M5CTC - CURRENT TRANSMITTER
(clamp-on current sensor)
Functions & Features
• Converts an alternating current into a standard process signal
• Easy-to-install clamp-on type current sensor without needing a current transformer
• Clamp-on current sensor included
• Wide input range from 10 A up to 600 A
• True RMS sensing
• High-density mounting
• Power LED
Typical Applications
• Centralized monitoring and control of motors at a supervisory panel
• Monitoring abnormal load current at motors to detect pump malfunctions
MODEL: M5CTC–[1][2][3]–[4][5]
ORDERING INFORMATION
• Code number: M5CTC-[1][2][3]-[4][5]
Specify a code from below for each [1] through [5].
(e.g. M5CTC-150A-R/Q)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[1] SENSOR
1: Leadwire type CLSA
2: Screw terminal type CLSB
[2] INPUT
10: 0 – 10 A AC
15: 0 – 15 A AC
20: 0 – 20 A AC
30: 0 – 30 A AC
40: 0 – 40 A AC
50: 0 – 50 A AC
60: 0 – 60 A AC
75: 0 – 75 A AC
100: 0 – 100 A AC
125: 0 – 125 A AC
150: 0 – 150 A AC
175: 0 – 175 A AC
200: 0 – 200 A AC
225: 0 – 225 A AC
250: 0 – 250 A AC
300: 0 – 300 A AC
350: 0 – 350 A AC
400: 0 – 400 A AC
500: 0 – 500 A AC
600: 0 – 600 A AC (Not selectable with the sensor type
code 1 'Leadwire type CLSA')
[3] OUTPUT
Current
A: 4 – 20 mA DC (Load resistance 550 Ω max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
4: 0 – 10 V DC (Load resistance 1000 Ω min.)
5: 0 – 5 V DC (Load resistance 500 Ω min.)
6: 1 – 5 V DC (Load resistance 500 Ω min.)
4W: -10 – +10 V DC (Load resistance 8000 Ω min.)
5W: -5 – +5 V DC (Load resistance 4000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
[4] POWER INPUT
AC Power
M: 85 – 264 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[5] 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
ACCESSORIES
The clamp-on current sensor is included in the product package.
■ CLAMP-ON CURRENT SENSOR (leadwire type CLSA)
• 0 – 10 A through 0 – 75 A Use
Sensor model No.: CLSA-08
Sensor cable model No.: CLSA-08C-30
Applicable cable diameter: Max. 10.0
Sensor leadwire: AWG 22
Weight: 45 g (1.6 oz)
• 0 – 100 A Use
Sensor model No.: CLSA-12
Sensor cable model No.: CLSA-08C-30
Applicable cable diameter: Max. 16.0
Sensor leadwire: AWG 22
Weight: 70 g (2.5 oz)
• 0 – 125 A through 0 – 300 A Use
Sensor model No.: CLSA-30
Applicable cable diameter: Max. 24.0
Sensor leadwire: AWG 18, 200 mm
Weight: 200 g (7.1 oz)
• 0 – 350 A through 0 – 500 A Use
Sensor model No.: CLSA-50
Applicable cable diameter: Max. 36.0
Sensor leadwire: AWG 18, 200 mm
Weight: 300 g (10.6 oz)
■ CLAMP-ON CURRENT SENSOR (screw terminal type CLSB)
Connection: M3 screw terminal (torque 0.5 N·m)
Screw terminal: Nickel-plated steel
Output wiring: Use AWG22 or thicker wires for the output. Twist the paired wires, extendable up to 30 meters.
• 0 – 10 A through 0 – 50 A Use
Sensor model No.: CLSB-05
Applicable cable diameter: Max. 10.0
Weight: 45 g (1.6 oz)
• 0 – 60 A through 0 – 100 A Use
Sensor model No.: CLSB-10
Applicable cable diameter: Max. 16.0
Weight: 80 g (2.8 oz)
• 0 – 125 A through 0 – 200 A Use
Sensor model No.: CLSB-20
Applicable cable diameter: Max. 24.0
Weight: 200 g (7.1 oz)
• 0 – 225 A through 0 – 400 A Use
Sensor model No.: CLSB-40
Applicable cable diameter: Max. 35.0
Weight: 300 g (10.6 oz)
• 0 – 500 A through 0 – 600 A Use
Sensor model No.: CLSB-60
Applicable cable diameter: Max. 35.0
Weight: 360 g (12.7 oz)
Note 1: The output values may vary depending on the accuracy of engagement at the clamp connection.
Note 2: The sensor is detachable up to 100 times (approx.).
Note 3: The sensor’s mechanical construction may cause it to generate resonance sound. However, it does not affect the performance of the sensor.
GENERAL SPECIFICATIONS
Construction: Terminal block
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: Sensor core to input or output to power
Input waveform
RMS sensing: Up to 15 % of 3rd harmonic content
Overrange output: Approx. 0 to 110 % at 1 – 5 V
Zero adjustment: -2 to +2 % (front)
Span adjustment: 98 to 102 % (front)
Power LED: Green LED turns on when the power is supplied.
INPUT SPECIFICATIONS
Frequency: 50 / 60 Hz
Overload capacity
CLSA - 08: 120 A continuous
CLSA - 12: 300 A continuous
CLSA - 30: 360 A continuous
CLSA - 50: 600 A continuous
CLSB - 05: 100 A continuous
CLSB - 10: 200 A continuous
CLSB - 20: 300 A continuous
CLSB - 40: 600 A continuous
CLSB - 60: 720 A continuous
Operational range: 5 – 120 % of rating
Be sure that the input voltage is of 440 V or less.
OUTPUT SPECIFICATIONS
■ DC Current: 0 – 20 mA DC
Minimum span: 1 mA
Offset: Max. 1.5 times span
Load resistance: Output drive 11 V max.
■ DC Voltage: 0 – 10 V DC
Minimum span: 1 V
Offset: Max. 1.5 times span
Load resistance: Output drive 10 mA max.; at ≥ 1 V
INSTALLATION
Power Consumption
•AC:
Approx. 2 VA at 100 V
Approx. 3 VA at 200 V
Approx. 3 VA at 264 V
•DC: Approx. 2 W
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 0 to 90 %RH (non-condensing)
Mounting: DIN rail
Weight: 80 g (2.8 oz)
PERFORMANCE in percentage of span
Accuracy: ±0.5 % with input 5 – 100 %
(Input 10 – 100 % for the output codes 4W and 5W)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Ripple: 0.5 %p-p max.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength
DC powered:
2000 V AC @1 minute (input or output to power to ground)
1000 V AC @1 minute (sensor core to sensor output)
AC powered:
1500 V AC @1 minute (input or output to power to ground)
1000 V AC @1 minute (sensor core to sensor output)
FRONT VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Việt Nam Email: Sales@m-system.com.vn
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