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3G Electric
LIFTMASTER CPS-UN4 Photo Optic System, Indoor/Outdoor, Surface Mount - Optical Sensors for Garage Doors
LIFTMASTEROptical Sensors for Garage Doors

LIFTMASTER CPS-UN4 Photo Optic System, Indoor/Outdoor, Surface Mount

The LIFTMASTER Photo Optic System (MPN CPS-UN4) is an indoor/outdoor optical sensor for garage door operators. This surface-mount unit includes mounting brackets and is compatible with LIFTMASTER door operators.

SKU 3G-OTH-328068

Also listed as: CPSUN4 · CPS UN4

Brand
LIFTMASTER
Item
CPS-UN4 Photo Optic System, Indoor/Outdoor, Surface Mount
Part Number
CPS-UN4
Category
Optical Sensors for Garage Doors
Available to Order
Also known as:CPS-UN4LIFTMASTER
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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

LIFTMASTER
Manufacturer Part Number
CPS-UN4
Includes
Mounting Brackets
For Location
Indoor/Outdoor
Product Type
Photo Optic System
Mounting Location
Surface Mount
Compatible Product Type
Door Operators

Technical Documents

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

Product Description

The LIFTMASTER Photo Optic System (MPN CPS-UN4) is an indoor/outdoor optical sensor for garage door operators. This surface-mount unit includes mounting brackets and is compatible with LIFTMASTER door operators.

Frequently Asked Questions

What is the LIFTMASTER CPS-UN4 photo optic system used for?

The LIFTMASTER CPS-UN4 is an indoor/outdoor optical sensor for garage door operators. It detects obstructions in the door's path to prevent closing on objects or people. This surface-mount unit includes mounting brackets and is compatible with LIFTMASTER door operators for reliable safety monitoring.

What are the specifications of the LIFTMASTER CPS-UN4?

The LIFTMASTER CPS-UN4 is a photo optic system for indoor/outdoor use. It features surface-mount installation and includes mounting brackets. This sensor is compatible with LIFTMASTER door operators and is designed for safety obstruction detection. The manufacturer part number is CPS-UN4.

Where to buy the LIFTMASTER CPS-UN4 worldwide?

3G Electric supplies the LIFTMASTER CPS-UN4 photo optic system worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this sensor for your door operator safety needs.

How to install the LIFTMASTER CPS-UN4 photo optic system?

Mount the CPS-UN4 on a surface using the included brackets, aligning the sensor pair across the door opening. Connect wiring per the door operator manual, ensuring the sensors face each other. Test by breaking the beam—the door should reverse. Follow LIFTMASTER's generic installation guidelines for safe setup.

Used in

Common applications for LIFTMASTER
Parking facilities — LiftMaster LA500DC and LA500DCS barrier arms control vehicle entry and exit lanes.
Gated communities — LiftMaster AOMRON photo eyes provide safety stop signals for gate operators.
Commercial entrances — LiftMaster AELD inductive loop detectors trigger gate opening for approaching vehicles.
Residential driveways — LiftMaster 312HM radio receivers enable wireless control of garage door operators.
Industrial sites — LiftMaster CAPXLV2MC video intercom modules provide audio/video verification at entry points.
Toll booths — LiftMaster MALED12 barrier arms with integrated LED improve visibility in low-light conditions.
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LIFTMASTER Products

3G Electric supplies LIFTMASTER optical sensors for garage doors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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