System Sensor PR-1 User Manual

Pr-1 multi-voltage relay

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NOTICE: This manual should be left with the owner/user of
this equipment.

General Description

Model PR-1 is an epoxy encapsulated single pull double throw
(SPDT) relay. The PR-1 also uses a red LED as a visible indication
of relay coil energization.

Mounting

For ease of installation, the PR-1 relay may be mounted in a va-
riety of ways. It can be attached within compatible equipment
or in a separate enclosure using a mounting screw. Double sided
tape is also provided for additional support.

Wiring

NOTE: All wiring must conform to applicable local codes, ordi-
nances, and regulations.
The PR-1 connections are shown on the label on the side of the
relay. Using the enclosed wire nuts, secure the electrical connec-
tions appropriate to the application. Provisions must be taken to
separate power limited and non-power limited wiring per National
Electrical Code requirements. Field installable wiring connected
to the product must have a minimum 1/4 inch spacing between
the power limited and non-power limited wire.
NOTE: There is high voltage running through the red wire. To
help prevent injury, put a wire nut on the red wire before install-
ing. This is only applicable when using 120 VAC operating voltage
(black wire).

PR-1
Multi-Voltage Relay

3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: 630-377-6495

www.systemsensor.com

Specifications

Operating Voltage:

18-35 VDC, 18-35 VAC, 120 VAC

Operating Current:

15 mA max.

Operating Temperature Range:

–40ºF to 158ºF (–40ºC to 70ºC)

Storage Temperature Range:

–58ºF to 185ºF (–50ºC to 85ºC)

Humidity:

10 to 93% RH non-condensing

Wire Length:

8˝ min. (203 mm)

Dimensions:

0.87˝H x 2.01˝W x 1.42˝D

(22 mm H x 51 mm W x 36 mm D)

Accessories:

Six wire nuts

One piece of double sided tape

One 1

1

/

4

˝ screw

Contact Ratings:

24 VDC

7A

120 VAC 7A max. (0.35 PF)

250 VAC 10A max. (resistive load)

30 VDC

10A max. (resistive load)

YELLOW

BLUE

ORANGE

System Sensor warrants its enclosed product to be free from defects in

materials and workmanship under normal use and service for a period

of three years from date of manufacture. System Sensor makes no other

express warranty for the enclosed product. No agent, representative,

dealer, or employee of the Company has the authority to increase or alter

the obligations or limitations of this Warranty. The Company’s obliga-

tion of this Warranty shall be limited to the replacement of any part of

the product which is found to be defective in materials or workman-

ship under normal use and service during the three year period com-

mencing with the date of manufacture. After phoning System Sensor’s

toll free number 800-SENSOR2 (736-7672) for a Return Authorization

number, send defective units postage prepaid to: System Sensor, Returns

Three-Year Limited Warranty

D140-04-00

1

I56-2191-007

© 2006 System Sensor

WIRE DEFINITIONS

RED

POWER INPUT 24 VDC (+)/24 VAC

BLACK

POWER INPUT 120 VAC

BLUE

RELAY - COMMON

YELLOW

RELAY - NORMALLY CLOSED

ORANGE

RELAY - NORMALLY OPEN

WHITE

POWER INPUT 24 VDC(–)/24 VAC/120 VAC

+

+

Non-Power
Limited

Power
Limited

Blue Wire

Yellow Wire

Orange Wire

Red Wire

Black Wire

White Wire

C0899-00

C0209-00

INSTALLATION AND MAINTENANCE INSTRUCTIONS

Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174.

Please include a note describing the malfunction and suspected cause

of failure. The Company shall not be obligated to replace units which

are found to be defective because of damage, unreasonable use, modi-

fications, or alterations occurring after the date of manufacture. In no

case shall the Company be liable for any consequential or incidental

damages for breach of this or any other Warranty, expressed or implied

whatsoever, even if the loss or damage is caused by the Company’s

negligence or fault. Some states do not allow the exclusion or limita-

tion of incidental or consequential damages, so the above limitation or

exclusion may not apply to you. This Warranty gives you specific legal

rights, and you may also have other rights which vary from state to state.

I56-
219

1-00

7

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