MODEL: MDW2A-4R

MDW2A-4R SPECIFICATIONS

ES-8215 Rev.2 Page 3/4

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

CONNECTION EXAMPLES

M-RESTER

3

4

5

7

8

6

9

1

10

2

11

Protected Device

+

–

SG

U

V

G

Surge Protector

for Power Supply

U

V

G

ALARM

OUTPUT

To Power Source

Power

Input

Grounding

*4

*4

*1

*2

*3

M-RESTER

3

4

5

7

8

6

9

1

10

2

11

Protected Device

+

–

SG

U

V

G

Surge Protector

for Power Supply

U

V

G

ALARM

OUTPUT

To Power Source

Power

Input

Grounding

*1

*2

*3

*1. No need of this part of the wiring if the cable has no shield.

*2. Ground the shield via Terminal 3 if necessary.

*3. No need of wiring to Terminal 6 if the protected device has no SG (Signal Ground) Terminal.

*4. Cross wire from the protected device’s G terminal to the surge protector’s Terminal 3.

If the protected device has no G terminal, ground only the surge protector.

■ TRIPLE-CORE CABLE

■ DUAL-CORE CABLE

GROUNDING

M-RESTER

PROTECTED

EQUIPMENT

G

G

CROSSOVER WIRE

GROUNDING

(100 ohms or less)

A crossover wire between M-RESTER ground and ground or metallic

housing of equipment is required for protection.

If the protected equipment has no ground terminal, ground the

M-RESTER only.