EPS40-1 Datasheet, PDF (2/2 Pages) Systemsensor advanced ideas. – Supervisory Pressure Switches

Specifications, EPS40-1 and EPS40-2 (continued)
Physical/Operating Specifications
Maximum Operating
Pressure
250 psi
Operating Temperature
Range
Maximum Adjustment 10 to 100 psi
Pressure Range
Cover Tamper Switch
Differential
Approximately 3 psi @ 10 psi, 6 psi @ 100 psi
Enclosure
Factory Setting
EPS40-1 operates at decreasing pressure at 30 psi Shipping Weight
EPS40-2 operates at increasing pressure at 50 psi
and decreasing pressure at 30 psi
Switch Contact Ratings
EPS10-1: One set SPDT (Form C)
EPS10-2: Two sets SPDT (Form C)
10.0 A, ½ HP @ 125/250 VAC
2.5 A @ 6/12/24 VDC
Service Use
Pressure Connection
½˝ NPT male
Warranty
Dimensions
5.12˝ H × 3.325˝ W × 4.250˝ L
(13.0 cm × 8.4 cm × 10.8 cm)
Indoor or outdoor use:
–40°F to 160°F (–40°C to 71°C)
UL Models: Optional P/N 546-8000
ULC Models: Factory Installed
Rated UL 4x, NEMA 4 for indoor or outdoor use
1.2 lbs. (.54 Kg)
Automatic Sprinkler: NFPA 13
One or Two Family Dwelling: NFPA 13D
Residential Occupancies up to 4 Stories: NFPA 13R
National Fire Alarm Code: NFPA 72
3 years
Typical Sprinkler Applications
EPS40
WIRE TO SUPERVISORY
CIRCUIT OF FIRE ALARM
CONTROL PANEL
EPS40
TO
SPRINKLER
SYSTEM
WIRE TO ALARM
INDICATING CIRCUIT
OF FIRE ALARM
CONTROL PANEL
AIR LINE
SHUT-OFF
VALVE
CHECK
VALVE
INSTALL
BLEEDER
VALVE FOR
TESTING
DRY
PIPE
VALVE
OS & Y
VALVE
CHECK
VALVE
WATER
BY-PASS
TEST
VALVE
WATER
MOTOR
GONG
LOCAL ALARM
SHUT OFF
VALVE
DRY SYSTEM
Electrical Connections
MODELS EPS40-1
SWITCH AT 40 P.S.I. (NORMAL)
B
COM
A
SWITCH AT 30 P.S.I. (LOW TRIP PT.)
B
COM
A
SWITCH 1
MODELS EPS40-2
SWITCHES AT 30 P.S.I. (LOW TRIP PT.)
B
COM
A
B
COM
A
SW1
SW2
SWITCHES AT 40 P.S.I. (NORMAL)
B
COM
A
SW1
B
COM
A
SW2
SWITCHES AT 50 P.S.I. (HIGH TRIP PT.)
B
COM
A
SW1
B
COM
A
SW2
Pressure Switch Basic Dimensions
4¹/4″
GROUND
SCREW
(GREEN) _{SWITCH #2}
HEX
ADJUSTMENT
SCREW
5¹/8″
LOCKING
SCREW
MAIN ADJUSTMENT
WHEEL
1_{/2″ NPT}
Ordering Information
Part No.
Description
EPS40-1
Low Pressure Supervisory Switch, One SPDT, 10–100 PSI
EPS40-2
High/Low Pressure Supervisory Switch, Two SPDT, 10–100 PSI
EPSA40-1
Low Pressure Supervisory Switch, One SPDT, 10–100 PSI (ULC Model)
EPSA40-2
High/Low Pressure Supervisory Switch, Two SPDT, 10–100 PSI (ULC Model)
Replacement Parts
S07-66-XX
Replacement Tamper Screws for Cover of EPS
WFDW
Replacement Tamper Proof Wrench for Cover of EPS
546-8000
Cover Tamper Switch for EPS Series
3825 Ohio Avenue • St. Charles, IL 60174
Phone: 800-SENSOR2 • Fax: [phone]
©2006 System Sensor.
Product specifications subject to change without notice. Visit systemsensor.com for
current product information, including the latest version of this data sheet.
A05-0177-010 • 9/06 • #1676