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M-system MMH-1, Instruction Manual, Page: 2 / 4

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M-system MMH-1 Instruction Manual Download Page 2

COMPONENT IDENTIFICATION

Terminal Assignment Label
(bottom)

Terminal Board

(power supply side)

Specification Label

Terminal Assignment Label
(top)

Body

Specification Label for MEH

Alarm LED
RUN LED

Terminal Board

(protected 

equipment side)

Power Relay

Arrester Module

(model: MEH)

 

■

FRONT PANEL CONFIGURATION 

 ARRESTER MODULE (model: MEH)

ALARM LED

RUN LED

Specification Label
for MEH (top)

The MEH’s model suffix codes change
according to the power input voltage.
Check the specification on the label.

MMH

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201  Fax: +81(6)6659-8510  E-mail: [email protected]

EM-8179  Rev.4  P. 2 / 4

Summary of Contents for MMH-1

Page 1: ...surge voltage between lines is increased up to 800V Replace the MEH with a new one as soon as possible SPECIFICATIONS BETWEEN LINES LINE TO GND MMH 1 MMH 2 Discharge voltage 130V AC min 285V AC min 285V AC min Max surge volt p p 350V max 700V max 800V max Leakage current 50mA 110V AC 30mA 220V AC 1mA 220V AC Response time 0 01 µsec Discharge current 10000A 8 20 µsec Max load current 10A MMH x10 or...

Page 2: ...ted equipment side Power Relay Arrester Module model MEH FRONT PANEL CONFIGURATION ARRESTER MODULE model MEH ALARM LED RUN LED Specification Label for MEH top The MEH s model suffix codes change according to the power input voltage Check the specification on the label MMH 5 2 55 Minamitsumori Nishinari ku Osaka 557 0063 JAPAN Phone 81 6 6659 8201 Fax 81 6 6659 8510 E mail info m system co jp EM 81...

Page 3: ...ground terminal of the protected equipment 100Ω max 6 4 3 G 5 1 2 U V B BREAKER AC POWER SOURCE Be sure to install a breaker M RESTER PROTECTED EQUIPMENT ALARM Turns on at the alarm condition 7 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 pr...

Page 4: ...s standard operation B RUN LED If the RUN LED green remains OFF when you turned the power supply ON replace the MEH C Wiring Make sure that the terminal 3 is connected to the me tallic housing of the unit and that of protected equipment D Discharge Function of the MEH Remove the MEH and test its discharge capability as fol lows Check resistance across the following terminals 3 4 3 6 4 6 infinite s...

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