MODEL: MD7DP
Lightning Surge Protectors for
Electronics Equipment M-RESTER
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
LIGHTNING SURGE PROTECTOR FOR
DC POWER SUPPLY
(max. 1.2 A; ultra-slim)
GENERAL SPECIFICATIONS
Construction: Slim-sized front terminal structure
Degree of protection: IP20
Functions & Features
• High discharge current capacity 20 kA (8/20 μs), 1 kA
(10/350 μs)
Connection: Euro terminal block (torque 0.3 N·m)
Applicable wire size: 0.2 – 2.5 mm2, stripped length 8 mm
• Ultra-thin 7-mm-wide module can be mounted
in high density
Grounding: DIN Rail
Housing material: Flame-resistant resin (black)
Monitor LED: Green LED turns ON when the voltage is
supplied; OFF when the safety fuse is blown.
• Excellent protection employing multi-stage SPD circuits
• DIN rail mounting and grounding
• Shield terminal provided
INSTALLATION
DC power supply: Max. output current 1.2 A
Caution: Use a DC power source with the overload current
protection function.
7 [.28]
Operating temperature: -25 to +85°C (-13 to +185°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: DIN Rail (TH35-7.5, 1-mm-thick)
Oxide film on the surface of an aluminium DIN rail may
lower the electric conductivity between this module and the
ground. Use a steel or copper rail.
95
[3.74]
98
[3.86]
Weight: 70 g (2.5 oz)
mm [inch]
PERFORMANCE
LINE TO LINE
LINE TO
EARTH
MODEL: MD7DP-[1][2]
MD7DP-12 MD7DP-24
Max. continuous
operating voltage (Uc)
14V
27V
160V
1200V
≤ 5µA
ORDERING INFORMATION
• Code number: MD7DP-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. MD7DP-24/Q)
Voltage protection level
(Up) @4kV (1.2 / 50 µs)
150V
170V
Leakage current @Uc
Response time
≤ 6mA
≤ 6mA
≤ 4 nsec.
≤ 4 nsec. ≤ 20 nsec.
20kA (8 / 20 µs)
• Specify the specification for option code /Q
(e.g. /C01)
Max. discharge current
(Imax)
1.0kA (10 / 350 µs)
1.2A
Nominal current (IN)
Internal series resistance
Surge protection
≤ 0.8Ω including return
IEC 61643-21 Categories C1, C2, D1
[1] NOMINAL VOLTAGE
12: 12 V DC
24: 24 V DC
STANDARDS & APPROVALS
EU conformity:
[2] OPTIONS
EMC Directive
blank: none
EMI EN 61000-6-4
/Q: With options (specify the specification)
EMS EN 61000-6-2
RoHS Directive
MD7DP SPECIFICATIONS
ES-8052 Rev.8 Page 1/2
https://www.m-system.co.jp/
