Ordering Information - Potter PS40 Serie Fiche Technique

Engineer/Architect Specifications
Pressure Type Waterflow Switch
Pressure type supervisory switches; shall be a Model PS40 as
manufactured by Potter Electric Signal Company, St. Louis, MO., and
shall be installed on the fire sprinkler system as shown and or specified
herein.
Switches shall be provided with a 1/2" NPT male pressure connection
to be connected into the air supply line on the system side of any shut-
off valve. A Model BVL bleeder valve as supplied by Potter Electric
Signal Company of St. Louis, MO., or equivalent shall be connected
in line with the PS40 to provide a means of testing the operation of the
supervisory switch. (See Fig. 3)
The switch unit shall contain SPDT (Form C) switch(es). One switch
shall be set to operate at 30 psi (2,1 bar) on a pressure decrease. If two
switches are provided, the second switch shall be set to operate at a 50
psi (3,5 bar) on a pressure increase.
Switch contacts shall be rated at 10.1 Amps at 125/250VAC and 2.0
Amps at 30VDC. The units shall have a maximum pressure rating of
300 psi (20,68 bar) and shall be adjustable from 10 to 60 psi (0,7 to
4,1 bar).
Pressure switches shall have two conduit entrances, one for each
individual switch compartment to facilitate the use of dissimilar
voltages for each individual switch.
The cover of the pressure switch shall be Weather/UV/Flame Resistant
High Impact Composite with rain lip and shall attach with one tamper
resistant screw. The pressure switch shall be suitable for indoor or
outdoor service with a NEMA-4/IP66 rating.
The pressure switch shall be UL, ULC, and CSFM listed, FM and LPC
approved and NYMEA accepted.
Potter Electric Signal Company, LLC • St. Louis, MO • Phone: 866-956-0988 / Canada 888-882-1833
5400931 - REV J
Supervisory Pressure Switch
•Installation must be performed by qualified personnel and in
accordance with all national and local codes and ordinances.
•Shock hazard. Disconnect power source before servicing. Serious
injury or death could result.
•Read all instructions carefully and understand them before starting
installation. Save instructions for future use. Failure to read and
understand instructions could result in improper operation of
device resulting in serious injury or death.
•Risk of explosion. Not for use is hazardous locations. Serious injury
or death could result.
CAUTION
•Do not tighten by grasping the switch enclosure. Use wrenching
flats on the bushing only. Failure to install properly could
damage the switch and cause improper operation resulting in
damage to equipment and property.
•To seal threads, apply Teflon tape to male threads only. Using
joint compounds or cement can obstruct the pressure port
inlet and result in improper device operation and damage to
equipment.
•Do not over tighten the device, standard piping practices apply.
•Do not apply any lubricant to any component of the pressure
switch.

Ordering Information

Model Description
PS40-1 Pressure Switch Canadian and Nylon
Connection
PS40-1 Pressure Switch Canadian and Brass
Connection
PS40-2 Pressure Switch Canadian and Nylon
Connection
PS40-2
Pressure Switch Canadian and Brass
Connection
Hex Key
BVL Bleeder Valve
Optional Cover Tamper Switch Kit
Pressure switches have a normal service life of 10-15 years.
However, the service life may be significantly reduced by local
environmental conditions.
•
2/20
PS40 Series
Stock No.
1340405
1340407
1340406
1340408
5250062
1000018
0090200
• www.pottersignal.com
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