ES-8203 Rev.10
MDP-D
Lightning Surge Protectors for
Electronics Equipment M-RESTER
LIGHTNING SURGE PROTECTOR FOR
DC POWER SUPPLY USE
Functions & Features
• Designed specifically for 12 V/24 V DC power supplies of small capacity
• Absorbs surges only without affecting instrumentation signal
• Monitor LED
Typical Applications
• DC power sources, switching regulators
• Power source for electronic devices
MODEL: MDP–D[1][2]
ORDERING INFORMATION
• Code number: MDP-D[1][2]
Specify a code from below for each [1] and [2].
(e.g. MDP-D24/A33/Q)
• Specify the specification for option code /Q
(e.g. /C01)
[1] OPERATIONAL VOLTAGE
12
: 12 V DC
24
: 24 V DC
[2] OPTIONS (multiple selections)
DIN Rail Mounting Adapter
blank
: Without
/A33
: With adapter (model A-33)
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
GENERAL SPECIFICATIONS
Construction
: Plug-in
Surge protection type
: Voltage limiting type two-port SPD
Connection
: M4 screw terminals (torque 0.8 N·m)
Screw terminal
: Nickel-plated steel
Housing material
: Flame-resistant resin (black)
Monitor LED
: Green light turns ON during the power is supplied; OFF when the voltage limiter is failed.
INSTALLATION
Power input
: Max. output current 1 A
Use a DC power source with the overload current protection.
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 140 g (0.31 lb), standard
165 g (0.36 lb), with DIN rail mounting adapter
PERFORMANCE
Max. continuous operating voltage
(Uc)
:
MDP-D12 Line to line: 14 V
MDP-D24 Line to Line: 27 V
Line to earth: ±160 V
Voltage protection level (Up)
:
MDP-D12 Line to line: 20 V
MDP-D24 Line to Line: 40 V
Line to earth: ±650 V
Response time
:
Line to line: ≤ 4 nsec.
Line to earth: ≤ 20 nsec.
Leakage current
:
MDP-D12 Line to line: ≤ 3 mA @ 14 V DC
MDP-D24 Line to line: ≤ 6 mA @ 27 V DC
Line to earth: ≤ 0.1 mA @ ±160 V DC
Max. discharge current (Imax)
: 5000 A (8 / 20 μs)
Nominal current (I
N
)
: 1.0 A
Internal series resistance
: ≤ 0.6 Ω (including return)
Surge protection
: IEC 61643-1 Class III
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
CONNECTION EXAMPLES
GROUNDING
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
MOUNTING REQUIREMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM