WattStopper CX-100 PIR Ceiling...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$290.17
$219.73
WattStopper CX-100 PIR Ceiling Occupancy Sensor 2000 sq ft 24VDC with HVAC Control

WattStopper CX-100 PIR Ceiling Occupancy Sensor 2000 sq ft 24VDC with HVAC Control

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Model: CX-100
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$290.17
$219.73
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WattStopper CX-100 PIR Ceiling Occupancy Sensor 2000 sq ft 24VDC with HVAC Control

Advanced PIR Technology for Comprehensive Lighting & HVAC Control

The WattStopper CX-100 PIR Ceiling Occupancy Sensor delivers professional-grade occupancy detection with 2000 sq ft coverage and 24VDC operation. This ceiling-mounted sensor combines reliable PIR technology with built-in light level sensing and isolated relay output for versatile lighting and HVAC control applications. The compact 4.5" x 4.0" x 3.0" design provides flexible installation options while ASIC technology ensures enhanced reliability through reduced component count.

Professional Features & Benefits

  • 2000 sq ft Coverage: Provides comprehensive occupancy detection for medium to large spaces with reliable PIR sensing technology.
  • 24VDC Operation: Compatible with low-voltage control systems for safe and efficient integration with building automation.
  • Isolated Relay Output: Enables direct control of HVAC systems and other equipment independent of lighting circuits.
  • Built-in Light Level Sensor: Automatically adjusts operation based on ambient light conditions for optimal energy efficiency.
  • User-Adjustable Controls: Customizable time delay and sensitivity settings allow precise tuning for specific application requirements.
  • ASIC Technology: Advanced integrated circuit design reduces component count and increases long-term reliability.
  • Four Coverage Patterns: Selectable detection patterns provide optimized coverage for different room configurations and layouts.

Technical Specifications

  • Country Of Origin: China
  • Product Depth Us: 4.5 in
  • Product Height Us: 4.0 in
  • Product Volume Us: 67.5 cu in
  • Product Weight Us: 0.55 lb
  • Product Width Us: 3.0 in

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Environments
  • Retail Establishments
  • Conference Rooms and Meeting Spaces
  • Warehouse and Storage Areas
  • Multi-Purpose Facilities

Why Choose WattStopper Quality?

WattStopper delivers proven reliability through advanced ASIC technology and precision engineering. The CX-100's robust construction and user-adjustable features provide long-term performance and flexibility for demanding commercial applications. Professional-grade components ensure consistent operation and reduced maintenance requirements.

Manufacturer Resources

Spec Sheet

Product Specs

Product Depth Us:
4.5 in
Product Height Us:
4.0 in
Product Volume Us:
67.5 cu in
Product Weight Us:
0.55 lb
Product Width Us:
3.0 in
Department:
Electrical
Product Subgroup:
Lighting Controls & Sensors
Product Type:
Occupancy Sensor
Product Group:
Wiring Devices

WattStopper CX-100 – Frequently Asked Questions

1) How much floor area will one WattStopper CX-100 ceiling sensor cover?
2000 square feet of PIR coverage from a ceiling mount, with four selectable coverage patterns so you can bias the detection toward the room shape instead of a fixed circle. That makes it a one-sensor solution for medium to large open offices, classrooms and warehouse bays; small private offices and restrooms are usually better served by a smaller-coverage head.
2) Can I use an occupancy sensor to shut down HVAC in an unoccupied conference room?
Yes, that is what the isolated relay on the CX-100 is for. The second relay contact is independent of the lighting circuit, so you can drop a VAV box, fan coil or thermostat setback on the same occupancy signal that kills the lights. One sensor, two separate loads.
3) PIR or ultrasonic ceiling sensor for a 2000 sq ft space?
PIR, like the CX-100, needs line of sight to moving body heat, so it is the better choice in open rooms without tall partitions or racking. Where occupants are hidden behind cubicle walls or around corners, an ultrasonic head covers better: the Pass & Seymour UT3053 WattStopper ultrasonic ceiling sensor gives the same 2000 sq ft at 24V with 360 degree coverage. For rooms with both problems and false-trip concerns, the Pass & Seymour DT300 is a 24V dual technology ceiling sensor that requires both signals before switching.
4) The CX-100 needs a 24VDC supply. What occupancy sensor works if the job only has line voltage at the fixture?
The CX-100 operates on 24VDC and is intended to run through a low-voltage control system or power pack. Where there is only line voltage available, Leviton's ODS10-ID is a PIR commercial grade occupancy sensor rated 120/277V AC, and the Leviton ODC Series ODC0S-I1W is a commercial grade line voltage PIR sensor. Both are self-contained on line voltage, so no separate 24V power pack is involved.
5) What is the closest low-voltage ceiling sensor to the WattStopper CX-100 if a PIR unit will not hold the space?
The CX-100 is a PIR ceiling sensor covering 2000 sq ft on 24VDC. If passive infrared cannot see the occupants reliably - for example partitioned or L-shaped spaces where line of sight breaks up - the Pass & Seymour UT3053 is a ceiling mount ultrasonic sensor, also 24V, 360 degree coverage, 2000 sq ft. Same voltage class and same stated coverage, different detection technology. The Pass & Seymour DT300 is a dual technology 24V 360 degree ceiling sensor if you want both PIR and ultrasonic in one head.
6) Is there a smaller-coverage ceiling PIR sensor to use instead of the CX-100 in a conference room or small office?
Yes. The CX-100 is sized for 2000 sq ft of PIR coverage, which is more than a single small room needs. The Pass & Seymour CI305 is a low-profile ceiling PIR sensor with 360 degree coverage rated at 1200 sq ft, which suits conference rooms and private offices where the larger pattern would be wasted. Note that the CX-100 carries an isolated relay output for HVAC control and four selectable coverage patterns, so if you need the HVAC contact the CI305 is not a direct swap.
7) Is there a line voltage PIR sensor with coverage comparable to the CX-100's 2000 sq ft?
The Leviton ODS10-ID-E is a PIR commercial grade occupancy sensor rated 2100 sq ft at 120/277V in black, which puts it in the same coverage class as the CX-100's 2000 sq ft PIR pattern while running directly on line voltage. The difference beyond voltage is that the CX-100 brings a built-in light level sensor and an isolated relay for HVAC control, so confirm which of those functions the job actually requires before swapping.
8) Will the CX-100 keep lights off when there is enough daylight in the space?
It can. The CX-100 has a built-in light level sensor, so the unit can hold the lights off on occupancy when ambient light is already above the setpoint. Combined with the user-adjustable time delay and sensitivity, you can tune it for a perimeter daylit zone rather than running lights every time someone walks through.
9) What is a smaller alternative if 2000 sq ft of coverage is more than my room needs?
For a smaller or lower-profile install, the Pass & Seymour CI305 WattStopper ceiling PIR sensor covers 1200 sq ft with 360 degree detection in a low profile housing. The Lithonia CM-9 is another low voltage PIR option running on 12-24V AC/DC. Note that neither is listed with the isolated HVAC relay the CX-100 carries, so if you are switching a mechanical load, stay with the CX-100 or a relay version such as the Lithonia CMR-9.
10) Can the CX-100 be mounted on a wall instead of the ceiling?
The CX-100 is a ceiling-mounted sensor and its four coverage patterns are built around looking down into a room. For wall-mounted switching, the Pass & Seymour PW-302 WattStopper PIR wall occupancy sensor is the dual-relay wall device to specify instead.
11) Which other low-voltage PIR ceiling sensors carry a relay like the CX-100's isolated output?
The CX-100 includes an isolated relay output so HVAC or other equipment can be switched independently of the lighting circuit. In the Lithonia line, the CM-9 is a PIR low voltage occupancy sensor switch rated 12-24V AC/DC, and the CMR-9 is the PIR version that includes a relay. If the relay contact is the reason you specified the CX-100, the CMR-9 is the Lithonia counterpart to look at rather than the CM-9.
12) What is the alternative to the CX-100 for large open areas where occupants make only small movements?
The CX-100 covers 2000 sq ft with adjustable sensitivity and time delay, which handles most open commercial areas. Where occupants sit still for long stretches and minor motion drops out of a PIR pattern, the Leviton ODS15-IDW is a PIR self-adaptive commercial grade occupancy sensor, and the Pass & Seymour DT300 adds ultrasonic alongside PIR in a 24V 360 degree ceiling head - ultrasonic responds to smaller movement than infrared alone.
13) How much space does the CX-100 sensor need above and below the ceiling?
The housing measures 4.5 in deep by 4.0 in high by 3.0 in wide and weighs 0.55 lb, so it is a compact head that does not need structural support beyond the ceiling tile or box it mounts to. Allow for the body projecting into the room when you are coordinating with sprinkler heads and diffusers.
14) Is the CX-100 the right part number to standardize on across a building?
The sensor is sold under a single model, CX-100, with no finish or coverage variants to track, so a facility can order one part number for every ceiling location. Specify the low voltage power packs separately, since the sensor itself runs at 24VDC and does not switch line voltage on its own.
How fast can I get the WattStopper CX-100 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the WattStopper CX-100 come with a warranty?
Absolutely. The WattStopper CX-100 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the WattStopper CX-100?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the WattStopper CX-100 from ZenSupply?
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