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3G Electric
ICM CONTROLS UMSR-50B-LF Fixed-Potential Relay
ICM CONTROLSFixed-Potential Relay

ICM CONTROLS UMSR-50B-LF Fixed-Potential Relay

<p>The ICM CONTROLS UMSR-50B-LF is a fixed-potential relay designed for reliable voltage monitoring in HVAC and industrial applications. This relay operates with a coil voltage of 110 to 270V AC and features a…

SKU 3G-OTH-68289

Also listed as: UMSR50BLF · UMSR 50B LF

Brand
ICM CONTROLS
Item
UMSR-50B-LF Fixed-Potential Relay
Part Number
UMSR-50B-LF
Category
Fixed-Potential Relay
Available to Order
Also known as:UMSR-50B-LFICM CONTROLS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

ICM CONTROLS
Manufacturer Part Number
UMSR-50B-LF
Type
Adj
AC
110 to 270V
AC Drop Out
502V
Coil Voltage
110 to 270V AC
Maximum Drop Out Voltage
502V AC

Technical Documents

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ICM CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The ICM CONTROLS UMSR-50B-LF is a fixed-potential relay designed for reliable voltage monitoring in HVAC and industrial applications. This relay operates with a coil voltage of 110 to 270V AC and features a maximum drop-out voltage of 502V AC, ensuring precise switching under specified conditions. Its fixed-potential design simplifies installation and reduces setup time.</p><p>As a Singapore-based supplier, 3G Electric offers this relay with worldwide shipping, SGD quotes on request, and GST handled for local buyers. Enjoy fast delivery across Singapore and Southeast Asia, making it a convenient choice for procurement professionals.</p>

Frequently Asked Questions

What is the coil voltage range for the UMSR-50B-LF?

The coil voltage is 110 to 270V AC.

What is the maximum drop-out voltage?

The maximum drop-out voltage is 502V AC.

Used in

Common applications for ICM CONTROLS
Commercial HVAC — ICM Controls AF16-30-10-11 contactor for switching compressors and fans in rooftop units.
Refrigeration — ICM Controls UMSR-50B-LF fixed-potential relay for starting single-phase motors in condensing units.
Industrial control panels — ICM Controls non-reversing IEC contactors for load switching in machinery control circuits.
Building automation — ICM Controls ACC-RT104 remote sensor for temperature monitoring in large spaces or ductwork.
Food service equipment — ICM Controls replacement relays and contactors for ovens, fryers, and refrigerators.
OEM equipment — ICM Controls motor starting relays and contactors integrated into original equipment designs.
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ICM CONTROLS Products

3G Electric supplies ICM CONTROLS fixed-potential relay. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Supco
Supco
Fixed-potential relay with a pickup voltage range of 204V AC to 233V AC and a maximum drop out voltage of 130V AC. Features a 395V AC coil voltage and SPST contact form. Used in HVAC and refrigeration systems to control start windings on single-phase motors, disconnecting the start capacitor once the motor reaches sufficient speed
Supco
Supco
Fixed-potential relay with a pickup voltage range of 171V AC to 184V AC and a maximum drop out voltage of 90V AC. Coil voltage is 332V AC with SPST contact form. Used in HVAC and refrigeration systems to start single-phase compressor motors and disconnect the start capacitor at the appropriate speed
Supco
Supco
Fixed-potential relay with 395V AC coil voltage and SPST contact form. Pickup voltage range 242V AC to 272V AC, maximum drop out voltage 140V AC. Used in HVAC and refrigeration systems to switch start capacitors out of the circuit once the motor reaches preset speed
Supco
Supco
Fixed-potential relay with 168V AC coil voltage and SPST contact form. Pick-up voltage range 140V AC to 153V AC; maximum drop-out voltage 45V AC. Used in HVAC and refrigeration systems to disconnect the start capacitor once the motor reaches sufficient speed
Supco
Supco
Fixed-potential relay with a pickup voltage range of 314V AC to 342V AC and a maximum drop out voltage of 135V AC. Features a 502V AC coil voltage and SPST contact form. Used in HVAC and refrigeration systems to control start windings in single-phase compressors
Supco
Supco
Fixed-potential relay with a pickup voltage range of 280V AC to 310V AC and a maximum drop out voltage of 121V AC. Features a 420V AC coil voltage and SPST contact form. Used in HVAC and refrigeration systems for controlling start windings in single-phase compressors

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