MMAH MSYSTEM | Alldatasheet
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Technical content
MODEL: MMAH http://www.m-system.co.jp/ MMAH SPECIFICATIONS ES-8184 Rev.1 Page 1/3 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 U V G (3.35) 110 (4.33) (2.76) mm (inch) 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 lbs) 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
MODEL: MMAH http://www.m-system.co.jp/ MMAH SPECIFICATIONS ES-8184 Rev.1 Page 2/3 CONNECTION EXAMPLES MMDH-24 4 – 20mA DC MMAH-100 MMAH-200BREAKER Be sure to install the breaker. V U v u AC Source V U G G G EQUIP- MENT 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. DIMENSIONS unit: mm (inch) 50 (1.97) 110 (4.33) 70 (2.76) 20 (.79) 65 (2.56) 77 (3.03) 85 (3.35) 8 (.31) U V G u v 4–4 (.16) dia. SURGE SIDE PROTECT SIDE ALM MOUNTING REQUIREMENTS unit: mm (inch) 50 (1.97) 77 (3.03) 90 (3.54) min. 77 (3.03) 4–M3 SCREW
MODEL: MMAH http://www.m-system.co.jp/ MMAH SPECIFICATIONS ES-8184 Rev.1 Page 3/3 SCHEMATIC CIRCUITRY TO CABLE U u vV TO EQUIP- MENT Discharge Elements Voltage Limiting Circuit Indi- cator circuit G ALM Specifications are subject to change without notice.