MDM2AT-65-R datasheet(2/3 Pages) MSYSTEM

2 / 3 page

MODEL: MDM2AT

MDM2AT SPECIFICATIONS

ES-8229 Rev.3 Page 2/3

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

Line to earth: ≤ 5 μA @ max. voltage

Discharge current capacity: 5000 A (8 / 20 μsec.)

Max. load current: 100 mA

Insulation resistance: ≥ 100 MΩ with 500 V DC

(surge protector circuit to alarm output to power)

Dielectric strength: 2000 V AC @ 1 minute (surge protector

circuit to alarm output to power)

Internal series resistance: 20 Ω ±10 % (including return)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

Low Voltage Directive

EN 61010-1

Measurement Category II (alarm output)

Installation Category II (power)

Pollution degree 2

Surge protector circuit to power:

Reinforced insulation (300 V)

RoHS Directive

CAUTION

Before replacing the unit, make sure to turn off the power

supply for safety. Other factors such like an alarm system

connected to the line should also be considered.

The life monitoring circuit remains alive by the internal

backup circuit even when the external power supply is

removed. The LED is turned off in that case.

CONNECTION EXAMPLES

M-RESTER

4 – 20mA

Protected Equipment

Surge Protector

for Power Supply Line

To POWER

SOURCE

ALARM OUTPUT

PWR

(+)

(–)

Crossover

Wiring

Crossover Wiring

Be sure to cross-wire as indicated above.

Grounding

(100Ω or less)

CABLE SIDE

(surge side)

–

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