Simplex 4090-9006 Release Periph and Enclosure 03/03 with its NEMA-4 rating

with its NEMA-4 rating

these devices use a universal mounting plate with an onboard shorting spring that ensures wiring continuity before devices are installed

— 24VDC power is supplied by fire alarm system in 4-wire operation

as well as the private mode setting of UL 464

The alarm current also illuminates the detector integral LED

Simplex 4090-9006 Release Periph and Enclosure 03/03 with its NEMA-4 ratingSuppression Release Peripheral mounted in NEMA 1 red box; required for ULC listing. When combined with Suppression Release Peripherals, the 4100ES series fire alarm control panel provides actuator supervision and control for use in automatic extinguishing, and deluge or preaction releasing systems. Hazard area initiating and notification devices are controlled using either conventional or addressable circuits per standard 4100ES capabilities. The