China Good Price Epsexp Series Explosion Proof Alarm Pressure Switch UL FM

Model NO.: EPS10EXP/EPS40EXP/EPS120EXP Number of Switch: Multi Control Switch Usage: Control Switch Explosion-proof Type: Flameproof Contact Type: Type c Contact Brand: System Sensor Maximum Operating Pressure: 250 Psi (Max.) Operating Temperature Range: Indoor or Outdoor Use -40f to 160f (-40c to 71c Dimensions: 4.9′′ W * 9.5′′h Shipping Weight: 6.2 Lbs International Certification: UL FM Mea Transport Package: as Customer Require Origin: China Type: Electronic Structure: Power Built-in Type Application: Home, Commercial, Industrial, Vehicles Contact: Normally Close Detection Method: Retro-reflective Mode Certification: UL, UL Mea Pressure Connection: 1/2 NPT Male Enclosure: Rated UL 4X, NEMA 4 for Indoor or Outdoor Use Cover Tamper Switch: UL Models: Optional P/N 546-8000 Ulc Models: Facto Conduit Entrances: Two Openings for 1/2′′conduit Trademark: System Sensor Specification: 1/2 inch NPT China Good Price EPSEXP Series Explosion Proof Alarm Pressure Switch UL FM


EPSEXP Series
Explosion Proof
Alarm Pressure Switch


General     Description

System Sensor's EPSEXP series is designed to handle extreme conditions. These units are ideal for installation in hazardous locations classified as follows:
Class I, Groups B, C, D, Division 1 & 2
Class II, Groups E, F, G, Division 1 & 2
Class III, Division 1 & 2

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.

Simplified 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 field-adjusting of the activation switch.


Features

Designed and approved to operate in hazardous locations
Rugged NEMA 4 rated cast aluminum housing
Field-adjustable pressure sensitivity
½ ˝ NPT male brass fitting
Synchronized activation circuit
Two conduit entrances
Tamper resistant screw
SPDT (Form C) synchronized switches enclosed in a durable terminal block


Model shall be EPS10EXP or EPS40EXP or EPS120EXP pressure type waterfl ow switch as manufactured by System Sensor of St. Charles, IL. They shall be installed on the sprinkler system with connection as shown on the drawings and/or as specifi ed herein. Pressure switches shall be of the bellows activated type. Switches shall have a maximum service rating of 250 psi and shall be factory adjusted to operate at a pressure as follows: EPS10EXP: 4 to 8 psi, EPS40EXP: 10 to 100 psi, EPS120EXP: 10 to 200 psi. There shall be two (2) contacts rated at 10.0 A @ 125/250 VAC and 2.5 A @ 6/12/24 VDC. The contractor shall furnish and install, where indicated on the plans, pressure switches according to appropriate NFPA standards. Switches shall be provided with ½˝ NPT male connection to be connected into the air supply line on the system side of any shut-off valve. Switches shall provide one (1) knockout type and one (1) open hole for ½˝ conduit fi tting attachment and a ground screw provision for electrical grounding. The switch enclosure shall be weatherproof and carry a NEMA 4 rating when used with proper electrical fi ttings and conduit. The cover shall incorporate a tamper-resistant screw. Switches shall be listed by Underwriters Laboratories. It shall be rated for use in hazardous locations classifi ed as Class I, Division 1, Groups B, C, D; Class II, Division 1, Groups E, F, G; Class III, Division 1.



Standard Specifi cations Hazardous Locations Classifi cations Class 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 Ratings Two sets of SPDT (Form C) 10.0 A, ½ hp @ 125/250 VAC 2.5 A @ 6/12/24 VDC Overall Dimensions Installed 4.9˝ W × 9.5˝ H Conduit Entrances Two openings for ½˝ conduit Operating Temperature Range -40°F to 160°F (-40°C to 71°C) Enclosure Rating NEMA 4 - suitable for indoor/outdoor use Shipping Weight 6.2 lbs. Service Use Automatic Sprinkler: NFPA-13 National Fire Alarm Code: NFPA-72 Warranty 3 years Pressure Ratings Model Number Maximum Adjustment Factory Setting Pressure Range Diff erential EPS10EXP Operates at rising pressure of 4 to 8 psi 4 to 20 psi Approx. 3 psi throughout range EPS40EXP Operates on increase at 50 psi and on decrease at 30 psi 10 to 100 psi Approx. 3 psi @ 10 psi, 6 psi @ 100 psi EPS120EXP Operates on increase at 125 psi and on decrease at 105 psi 10 to 200 psi Approx. 3 psi @ 10 psi, 9 psi @ 200 psi


Model No. Pressure Range EPS10EXP 4 to 20 psi EPS40EXP 10 to 100 psi EPS120EXP 10 to 200 psi Accessories EPSRK Replacement Hardware Kit (contains tamper screws, wrenches, and conduit plug G07-0151-000 O-ring for cover

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