MODEL: L3CK

http://www.m-system.co.jp/

L3CK SPECIFICATIONS

ES-1965 Rev.4 Page 1/3

Power Transducer Series L-UNIT

TRIPLE AC CURRENT TRANSDUCER

Functions & Features

• Converting an alternating current from a current

transformer into a standard process signal

• 3 transducers housed in one enclosure

• Minimum ripple

• Isolation up to 2000 V AC

• High-density mounting

Typical Applications

• Centralized monitoring and control of motors, pumps or

heaters by DCS

• Monitoring power line and power supply current

75

(2.95)

112

(4.41)

75

(2.95)

mm (inch)

MODEL: L3CK–[1][2]–[3][4]

ORDERING INFORMATION

• Code number: L3CK–[1][2]-[3][4]

Specify a code from below for each [1] through [4].

(e.g. L3CK-5A-K3/Q)

• Special output range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] INPUT

Current

1: 0 – 1 A AC

5: 0 – 5 A AC

[2] OUTPUT

Current

A: 4 – 20 mA DC (Load resistance 500 Ω max.)

D: 0 – 20 mA DC(Load resistance 500 Ω max.)

E: 0 – 16 mA DC (Load resistance 625 Ω max.)

F: 0 – 10 mA DC (Load resistance 1000 Ω max.)

G: 0 – 1 mA DC (Load resistance 10 kΩ max.)

J: 0 – 5 mA DC (Load resistance 2000 Ω max.)

Z: Specify current (See OUTPUT SPECIFICATIONS)

Voltage

1: 0 – 10 mV DC (Load resistance 10 kΩ min.)

2: 0 – 100 mV DC (Load resistance 100 kΩ min.)

3: 0 – 1 V DC (Load resistance 1000 Ω min.)

4: 0 – 10 V DC (Load resistance 10 kΩ min.)

5: 0 – 5 V DC (Load resistance 5000 Ω min.)

6: 1 – 5 V DC (Load resistance 5000 Ω min.)

0: Specify voltage (See OUTPUT SPECIFICATIONS)

[3] AUXILIARY POWER SUPPLY

AC Power

K3: 100 – 120V AC

(Operational voltage range 85 - 132 V, 47 - 66 Hz)

L3: 200 – 240V AC

(Operational voltage range 170 - 264 V, 47 - 66 Hz)

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

V: 48 V DC

(Operational voltage range 48 V ± 10 % , ripple 10 % p-p max.)

[4] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Stand-alone; terminal access at the front

Connection: M3.5 screw terminals (torque 0.8 N·m)

Screw terminal: Nickel-plated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Input to output to auxiliary power, between the

outputs

Input waveform

RMS sensing: Up to 5 % of 3rd harmonic content

Overrange output: 0 to 120 % at 1 – 5 V

Zero adjustment: -5 to +5 % (front)

Span adjustment: 95 to 105 % (front)