Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
SENSOR SWITCH CMRB 50 1/2" Hub-Mount Occupancy Sensor - 1/2" Hub-Mount Occupancy Sensors
SENSOR SWITCH1/2" Hub-Mount Occupancy Sensors

SENSOR SWITCH CMRB 50 1/2" Hub-Mount Occupancy Sensor

The SENSOR SWITCH High Bay Occupancy Sensor (MPN CMRB 50) is a 1/2" Hub-Mount Occupancy Sensor designed for fluorescent, incandescent, and LED loads. It operates via hard-wired communication at 120/277/230V AC and…

SKU 3G-OTH-389982

Also listed as: CMRB50 · CMRB-50

Brand
SENSOR SWITCH
Item
CMRB 50 1/2" Hub-Mount Occupancy Sensor
Part Number
CMRB 50
Category
1/2" Hub-Mount Occupancy Sensors
Available to Order
Also known as:CMRB 50SENSOR SWITCH
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SENSOR SWITCH
Manufacturer Part Number
CMRB 50
Type
Passive Infrared (PIR), White
Sensor Brand
Sensor Switch
Operating Voltage
120/277/230V AC
Communication Method
Hard Wired
Load Rating @ 120V AC
800W/6.67A (Incandescent)

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SENSOR SWITCH High Bay Occupancy Sensor (MPN CMRB 50) is a 1/2" Hub-Mount Occupancy Sensor designed for fluorescent, incandescent, and LED loads. It operates via hard-wired communication at 120/277/230V AC and supports a load rating of 800W/6.67A at 120V AC for incandescent applications. This Passive Infrared (PIR) sensor from Sensor Switch is suitable for high-bay installations.

Frequently Asked Questions

What is the SENSOR SWITCH CMRB 50 high bay occupancy sensor used for?

The SENSOR SWITCH CMRB 50 is a 1/2" hub-mount occupancy sensor designed for high-bay installations in warehouses, factories, and gymnasiums. It uses passive infrared (PIR) technology to detect motion and control fluorescent, incandescent, or LED lighting loads, helping reduce energy costs in large indoor spaces.

What are the specifications of the SENSOR SWITCH CMRB 50?

The SENSOR SWITCH CMRB 50 operates at 120/277/230V AC with hard-wired communication. It supports an incandescent load rating of 800W/6.67A at 120V AC. The sensor brand is Sensor Switch, and the manufacturer part number is CMRB 50. It is a passive infrared (PIR) occupancy sensor with a 1/2" hub mount.

Where to buy the SENSOR SWITCH CMRB 50 worldwide?

You can source the SENSOR SWITCH CMRB 50 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide this Sensor Switch high bay occupancy sensor to procurement teams internationally.

How to install the SENSOR SWITCH CMRB 50 high bay sensor?

Install the SENSOR SWITCH CMRB 50 by mounting it into a 1/2" threaded hub in the high-bay fixture. Hard-wire the sensor to the 120/277/230V AC supply following local electrical codes. Ensure the PIR lens has an unobstructed view of the area. For best results, consult the Sensor Switch installation manual for proper coverage and load limits.

Used in

Common applications for SENSOR SWITCH
Commercial office lighting — Sensor Switch WSX 2P WH wall-mount occupancy sensor with integrated photocell for automatic switching of fluorescent and LED loads.
Retail spaces — Sensor Switch CM PDT 9 WR ceiling-mount dual-technology sensor for occupancy-based lighting control in open areas.
Educational facilities — Sensor Switch WSXA WH PIR occupancy sensor for classrooms and corridors, requiring a neutral wire.
Healthcare corridors — Sensor Switch WSX PDT WH hardwired occupancy sensor with photocell for reliable lighting control without a neutral wire.
Industrial warehouses — Sensor Switch MP20 power pack to supply 15V DC to low-voltage sensors in high-bay lighting circuits.
Parking garages — Sensor Switch SP20 relay pack for multi-voltage input and hard-wired communication with occupancy sensors.
Not sure this is the right part? Photo-identify it

SENSOR SWITCH Products

3G Electric supplies SENSOR SWITCH 1/2" hub-mount occupancy sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SENSOR SWITCH

View all SENSOR SWITCH parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first