MGD65 MSYSTEM | Alldatasheet
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Technical content
MODEL: MGD-65 http://www.m-system.co.jp/ MGD-65 SPECIFICATIONS ES-8212 Rev.0 Page 1/3 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 25 (.98) (3.15) 153 (6.02) mm (inch) 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 lbs) 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
MODEL: MGD-65 http://www.m-system.co.jp/ MGD-65 SPECIFICATIONS ES-8212 Rev.0 Page 2/3 CONNECTION EXAMPLES MDP-65-1 IN RACK-MOUNTED SURGE PROTECTORCURRENT LOOP SUPPLY CENTRAL STATION FIELD (PROTECTED EQUIPMENT) G S S FROM FIELD TO CENTRAL STATION – 3 CABLE G G Connection example with Ch.1 of rack-mounted surge protector and model MDP-24-1/65-1. GROUNDING M-RESTER PROTECTED EQUIPMENT GG CROSSOVER WIRE GROUNDING (100 ohms or less) A crossover wire between M-RESTER ground and ground or metallic housing of equipment is required for protection. If the protected equipment has no ground terminal, ground the M-RESTER only. EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 102 (4.02) 3 (.12) 51 (2.01) 80 (3.15) TERMINAL COVER 2–4.3 (.17) dia. MTG HOLE 7–M3.5 SCREW8 (.31) 91 (3.58) 99 (3.90 ) 25 (.98) 1 2 5 6 7 8
- When mounting, no extra space is needed between units.
MODEL: MGD-65 http://www.m-system.co.jp/ MGD-65 SPECIFICATIONS ES-8212 Rev.0 Page 3/3 MOUNTING REQUIREMENTS unit: mm (inch) 91 (3.58) 83 (2.27) 26 (1.02) ANGLE BRACKET 2–M3.5 SCREW SCHEMATIC CIRCUITRY + 1 + ch.1 + ch.2 7COM (ch.1) – Discharge Elements 20 Ω ZD ch.1 CABLE SIDE + 2 8COM (ch.2) – Discharge Elements 20 Ω ZD ch.2 EQUIPMENT SIDE GND Specifications are subject to change without notice.