team
Aug 31, 2007
The USMR's differential voltage sensing technology ensures the exact starting voltage for each motor.
ICM Controls has released universal motor starting relays (USMR), a wire-for-wire replacement for all standard potential relays that operate a single-phase motor with a voltage range of 110-502V AC.
The new relay is ideal for applications such as A/C, commercial refrigeration, heat pumps or any single-phase motor application up to 7.46kW.
The USMR's differential voltage sensing technology ensures the exact starting voltage for each motor.
There are no user adjustments to make at set-up, making installation easier and more accurate.
Additionally, a single USMR unit can be used in place of hundreds of competitive models, translating into a dramatic cost-savings through inventory reduction.
The USMR is available in two standard models: the UMSR30 and UMSR50, which feature 30 and 50A switching capabilities respectively.
Two enhanced models are also being offered: the UMSRe-30 and UMSRe-50.
The "E" series models are designed with advanced circuitry that intelligently discharges stray DC voltage from the starting capacitor to prevent contactor welding under extreme circumstances.
All versions feature a nonpositional mounting configuration.
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