MODEL: MMH

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

MMH SPECIFICATIONS

ES-8179 Rev.3 Page 1/4

Lightning Surge Protectors for

Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR POWER SUPPLY USE

(10 – 30 A; replaceable arrester module)

Functions & Features

• Designed specifically for power requirements of medium

capacities (10 or 30 A)

• Separating the arrester module when a leak current is

detected at the module

• Relay contact and front LED turn ON in case of the

arrester module failure

• The plugin type arrester module can be easily replaced

Typical Applications

• Control panels

• Telemetering panels

• PLC panels

• Computer systems

80 (3.15)

250 (9.84)

mm (inch)

147 (5.79)

MODEL: MMH–[1][2]

ORDERING INFORMATION

• Code number: MMH-[1][2]

Specify a code from below for each [1], [2].

(e.g. MMH-130)

[1] OPERATIONAL VOLTAGE

1: 100 V/110 V AC

2: 200 V/220 V AC

[2] LOAD CURRENT

10: 10 A

30: 30 A

RELATED PRODUCTS

• Lightning surge protector for standard signal line use

(model: MMD)

•Arrester module (model: MEH)

GENERAL SPECIFICATIONS

Construction: Wall-mounted, front terminals; terminal cover

provided

Connection: M4 screw terminals (torque 1.6 N·m)

Screw terminal: Nickel-plated brass

Housing material: Steel plate t = 1.6 (black)

Monitor LED (arrester module)

•RUN: Green LED turns on in normal conditions

•ALARM: Red LED turns on in error

Alarm contact: turns ON when the arrester module (model:

MEH) is failed or extracted or when the power supply is

removed.

Rating: 110 V AC @ 1 A (cos ø = 1)

24 V DC @ 1 A (resistive load)

•Maximum switching voltage: 250 V AC or 125 V DC

•Maximum switching power: 110 VA or 24 W

•Minimum load: 12 V DC @ 10 mA

Alarm detecting current: Approx. 100 mA

INSTALLATION

Operating temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface

Weight: 3 kg (6.61 lbs)

PERFORMANCE

Operational voltage range:

90 – 120 V AC (MMH-1x)

180 – 242 V AC (MMH-2x)

50/60 Hz, 10 VA max.

AC discharge voltage (peak voltage)

Line to line:

190 V min. (MMH-1x)

410 V min. (MMH-2x)

Line to ground: 410 V min.

Maximum surge voltage (peak voltage)

Line to line:

350 V max. (MMH-1x)

700 V max. (MMH-2x)

Line to ground: 800 V max.

(Usable for those instruments which can withstand 1000 V

AC between the circuit and housing)

Note: 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: ≤ 0.01 μsec.