MODEL: MD7PL

MD7PL SPECIFICATIONS

ES-8062 Rev.7 Page 3/6

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

CONNECTION EXAMPLES

MD7PL-NFG

6

3

8

5

2

(SHLD)

DIN RAIL

DIN RAIL

ADAPTOR

Protected Device

Protected Device

+

–

7

SG

4

1

+

6

8

5

7

4

FG

Protected Side

Crossover Wire

MD7PL-NFF

DIN RAIL

DIN RAIL

ADAPTOR

Surge Side

Protected Side

Surge Side

*1. Oxide film on the surface of an aluminium rail may lower the electric conductivity between this module and the ground.

Use a steel or copper rail.

*2. Be sure to ground the DIN rail. Recommended grounding resistance ≤100Ω

*3. Cross-wire between the DIN rail and the metal housing of the protected device to equalize the earth potential.

Ground only the surge protector when the protected device has no ground terminal.

*4. Shield wiring method is an example. Proceed according to the system requirements.

*4

*2

*3

Crossover Wire*3

• MD7PL-N

MD7PL-PFG

6

3

8

5

2

(SHLD)

DIN RAIL

DIN RAIL

ADAPTOR

Protected Device

Protected Device

–

+

7

SG

4

1

–

6

8

5

7

4

FG

–

+

FG

–

+

SG

–

FG

Protected Side

Crossover Wire

MD7PL-PFF

DIN RAIL

DIN RAIL

ADAPTOR

Surge Side

Protected Side

Surge Side

*4

*2

*2

*2

*1

*1

*1

*1

*3

Crossover Wire*3

3

2

1

• MD7PL-P

■ CONNECTION DIAGRAM

Di 1

Di 2

COM

Di 1

Di 2

COM

COM

COM

Do 1

Do 1

Do 2

Do 2

+

3

2

1

SG