MODEL: LPNA
Power Transducer Series L-UNIT
[3] OPTIONS
blank: none
/Q: With options (specify the specification)
PT TRANSDUCER
(self-powered, average sensing, RMS calibrated)
Functions & Features
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
• Converting an alternating voltage from a potential
(voltage) transformer into a standard process signal
• Minimum ripple
/C02: Polyurethane coating
• No auxiliary power source required
• Isolation up to 2000 V AC
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel
• High-density mounting
Typical Applications
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
• Centralized monitoring and control of power line and
power supply voltages measured at switch boards
• Monitoring abnormal voltage drops for detecting overload
Housing material: Flame-resistant resin (black)
Isolation: Input to output
75
(2.95)
Input waveform: Sine wave
Overrange output: 60 – 120 % at 0 – 5 V
Span adjustment: 95 to 105 % (front)
75
(2.95)
INPUT SPECIFICATIONS
Frequency: 50 or 60 Hz
112
(4.41)
mm (inch)
Input burden: 2 VA
Overload capacity: 150 % of rating for 10 sec., 120 %
continuous
Operational range: 60 – 120 % of rating
MODEL: LPNA–[1][2][3]
OUTPUT SPECIFICATIONS
■ OPERATION DIAGRAM
ORDERING INFORMATION
• Code number: LPNA–[1][2][3]
Specify a code from below for each [1] through [3].
(e.g. LPNA-55/Q)
OUT %
100
• Specify the specification for option code /Q
(e.g. /C01/S01)
50
0
0
50 (60)
100
IN %
[1] INPUT
Voltage
Note: The described accuracy is not assured within 0 – 60%
of the rating, though output signal exists.
5: 0 – 150 V AC (used within 90 – 150 V)
6: 0 – 300 V AC (used within 180 – 300 V)
INSTALLATION
[2] OUTPUT
Current
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 85 %RH (non-condensing)
Mounting: Surface or DIN rail
G: 0 – 1 mA DC (Load resistance 5000 Ω max.)
Voltage
Weight: 200 g (0.44 lb)
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.)
http://www.m-system.co.jp/
LPNA SPECIFICATIONS
ES-1974 Rev.12 Page 1/2