ES-8212 Rev.1

MGD-65

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
STANDARD SIGNAL LINE & PULSE USE

(65 V DC; rack mounted)
Functions & Features
• Designed specifically for 4 – 20 mA DC and pulse signal line including both 4-wire and 2-wire transmitters
• Absorbing surges only without affecting instrumentation signal
• Rack-mounted
• Two channels in one housing

MODEL: MGD–65

ORDERING INFORMATION

• Code number: MGD-65

GENERAL SPECIFICATIONS

Construction: Rack-mounted; terminal access via screw terminals at the front; terminal cover provided
Connection: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)

INSTALLATION

Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Rack-mounted; Standard Rack Mounting Frame BX-16G available
Weight: 200 g (0.44 lb)

PERFORMANCE

Discharge voltage (peak voltage)
Line to line: 70 V min.
Line to ground: ±500 V max.
Maximum surge voltage
Line to line: 80 V max.
Line to ground: ±650 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: ≤ 5 μA @ 70 V DC
Line to ground: ≤ 5 μA @ ±140 V DC
Max. discharge current (Imax): 1000 A (8/ 20 μsec.)
Max. load current: 100 mA
Internal series resistance: Approx. 20 Ω including return
Maximum line voltage: 70 V

CONNECTION EXAMPLES

GROUNDING

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

MOUNTING REQUIREMENTS unit: mm [inch]

■ ANGLE BRACKET