Robust Construction. The EPSEXP series consists of a rugged, NEMA 4 rated cast aluminum housing. Designed for both indoor and outdoor use, the EPSEXP series operates across a wide temperature range, from –40°F to 160°F. Reliable Performance. The EPSEXP series cover is secured with a tamper resistant screw to prevent unauthorized tampering. Inside, two sets of SPDT (Form C) synchronized switches are enclosed in a durable terminal block to assure reliable performance. Simplifi ed Operation. Like all System Sensor pressure switches, the EPSEXP series is designed for easy installation. The EPSEXP series includes a pressure adjustment wheel that requires no special tools. This feature permits fi eld-adjusting of the activation switch.

• Designed and approved to operate in hazardous locations
• Rugged NEMA 4 rated cast aluminum housing
• Field-adjustable pressure sensitivity
• 1/2" NPT male brass fitting
• Synchronized activation circuit
• Two conduit entrances
• Tamper resistant screw
• SPDT (Form C) synchronized switches enclosed in a durable
• terminal block

Hazardous Locations Classifi cationsClass I, Div 1, Groups B, C, D Class II, Div 1, Groups E, F, G Class III, Div 1 Maximum System Pressure 250 psi (max.) Pressure Connection ½” NPT male brass fi tting Contact RatingsTwo sets of SPDT (Form C) 10.0 A,1/2 hp @ 125/250 VAC 2.5 A @ 6/12/24 VDC Overall Dimensions Installed 4.9˝ W × 9.5˝ H Conduit EntrancesTwo openings for ½”conduit Operating Temperature Range –40°F to 160°F (–40°C to 71°C) Enclosure RatingNEMA 4 – suitable for indoor/outdoor use Shipping Weight 6.2 lbs. Service UseAutomatic Sprinkler: NFPA-13 National Fire Alarm Code: NFPA-72 Warranty 3 years