MODEL: KCNA

KCNA SPECIFICATIONS

ES-3557 Rev.9 Page 1/2

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

Plug-in Signal Conditioners K-UNIT

CT TRANSMITTER

(self-powered, average sensing, RMS calibrated)

Functions & Features

• Converting an alternating current from a current

transformer into a standard process signal

• Minimum ripple

• No auxiliary power source required

• 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

50

(1.97)

123

(4.84)

80

(3.15)

mm (inch)

MODEL: KCNA–[1][2][3]

ORDERING INFORMATION

• Code number: KCNA-[1][2][3]

Specify a code from below for each of [1] through [3].

(e.g. KCNA-55/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] INPUT

Current

1: 0 – 1 A AC (used within 0.1 – 1 A)

5: 0 – 5 A AC (used within 0.5 – 5 A)

[2] OUTPUT

Current

G: 0 – 1 mA DC (Load resistance 5000 Ω max.)

Voltage

3: 0 – 1 V DC (Load resistance 2000 Ω min.)

4: 0 – 10 V DC (Load resistance 20 kΩ min.)

5: 0 – 5 V DC (Load resistance 10 kΩ min.)

[3] 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: Plug-in

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Input to output

Input waveform: Sine wave

Overrange output: 10 – 120 % at 0 – 5 V

Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

Frequency: 50 or 60 Hz

Input burden: 2 VA

Overload capacity: 1000 % of rating for 3 sec., 200 % for 10

sec., 120 % continuous

Operational range: 10 – 120 % of rating

OUTPUT SPECIFICATIONS

■ OPERATION DIAGRAM

50

100

IN %

0

50

OUT %

100

10

0

Note: The described accuracy is not assured within 0 – 10%

of the rating, though output signal exists.

INSTALLATION

Operating temperature: -10 to +55°C (14 to 131°F)

Operating humidity: 30 to 85 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 200 g (0.44 lb)