Data Sheet

ManualsBrandsBosch ManualsBurglar Alarms24V 15-115C Red Horn Strobe Ceiling-Mount

Fire Alarm Systems | GC Ceiling‑mount, Field‑selectable Strobes and Horn Strobes

GC Ceiling‑mount, Field‑selectable Strobes

and Horn Strobes

www.boschsecurity.com

u Field‑selectable candela options (15 cd, 30 cd,

75 cd, 95 cd, and 115 cd)

u Separate horn and strobe functions; silence horn

while strobes remain flashing

u Strobe, horn, or both can be synchronized using the

AVS Series Synchronization Modules

u Silence horn while strobes remain flashing

u Switch selection for high or low dBA, high or low

frequency, and for Temporal Code 3, Chime, or

Whoop tones

The Commander

Series Ceiling‑mount Strobes and

Horn Strobe combinations offer dependable audible

and visual alarms, low current draw, and a minimum

flash rate of 1 Hz regardless of the input voltage.

These models offer field‑selectable options of 15 cd,

30 cd, 75 cd, 95 cd, 115 cd, and 150 cd.

The horns provide a selection of high or low dBA and a

selection of 2400 Hz (remote signaling) or a low

frequency broad band from 1500 Hz to 3000 Hz

mechanical sounding (evacuation) tone where doors

could be a problem. These models are easily

field‑changeable from Temporal Code 3 to a

continuous tone.

These devices come standard with a 4 in. (10.2 cm)

mounting plate, and incorporate the popular

SuperSlide feature that allows you to easily test for

supervision.

Certifications and approvals

Gentex Corporation holds these Listings and

Approvals:

Region

Certification

USA UL ULSZ: Audible Signal Appliances

(UL464), ULSZ7: Audible Signal Appli-

ances Certified for Canada, and UUKC:

Signaling Appliances and Equipment for

the Hearing Impaired (ANSI/UL 1971)

(GCC24-C models)

UL UUKC: Signaling Appliances and Equip-

ment for the Hearing Impaired (ANSI/UL

1971) and UEES7: Visual-signal Appli-

ances Certified for Canada [CAN/ULC-

S526 (1987)] (GCS24-C models)

CSFM see our website

Installation/configuration notes

Mounting Considerations

These strobes are equipped with a 4‑in. square

mounting plate that can be mounted on the indicated

back boxes for the indicated applications:

Summary of content (3 pages)

PAGE 1
Fire Alarm Systems | GC Ceiling‑mount, Field‑selectable Strobes and Horn Strobes GC Ceiling‑mount, Field‑selectable Strobes and Horn Strobes www.boschsecurity.com The Commander4 Series Ceiling‑mount Strobes and Horn Strobe combinations offer dependable audible and visual alarms, low current draw, and a minimum flash rate of 1 Hz regardless of the input voltage. These models offer field‑selectable options of 15 cd, 30 cd, 75 cd, 95 cd, 115 cd, and 150 cd.
PAGE 2
| GC Ceiling‑mount, Field‑selectable Strobes and Horn Strobes Conduit Applications Surface Mounted 4‑in. square Flush Mounted • GSB • • • Audible Device Current (maximum): 23 mA RMS 43 mA FWR Sound Output (maximum range) at 10 ft (3 m): High output: 81 dBA Low output: 73 dBA* Synchronization Although the AVS44 modules can be used with these devices, the AVSM modules are recommended in loops where no HS24 or ST24 devices are used.
PAGE 3
| GC Ceiling‑mount, Field‑selectable Strobes and Horn Strobes GCS24‑CR Red Strobe Unit Red ceiling-mount strobe with field‑selectable intensities of 15 cd, 30 cd, 75 cd, 95 cd, 115 cd, and 150 cd. Order number GCS24-CR GCS24‑CW White Strobe Unit White ceiling-mount strobe with field‑selectable intensities of 15 cd, 30 cd, 75 cd, 95 cd, 115 cd, and 150 cd.