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TM

CURRENT MONITORING

INSTALLATION GUIDE

Solid-Core Current Switch, Adjustable Trip Point

Installer’s Specifications

Sensor Power 

Induced from the monitored conductor

Amperage Range 

0.75 to 50 A continuous*

Insulation Class 

600 VAC RMS (UL)

Frequency Range 

50/60 Hz

Temperature Range -15° to 60°C (5° to 140°F)

Humidity Range 

10-90% RH non-condensing

Hysteresis 

10% typical

Status Output 

N.O. 0.2 A@120 VAC, polarity sensitive

Off-State Resistance 

1 MΩ

On-State Resistance 20 

Ω

Terminal Block Max. Wire Size 

14 AWG

Terminal Block Torque (nom.) 

4 in-lbs (0.45 N-m)

Agency Approvals 

UL508 E150462

The product design provides for basic insulation only. 

* When operating at 50 Hz, low threshold may be 0.9 A.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

•  Follow safe electrical work practices. 

See NFPA 70E in the USA, or applicable local codes.

•  This equipment must only be installed and serviced by qualified electrical personnel.
•  Read, understand and follow the instructions before installing this product.
•  Turn off all power supplying equipment before working on or inside the equipment.
•  Use a properly rated voltage sensing device to confirm power is off.
  DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION
•  Only install this product on insulated conductors.

Failure to follow these instructions will result in death or serious injury.

DANGER

WIRING EXAMPLE

H809

TM

809

DIMENSIONS

NOTICE

•  This product is not intended for life or safety applications.

•  Do not install this product in hazardous or classified locations.

•  The installer is responsible for conformance to all applicable codes.

•  Mount this product inside a suitable fire and electrical enclosure.

INSTALLATION

Disconnect and lock out power to the enclosure containing the 

conductor to be monitored.

1.  Locate a mounting surface for the removable mounting bracket that will allow 

the monitored conductor to pass through the center window when it is installed 
and that will keep the device at least 1/2” from any uninsulated conductors. 
Determine cable routing for the controller connection, allowing wiring to reach 
the mounting location.

2.  Drill holes to mount the bracket to the chosen surface using the included screws.

3.  Wire the output connections and relay between the sensor and the controller 

(solid-state contact).

4.  Route the conductor through the sensor’s center window and slip the assembly 

into the mounting bracket.

5.  Secure enclosure and reconnect power.

6.  Calibrate sensor with load running normally.

0 0.7"

(18 mm)

0.4” x 0.2”

Slot (x2)

2.8"

(71 mm)

1.7

(43 mm)

2.3"

(58 mm)

1.1"

(27 mm)

0.9"

(23 mm)

Removable/Adjustable Mounting Bracket

Motor

Fan or Pump

DDC CONTROLLER

DI

-

+

CONTACTOR

www.

GlobalTestSupply

.com

Find Quality Products Online at:

sales@GlobalTestSupply.com

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