Wheelock CH90-24-R


Ceiling Chime

Availability: Please Call for Lead Time

  • Factory New
Brand: Wheelock FireAlarm.com Part #: 48856 Category: Manufacturer Part #: CH90-24-R


The Wheelock CH chimes and chime strobes by Eaton minimize alarm system power supply requirements and wiring costs with a low current draw and a patented chime mounting plate for fast, easy installation. Each model has a built-in level adjustment feature and an aesthetic two (2) screw grille cover.

These unique solid-state chime appliances provide field selectable 1 Hz, 2 Hz, Coded, or Temporal 3 (T3) with Anechoic sound levels adjustable up to 80 dB and tone frequency of 890 Hz.

Strobe options for wall mount models include Wheelock patented MCW multi-candela strobe with field selectable candela settings of 15/30/75/110cd or the high intensity MCWH strobe with field selectable 135/185cd.

Ceiling mount models are available in Wheelock patented MCC multi-candela ceiling strobe with field selectable intensities of 15/30/75/95cd or the high intensity MCCH strobe with field selectable 115/177cd.


Weight 1.47 lbs
Dimensions .43 × 7.26 × 7.26 in









  • Approvals
  • Field Selectable Candela
  • Low current draw to reduce power consumption and wiring costs
  • 24 VDC with wide UL “Regulated Voltage” using filtered DC or unfiltered VRMS input voltage
  • Synchronize using the Wheelock Sync Modules or panels with built-in Wheelock Patented Sync Protocol
  • Adjustable Volume and 890 Hz preset tone
  • Operation modes: 1 Hz, 2 Hz, Coded, Temporal 3 (T3)
  • Fast Installation with IN/OUT screw terminals using #12 to #18 AWG wires


Wheelock CH Chimes and Chime Strobes, Version 2
Installation Instructions: Series CH70/CH90 Electronic Chimes, Version 2
Wheelock Mounting Accessories