MODEL: MDK-24

http://www.m-system.co.jp/

MDK-24 SPECIFICATIONS

ES-8134 Rev.3 Page 1/3

Lightning Surge Protectors for

Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR

STANDARD SIGNAL LINE USE

Functions & Features

• Designed specifically for 4 – 20 mA DC line including both

4-wire and 2-wire transmitters

• Voltage & current signals up to 30 V DC

• Absorbing surges only without affecting instrumentation

signal

• Shallow depth

• DIN rail mounting

50 (1.97)

50 (1.97)

80 (3.15)

mm (inch)

MODEL: MDK-24

ORDERING INFORMATION

• Code number: MDK-24

GENERAL SPECIFICATIONS

Construction: Discrete box, front terminals; 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: DIN rail

Weight: 150 g (0.33 lbs)

PERFORMANCE

Discharge voltage (peak voltage)

Line to line: 30 V min.

Line to ground: ±290 V min.

Max. surge voltage

Line to line: 40 V max.

Line to ground: ±650 V max.

(The maximum voltage that could pass through the surge

protector. Protected equipment must be able to withstand

this voltage for a very short time period.)

Response time: ≤ 0.1 μsec.

Leakage current

Line to line: ≤ 5 μA at 30 V DC

Line to ground: ≤ 5 μA at ±290 V DC

Discharge current capacity: 5000 A (8 / 20 μsec.)

Max. load current: 100 mA

Internal series resistance: 20 Ω ±5 %

Maximum line voltage: 30 V