LTCNE MSYSTEM | Alldatasheet

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Technical content

MODEL: LTCNE LTCNE SPECIFICATIONS ES-3352 Rev.8 Page 1/3 http://www.m-system.co.jp/ Power Transducer Series LT-UNIT AC CURRENT TRANSDUCER (self-powered, RMS sensing) Functions & Features

  • Converts 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
  • Conforms to IEC 60688 Typical Applications
  • Centralized monitoring and control of motors, pumps or heaters by DCS
  • Monitoring power line and power supply current (1.54) 143 (5.63) 111 (4.37) mm (inch) MODEL: LTCNE–[1][2][3]

ORDERING INFORMATION

  • Code number: LTCNE–[1][2][3] Specify a code from below for each of [1] through [3]. (e.g. LTCNE-1G/T/Q)
  • Specify the specification for option code /Q (e.g. /C01) [1] INPUT Current 1: 0 – 1 A AC (used within 0.1 – 1 A) 2: 0 – 2A AC (used within 0.2 – 2 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 (multiple selections) Terminal Cover blank: Without /T: With Other Options blank: none /Q: Option other than the above (specify the specification) SPECIFICATIONS OF OPTION: Q COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating GENERAL SPECIFICATIONS Connection: M4 screw terminals (torque 1.2 N·m) Screw terminal: Chrome-plated steel Housing material: Flame-resistant resin (black) Isolation: Input to output Input waveform: Up to 15 % of 3rd harmonic content Overrange output: 10 – 120 % at 0 – 5 V Span adjustment: 95 to 105 % (front) INPUT SPECIFICATIONS Frequency: 50 or 60 Hz Operational range: 10 – 120 % of rating Overload capacity: 4000 % of rating for 1 sec., 2000 % for 4 sec., 120 % continuous Input burden: 2 VA CURRENT [%] 2000 4000

0 TIME [s]

  • Overload Capacity

MODEL: LTCNE LTCNE SPECIFICATIONS ES-3352 Rev.8 Page 2/3 http://www.m-system.co.jp/ OUTPUT SPECIFICATIONS ■ OPERATION DIAGRAM 50 100 IN % OUT % 100 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: 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) Magnetic field (ext. origin) effect: ± 0.5 % (400 A/m) Response time: ≤ 2 sec. (0 – 100 % ±1 %) Ripple: 0.5 %p-p max. Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute (input to output to ground) Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV (input to output or ground) CONNECTION DIAGRAM LOAD SOURCE CT L K OUTPUT k l

MODEL: LTCNE LTCNE SPECIFICATIONS ES-3352 Rev.8 Page 3/3 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 6 7 1 2 3 DIN RAIL 35mm wide 8 (.31)27 (1.06) 39 (1.54)

  • When mounting, no extra space is needed between units. 98 (3.86) 80 (3.15) 111 (4.37) 2–M4 MTG HOLE 7–M4 SCREW10 (.39) (.12) TERMINAL COVER (option /T) Specifications are subject to change without notice.