MODEL: MMA

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

MMA SPECIFICATIONS

ES-8173 Rev.4 Page 1/3

Lightning Surge Protectors for

Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR

FOR POWER SUPPLY USE

(10 A; high discharge current capacity)

Functions & Features

• Designed specifically for AC power supplies up to 10 amps

• Discharge current capacity 10000 A

• Absorbing surges only without affecting instrumentation

signal

• Indicator LED turns off with surge absorber anomaly

• Fuse provided for preventing ignition caused by failure of

surge absorber

Typical Applications

• High discharge current capacity is beneficial for use in

area with frequent lightnings

U

V

G

85

(3.35)

110

(4.33)

70

(2.76)

mm (inch)

MODEL: MMA–[1]

ORDERING INFORMATION

• Code number: MMA-[1]

Specify a code from below for [1]

(e.g. MMA-100)

[1] OPERATIONAL VOLTAGE

100: 100 V / 110 V / 120 V AC, 10 A

200: 200 V / 220 V / 240 V AC, 10 A

RELATED PRODUCTS

• Lightning surge protector for standard signal line use

(model: MMD)

GENERAL SPECIFICATIONS

Construction: Wall-mounted, front terminals; terminal cover

provided

Connection: M4 screw terminals (torque 0.8 N·m)

Screw terminal: Nickel-plated steel

Housing material: Steel plate t = 1.6 (black)

Fuse: Protecting voltage limiting element

Alarm indicator: Green LED turns off when the fuse is blown.

INSTALLATION

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

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

Mounting: Surface

Weight: 640 g (1.41 lbs)

PERFORMANCE

Discharge voltage (peak voltage)

Line to line:

190 V min. (MMA-100)

410 V min. (MMA-200)

Line to ground: 680 V min.

Maximum surge voltage

Line to line:

350 V max. (MMA-100)

700 V max. (MMA-200)

Line to ground: 800 V max.

(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.

Leakage current

Line to line:

≤ 4 mA at 150 V DC (MMA-100)

≤ 4 mA at 300 V DC (MMA-200)

Line to ground: ≤ 0.1 mA at 300 V DC

Discharge current capacity: 10000 A (8/ 20 μsec.)

Maximum load current: 10 A

Internal series resistance: ≤ 0.5 Ω including return