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

MDP-LC

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
STRAIN GAUGE USE

Functions & Features
• Designed to protect strain gauge transmitters from lightning surge damage that enters on the wiring between the strain gauge and the transmitter
• Absorbs surges only without affecting instrumentation signal
• No interruption of signal by unplugging the protector element

MODEL: MDP–LC[1]

ORDERING INFORMATION
• Code number: MDP-LC[1]
 Specify a code from below for [1].
 (e.g. MDP-LC/A33/Q)
• Specify the specification for option code /Q
 (e.g. /C01)

[1] OPTIONS (multiple selections)
DIN Rail Mounting Adapter
blank: Without
/A33: With adapter (model A-33)
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
Construction: Plug-in
Connection: M4 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)

INSTALLATION
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 100 g (0.22 lb), standard; 125 g (0.28 lb), with DIN rail mounting adapter

PERFORMANCE
Max. continuous operating voltage (Uc): 
 Output side: ±0.3 V 
 Excitation side: 15 V 
 Line to earth: ±15 V
Voltage protection level (Up):
• @ Imax
 Output side: ±15 V 
 Excitation side: 30 V 
 Line to earth: ±30 V
Response time: ≤ 5 nsec.
Leakage current:
 Output side: ≤ 0.2 μA @ ±0.3 V DC
 Excitation side: ≤ 2 μA @ 15 V DC
 Line to earth: ≤ 2 μA @ ±15 V DC
Max. discharge current (Imax)
 Output side: 100 A (8/20 μs), 25 A (10/1000 μs)
 Excitation side: 50 A (8/20 μs), 25 A (10/1000 μs)
 Line to earth: 50 A (8/20 μs), 25 A (10/1000 μs)
Capacitance @ 1 MHz:
 Output side: ≤ 100 pF
 Excitation side: ≤ 4 nF
 Line to earth: ≤ 2 nF
Surge protection: IEC 61643-21 Categories C3

CONNECTION EXAMPLES

GROUNDING

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

MOUNTING REQUIREMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.