ES-8183 Rev.1
MH-2203
Lightning Surge Protectors for
Electronics Equipment M-RESTER
LIGHTNING SURGE PROTECTOR FOR
POWER SUPPLY USE
(200 V / 220 V / 240 V AC, 3-phase)
Functions & Features
• Designed for installation where AC power enters the control panel for relatively large power consuming equipment such as large instrumentation panels, computer systems or telemetering systems in central control rooms or operation centers
• Composed of air-core reactors, large capacity discharge elements and electromagnetic contactors
• Thermal fuse in parallel with the discharge element opens and cuts off the operating circuit for the electromagnetic contactor in case of discharge elements failure, thus protecting the equipment connected to the arrester
MODEL: MH–2203
ORDERING INFORMATION
• Code number: MH-2203
GENERAL SPECIFICATIONS
Connection
Primary side
: M12 screw terminals
Secondary side
: M10 screw terminals
Screw terminal
: Nickel-plated brass
Housing material
: Steel plate t = 1.6 (black)
INSTALLATION
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface
Weight
: 45 kg (99.2 lb)
PERFORMANCE
Discharge voltage (peak voltage)
Line to line: 380 V min.
Line to ground: 410 V min.
Maximum surge voltage
Line to line: 700 V max.
Line to ground: 700 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
: ≤ 0.1 μsec.
Leakage current
Line to line: ≤ 1 A (at rated voltage, including relay coil current)
Line to ground: ≤ 1 mA at 300 V DC
Discharge current capacity:
10000 A (8/ 20 μsec.)
Maximum load current
: 200 A
Voltage drop
: ≤ 2 V (50/60 Hz)
Rated line voltage
: 200 V / 220 V / 240 V AC
CONNECTION EXAMPLES
GROUNDING
DIMENSIONS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM