ES-8180 Rev.4

MAH

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR
FOR POWER SUPPLY USE

(20 A)
Functions & Features
• Designed specifically for power requirements of medium capacities (20 amps)
• Protecting electronic equipment from lightning surges that enter through power supply circuits
• Discharge current capacity 10000 A
• Surge absorber failure indicated with LED
• Detaching the discharge elements from the power supply circuits when fuses are blown
Typical Applications
• Computers and other electronic devices
• Control and telemetering systems

MODEL: MAH–[1]

ORDERING INFORMATION

• Code number: MAH–[1]
Specify a code from below for [1].
(e.g. MAH-223)

[1] OPERATIONAL VOLTAGE

121: Single phase 2-wire, 100 V / 110 V / 120 V AC
221: Single phase 2-wire, 200 V / 220 V / 240 V AC
123: Single phase 3-wire, 100 V / 110 V / 120 V AC
(Phase voltage (line-neutrality))
223: Three phase 3-wire, 200 V / 220 V / 240 V AC

GENERAL SPECIFICATIONS

Construction: Stand-alone; terminal access at the front
Connection: M4 screw terminals (torque 1.6 N·m)
Screw terminal: Nickel-plated brass
Housing material: Steel plate t = 1.6 (black)
Alarm indicator LED: Red lights turn ON with power supplied; OFF at error

INSTALLATION

Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface
Weight: 2 kg (4.4 lb)

PERFORMANCE

Response time: ≤ 0.1 μsec.
Discharge current capacity: 10000 A (8/ 20 μsec.)
Maximum load current: 20 A
Voltage drop: ≤ 1 V (50/60 Hz)