MODEL: MDP-4R

MDP-4R SPECIFICATIONS

ES-8232 Rev.8 Page 1/4

http://www.m-system.co.jp/

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 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):

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)

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