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5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: 

+81(6)6659-8510  E-mail: [email protected]

EM-1965  Rev.1  P. 1 / 3

INSTRUCTION MANUAL

TRIPLE AC CURRENT TRANSDUCER

MODEL

L3CK

BEFORE USE ....

Thank you for choosing M-System.  Before use, please check 
contents of the package you received as outlined below.
If you have any problems or questions with the product, 
please contact M-System’s Sales Office or representatives.

 

PACKAGE INCLUDES:

Signal conditioner ...............................................................(1)

 

MODEL NO.

Confirm Model No. marking on the product to be exactly 
what you ordered.

 

INSTRUCTION MANUAL

This manual describes necessary points of caution when 
you use this product, including installation, connection and 
basic maintenance procedures.

POINTS OF CAUTION

 

AUXILIARY POWER INPUT RATING & OPERATIONAL 

RANGE

• 

Locate the auxiliary power input rating marked on the 
product and confirm its operational range as indicated 
below:

  100 – 120V AC rating: 85 – 132V, 47 – 66 Hz, approx. 3.5VA
  200 – 240V AC rating: 170 – 264V, 47 – 66 Hz, approx. 3.5VA
  24V, 48V DC rating: Rating ±10%, approx. 3.5W

 

GENERAL PRECAUTIONS

• 

Before you remove the unit or mount it, turn off the power 
supply and input signal for safety.

 

ENVIRONMENT

• 

Indoor use.

• 

When heavy dust or metal particles are present in the 
air, install the unit inside proper housing with sufficient 
ventilation.

• 

Do not install the unit where it is subjected to continuous 
vibration.  Do not subject the unit to physical impact.

• 

Environmental temperature must be within -10 to +55°C 
(14 to 131°F) with relative humidity within 30 to 85% RH 
in order to ensure adequate life span and operation.

 

WIRING

• 

Do not install cables close to noise sources (relay drive 
cable, high frequency line, etc.).

• 

Do not bind these cables together with those in which 
noises are present.  Do not install them in the same duct.

 

AND ....

• 

The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for 
satisfying complete performance described in the data 
sheet.

COMPONENT IDENTIFICATION

Zero Adj.

Specifications

Connection Diagram

Body

Zero Adj.

• Channel 

1

Span Adj.

Span Adj.

• Channel 

2

Zero Adj.

• Channel 

3

Span Adj.

INSTALLATION

 

DIN RAIL MOUNTING

Set the unit so that its DIN rail adaptor is at the bottom.  
Position the upper hook at the rear side of the unit on the 
DIN rail and push in the lower.  When removing the unit, 
push down the DIN rail adaptor utilizing a screwdriver (–) 
and pull.

DIN Rail

35mm wide

Spring Loaded

DIN Rail Adaptor

 

WALL MOUNTING  unit: mm (inch)

2–M5

60 (2.36)

60 (2.36)

M5 SCREWS

2–M4

60 (2.36)

50 (1.97)

M4 SCREWS

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