MODEL: MD-INS

MD-INS SPECIFICATIONS

ES-8109 Rev.8 Page 1/3

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

Lightning Surge Protectors for

Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR

ISDN CIRCUIT USE

Functions & Features

• Designed specifically to protect devices connected to

ISDN circuit from lightning surges

DSU

LINE

26 [1.02]

93 [3.66]

mm [inch]

137 [5.39]

MODEL: MD-INS

ORDERING INFORMATION

• Code number: MD-INS

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection

ISDN circuit: Modular jack or M3.5 screw terminals

(torque 0.8 N·m)

Grounding: M3.5 screw terminals

(torque 0.8 N·m)

Modular jack cord: 6-pole, 2-core

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; Standard Rack Mounting

Frame BX-16H available

Weight: 150 g (0.33 lb)

PERFORMANCE

Discharge voltage (peak voltage)

Line to line: ±65 V min.

Line to ground: ±290 V min.

Maximum surge voltage

Line to line: ±100 V max.

Line to ground: ±650 V max.

(The maximum voltage that could pass through M-RESTER.

Protected equipment must be able to withstand this voltage

for very short time period.)

Response time: ≤ 0.1 μsec.

Leakage current

Line to line: ≤ 50 μA at ±65 V DC

Line to ground: ≤ 50 μA at ±140 V DC

Discharge current capacity

Modular jack connection: 500 A (8 / 20 μsec.)

Screw terminal connection: 10000 A (8 / 20 μsec.)

Max. load current: 100 mA

Internal series resistance: Approx. 4 Ω including return

Maximum line voltage: ±65 V

STANDARDS & APPROVALS

EU conformity:

RoHS Directive