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installation instructions

CAP Series

Current Sensing Relays

Installation & Wiring

Mount the appropriate 11 pin octal socket (such as the Macromatic 70170-D or Custom Connector OT11-PC) in a suitable enclosure. When making 

connections to the socket, make sure to match the terminal numbers on the socket to the ones shown on the wiring diagram (the wiring diagram on the 

relay is the view looking towards the bottom of the relay vs. the top of the socket). Use one or two #12-22 solid or stranded copper or copper-clad alu-

minum conductors with terminals on Macromatic or Custom Connector sockets - a terminal tightening torque of 12 in-lbs should be used. See Product 

Setup on reverse side. 

901-0000-330

December 2020, Rev A

Troubleshooting

If the unit fails to operate properly, check that all connections are correct per the appropriate wiring diagram on the product. If problems continue, contact 

Macromatic at 800-238-7474 or e-mail [email protected] for assistance.

DC

AC

Pin #

Wiring

5 – 100mA

3.5 – 70.7mA

5

0.05 – 1A

0.035 – 0.707A

6

0.5 – 10A

0.35 – 7.07A

7

DANGER!

Potentially hazardous voltages are present.  Electrical shock can cause death or serious injury.

Installation should be done by qualified personnel following all National, State & Local Codes.

BE SURE TO REMOVE ALL POWER SUPPLYING THIS EQUIPMENT BEFORE CONNECTING OR DISCONNECTING WIRING.

READ INSTRUCTIONS BEFORE INSTALLING OR OPERATING THIS DEVICE. KEEP FOR FUTURE REFERENCE.

Présence de tensions potentiellement dangereuses. Une décharge électrique peut causer la mort ou des blessures graves.

L’installation devrait être effectuée par du personnel qualifié suivant tous les codes nationaux, provinciaux et locaux.

S’ASSURER DE SUPPRIMER TOUTE ALIMENTATION ÉLECTRIQUE DE CET ÉQUIPEMENT AVANT DE BRANCHER OU DE DÉBRANCHER LES 

CÂBLAGES.

CAP Series relays have three built-in current ranges (see below) to monitor 

both AC & DC current. Each one is easily selectable by connecting to the 

corresponding terminal and also to the COM terminal (see Wiring Diagram 

below). For example, to select a range of 0.05 – 1A DC, connect the monitored 

current wires to Pins 6 & 8:

Review Operation and Function Charts on reverse side.

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