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White circular ceiling occupancy sensor, 4.5 inch diameter

Hubbell Incorporated

Hubbell Incorporated ATP1500C dimmer switch PIR 1500 sq ft White

SKU CH-RD2M-5YDZG MPN ATP1500C

Ceiling-mounted PIR occupancy sensor covers 1,500 sq ft with 12 ft mounting height and adaptive time delay up to 40 minutes

  • TypeLight Switch
  • Color/FinishOffice White
  • Color MappingWhite
  • PIR sensor covers up to 1500 sq ft
  • 24 V DC operation with hard-wired communication
  • Adaptive time delay adjustable up to 40 minutes
  • cULus listed and meets ASHRAE 90.1 standard
  • Ceiling mount at 12 ft height with 4.5 in diameter

Ceiling PIR occupancy sensor

The Hubbell ATP1500C is a passive infrared occupancy sensor designed for ceiling installation in commercial spaces. It detects motion across up to 1,500 square feet when mounted at heights up to 12 feet. The sensor operates on 24V DC and communicates through hard-wired connections to a control unit. Its isolated relay supports lighting loads including LED technology.

Verify control unit voltage and wiring

Confirm that your lighting control system supplies 24V DC power to the sensor location. The sensor’s load rating at 120V AC depends entirely on the connected control unit’s rating, so check that unit’s specifications before ordering. Ensure the ceiling cavity can accommodate the 4.5-inch overall diameter and that hard-wired communication cabling can be routed to the control unit. The device is restricted from sale in certain states, so verify local eligibility.

Integrates with ASHRAE 90.1 compliant systems

The sensor includes adaptive time-delay adjustment up to 40 minutes and meets ASHRAE 90.1 energy-code requirements. Its cULus listing and UL244A compliance support use in regulated commercial projects. The isolated relay allows direct switching of compatible LED loads without additional interfaces. Installation frees up wall-switch locations by moving occupancy detection to the ceiling, simplifying control wiring in open-plan offices and similar environments.

Highlights

  • PIR sensor covers up to 1500 sq ft
  • 24 V DC operation with hard-wired communication
  • Adaptive time delay adjustable up to 40 minutes
  • cULus listed and meets ASHRAE 90.1 standard
  • Ceiling mount at 12 ft height with 4.5 in diameter

Specifications

TypeLight Switch
BrandHubbell Wiring Device-Kellems
ModelATP1500C
Color/FinishOffice White
Color MappingWhite

Questions about this item

Does the ATP1500C sensor come with a mounting box or must I buy one separately?

The sensor includes an isolated relay and is designed for ceiling installation with a 4.5 in overall diameter; a compatible mounting box is not included and must be purchased separately.

Should I choose the 24V DC version or is there a line-voltage model for my circuit?

This model operates on 24V DC and requires a separate control unit; there is no line-voltage version in the ATP1500C series, so ensure your system supplies 24V DC.

How does the 1500 sq ft coverage work when the sensor is mounted at 12 ft height in an open office?

At the maximum 12 ft mounting height the PIR sensor covers up to 1500 sq ft with adaptive time delay up to 40 min, suitable for open-plan offices meeting ASHRAE 90.1.

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