ES-8222 Rev.7

MDP-24T

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
STANDARD SIGNAL LINE & PULSE USE

(photovoltaic system, instrument shelter)
Functions & Features
• Designed specifically for 4 – 20mA DC and
pulse signal line including both 4-wire and 2-wire transmitters
• Absorbs surges only without affecting instrumentation signal
• No interruption of signal by unplugging surge protector element
Application Examples
• Protects two-wire transmission lines
• Protects electronic instruments’ I/O

MODEL: MDP–24T[1]

ORDERING INFORMATION

• Code number: MDP-24T[1]
Specify a code from below for [1].
(e.g. MDP-24T/A33/Q)
• Specify the specification for option code /Q
(e.g. /C01)

[1] 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
Connection: M4 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)

INSTALLATION

Operating temperature: -20 to +80°C (-4 to +176°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight:
120 g (0.26 lb), standard
145 g (0.32 lb), with DIN rail mounting adapter
Capacitance (reference value) @ 1 MHz:
Line to line: 2000 pF
Line to earth: 100 pF

PERFORMANCE

Max. continuous operating voltage (Uc):
Line to line: 30 V
Line to earth: ±140 V
Voltage protection level (Up):
• @ 1 kV (100 A)
Line to line: 40 V
Line to earth:  ±650 V
• @ 2 kV (1 kA)
Line to line: 45 V
Line to earth: ±800 V
Response time:
Line to line: ≤ 4 nsec.
Line to earth: ≤ 20 nsec.
Leakage current:
Line to line: ≤ 30 μA @ 30 V DC
Line to earth: ≤ 5 μA @ ±140 V DC
Max. discharge current (Imax): 5000 A (8 / 20 μs)
Nominal current (I_N): 100 mA
Internal series resistance: 20 Ω ±10 % (including return)
Surge protection: IEC 61643-21 Categories C1, C2, D1