MD-DNS LIGHTNING SURGE PROTECTOR FOR DeviceNet

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Detail

·Some details are not shown. Please refer to specification sheets for all information.

MD-DNS

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR DeviceNet
Load capacity 2 A

Functions & Features
•Designed specifically to protect devices connected to DeviceNet from lightning surges

MODEL: MD–DNS

ORDERING INFORMATION
• Code number: MD-DNS

GENERAL SPECIFICATIONS
Construction: Stand-alone
Connection: Euro type connector terminal
Applicable wire size: 0.2 to 2.5 mm2, stripped length 10 mm
Housing material: Flame-resistant resin (black)
Alarm indicator: Surge absorber failure indicator turns white when the fuse is blown.
Alarm relay contact: Turns on in an abnormality of surge absorber element (when the safety fuse is blown).
Rating: 30 V DC @ 0.5 A (resistive load)
Max. switching voltage: 125 V AC/DC
Max. switching power: 25 VA
Min. load: 5 V DC @ 1 mA

ODVA approval: Not approved (No relevant product category exists for surge protectors.)

INSTALLATION
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)
Number of modules: Max. 4 modules per network

PERFORMANCE
Discharge voltage (peak voltage)
 Signal line
  Line to line: ±5 V min.
  Line to ground: ±280 V min.
• Power line
  Line to line: 26 V min.
  Line to ground: ±280 V min.
• Drain
  Line to ground: ±280 V min.
Maximum surge voltage
(The maximum voltage that could pass through M-RESTER. Protected equipment must be able to withstand this voltage for very short time period.)
• Signal line
  Line to line: ±18 V max.
  Line to ground: ±800 V max.
• Power line
  Line to line: 120 V min.
  Line to ground: ±650 V max.
• Drain
  Line to ground
: ±800 V max.
Response time: ≤ 0.1 μsec.
Leakage current
• Signal line: ≤ 0.3 mA at ±5 V DC
• Power line: ≤ 0.3 mA at 26 V DC
• Line to ground: ≤ 20 μA at ±280 V DC
Discharge current capacity: 1500 A
Maximum load current
• Signal line: 100 mA
• Power line: 2 A
Internal series resistance
• Signal line: 2 Ω × 2
• Power line: ≤ 0.2 Ω
Maximum line voltage
• Signal line: ±5 V
• Power line: 26 V
Capacitance
• Signal line: Approx. 25 pF @ 100 kHz
• Line to ground: Approx. 25 pF @ 100 kHz

CONNECTION EXAMPLES

DIMENSIONS unit: mm (inch)

SCHEMATIC CIRCUITRY

M-System Co., Ltd.

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