M2CEC AC 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 with no need of a current transformer
• Clamp-on current sensor included
• Wide input range from 10A up to 600A
• Input frequency 50 / 60 / 400 Hz
• Over-voltage clamp element for safety in open circuit
• True RMS sensing
• Universal power input
• High-density mounting
Typical Applications
• Centralized monitoring and control of motors at a
supervisory panel
• Monitoring abnormal load current at motors to detect pump malfunctions
MODEL: M2CEC-[1][2][3]-[4][5]
ORDERING INFORMATION
• Code number: M2CEC-[1][2][3]-[4][5]
Specify a code from below for each [1] through [5].
(e.g. M2CEC-150A-M/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 750 Ω max.)
B: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D: 0 – 20 mA DC (Load resistance 750 Ω max.)
E: 0 – 16 mA DC (Load resistance 900 Ω max.)
F: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G: 0 – 1 mA DC (Load resistance 15 kΩ 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.)
4W: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W: -5 – +5 V DC (Load resistance 5000 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.)
R2: 11 – 27 V DC
(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[5] OPTIONS
Other Options
blank: none
/Q: Option other than the above (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: Plug-in
Connection: M3 screw terminals (torque 0.8 N·m)
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Sensor core to input to output to power
Input waveform
RMS sensing: Up to 15 % 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)
INPUT SPECIFICATIONS
Frequency: 50 / 60 / 400 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: 0 – 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 15 V max.
■ DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 1 mA max.; at ≥ 0.5 V
INSTALLATION
Power Consumption
•AC:
Approx. 3 VA at 100 V
Approx. 4 VA at 200 V
Approx. 5 VA at 264 V
•DC: Approx. 3 W
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.5 % (±1.0 % at 400 Hz)
Temp. coefficient: ±0.05 %/°C (±0.03 %/°F)
Response time: ≤ 0.7 sec. (0 – 90 %)
Ripple: 0.5 %p-p max. (50/60 Hz)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute
(input to output to power to ground)
1000 V AC @1 minute
(sensor core to sensor output)
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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