ES-8184 Rev.2

MMAH

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR
FOR POWER SUPPLY USE

(10 A; high speed/high discharge current capacity)
Functions & Features
• Designed specifically for AC power supplies up to 10 A
• Discharge current capacity 20000 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

MODEL: MMAH–[1]

ORDERING INFORMATION

• Code number: MMAH-[1]
Specify a code from below for [1].
(e.g. MMAH-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 arrester for standard signal line (model: MMDH-24)

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 lb)

PERFORMANCE

Discharge voltage (peak voltage)
Line to line:
190 V min. (MMAH-100)
410 V min. (MMAH-200)
  Line to ground:  680 V min.
Maximum surge voltage
Line to line:
400 V max. (MMAH-100)
  750 V max. (MMAH-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: 4 nsec.
Leakage current
  Line to line:
    ≤ 4 mA at 150 V DC (MMAH-100)
≤ 4 mA at 300 V DC (MMAH-200)
Line to ground: ≤ 0.1 mA at 300 V DC
Discharge current capacity: 20000 A (8 / 20 μsec.)
Maximum load current: 10 A
Internal series resistance: ≤ 0.5 Ω including return

CONNECTION EXAMPLES

GROUNDING

DIMENSIONS unit: mm (inch)

MOUNTING REQUIREMENTS unit: mm [inch]