·Some details are not shown. Please refer to specification sheets for all information.

L2CNA

Power Transducer Series L-UNIT

CT TRANSDUCER
(dual; self-powered; average sensing; RMS calibrated)

Functions & Features
• Converting an alternating current from a current transformer into a standard process signal
• 2 transducers in one enclosure
• 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
 

MODEL: L2CNA–[1][2][3]

ORDERING INFORMATION
• Code number: L2CNA–[1][2][3]
Specify a code from below for each [1] through [3].
 (e.g. L2CNA-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: 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, between channels
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 per channel
Overload capacity: 1000 % of rating for 3 sec., 200 % for 10 sec., 120 % continuous
Operational range: 10 – 120 % of rating

OUTPUT SPECIFICATIONS

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: 300 g (0.66 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.5 % (at 23°C ±10°C or 73.4°F ±18°F,
45 – 65 Hz)
Response time: ≤ 2 sec. (0 – 100 % ±1 %)
Ripple: 1 %p-p max.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(input to output to ground, between channels)
Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV
(input to output or ground)

CONNECTION DIAGRAM

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

MOUNTING REQUIREMENTS unit: mm (inch)

MG Co., Ltd.