STH3R24MCCHNR Supervised Speaker Strobe with three STH-15SR horns and 1 RSS-24MCCH ceiling strobe mounted to NEMA 1 steel enclosure no lettering
SKU: STH3R24MCCHNR
Cooper Wheelock is a Long Branch, New Jersey, company founded in 1922[1] specializing in fire alarm and general signalling products. The company is known as an industry leader in fire and industrial signals. Cooper Wheelock products are often used by other companies (such as Honeywell) to complement their products. Some of the earliest signals produced by Wheelock were the A-1 series of AC-powered, dual-projector electromechanical horns. In the early 1970s, Wheelock introduced the 31 (AC-powered) and 34 (DC-powered) series of electromechanical horns. STH3R24MCCHNR Supervised Speaker Strobe with three STH-15SR horns and 1 RSS-24MCCH ceiling strobe mounted to NEMA 1 steel enclosure no lettering. Wheelock's Series STH Cluster Speaker with MCCH Multi- Candela Strobe is designed for indoor ceiling mounting in high ambient noise environments. Series STH Cluster Speaker with MCCH Strobe is designed for UL Required Life Safety applications. Provides high-intelligibility voice reproduction and high intensity visual alerting for emergency life safety applications, alarm and protective signalling. Supervised Speaker Strobe supplied with four STH-15SR horns and one RSS-24MCCH ceiling strobe, NOLETTERING, RED PLATE AND TWO RSS SROBES WITH AMBER LENS mounted to a NEMA 1 steel enclosure.
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Cooper Wheelock is a Long Branch, New Jersey, company founded in 1922[1] specializing in fire alarm and general signalling products. The company is known as an industry leader in fire and industrial signals. Cooper Wheelock products are often used by other companies (such as Honeywell) to complement their products. Some of the earliest signals produced by Wheelock were the A-1 series of AC-powered, dual-projector electromechanical horns. In the early 1970s, Wheelock introduced the 31 (AC-powered) and 34 (DC-powered) series of electromechanical horns. STH3R24MCCHNR Supervised Speaker Strobe with three STH-15SR horns and 1 RSS-24MCCH ceiling strobe mounted to NEMA 1 steel enclosure no lettering. Wheelock's Series STH Cluster Speaker with MCCH Multi- Candela Strobe is designed for indoor ceiling mounting in high ambient noise environments. Series STH Cluster Speaker with MCCH Strobe is designed for UL Required Life Safety applications. Provides high-intelligibility voice reproduction and high intensity visual alerting for emergency life safety applications, alarm and protective signalling. Supervised Speaker Strobe supplied with four STH-15SR horns and one RSS-24MCCH ceiling strobe, NOLETTERING, RED PLATE AND TWO RSS SROBES WITH AMBER LENS mounted to a NEMA 1 steel enclosure. In 1994, Wheelock discontinued this series, because their low-intensity strobes did not meet the new light distribution requirements of the ADA. The 31T is still in production today for general signalling purposes. The Series MT (Multi-tone) was introduced in 1993. It featured eight different tones including Continuous Horn, Code-3 Horn, March Time Horn, Code-3 Tone, Siren, Slow Whoop, Hi-Lo, and Bell. These could be set using DIP switches on the back of the horn. However, most of the tones did not grab the attention of bystanders. The most commonly used tones were Continuous Horn, Code-3 Horn, and March Time Horn. The MT has seen different strobe types over time, including translucent vertical strobes, transparent vertical strobes, and transparent horizontal strobes. The transparent horizontal strobe design was introduced in the early 2000s, and is still used to this day.
