ES-8232 Rev.9

MDP-4R

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
RS-485 / RS-422

Functions & Features
• Designed specifically for the network
• No interruption of transmission signal by unplugging the head element module

MODEL: MDP–4R[1]

ORDERING INFORMATION

• Code number: MDP-4R[1]
Specify a code from below for [1].
(e.g. MDP-4R/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 our 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):
B to C: ±5 V
B or C to A: 5 V
Line to earth: ±140 V
Voltage protection level (Up):
• @ 2 kV (1 kA)
2 to 3: ±20 V
2 or 3 to 1: 20 V
Line to earth: ±500 V
Response time:
Line to line: ≤ 4 nsec.
Line to earth: ≤ 20 nsec.
Leakage current:
B to C: ≤ 0.2 mA @ ±5 V DC
B or C to A: ≤ 0.2 mA @ 5 V DC
Line to earth: ≤ 10 μA @ ±140 V DC
Max. discharge current (Imax): 5000 A (8 / 20 μs)
Nominal current (I_N): 100 mA
Internal series resistance: Approx. 4.5 Ω including return
Capacitance @ 1 MHz:
Line to line: ≤ 1000 pF
Line to earth: ≤ 100 pF
Input attenuation: -0.5 dB or less @ DC to 2.0 MHz, Zo = 110 Ω
Surge protection: IEC 61643-21 Categories C1, C2