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

MD7PA

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
PROFIBUS-PA
(ultra-slim)

Functions & Features
• High discharge current capacity 20 kA (8 / 20 μs), 1 kA (10 / 350 μs)
• Ultra-thin 7-mm-wide module can be mounted in high density
• Excellent protection employing multi-stage SPD circuits
• DIN rail mounting and grounding
• Shield terminal provided

MODEL: MD7PA–[1]0[2]

ORDERING INFORMATION
• Code number: MD7PA-[1]0[2]
Specify a code from below for each of [1] and [2].
  (e.g. MD7PA-FF0/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

[1] SHIELD TERMINAL (to earth)
FF: Floating
FG: Grounding

SAFETY APPROVAL
0: None

[2] OPTIONS
blank: none
/Q: Options other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating

APPLICABLE NETWORK
PROFIBUS-PA and other networks complied with
IEC 61158-2
Caution: Power supply to the bus must be limited to 400 mA or less.

GENERAL SPECIFICATIONS
Construction: Slim-sized front terminal structure
Degree of protection: IP20
Connection: Euro terminal block (torque 0.3 N·m)
Applicable wire size: 0.2 – 2.5 mm2,  stripped length 8 mm
Grounding: DIN Rail
Housing material: Flame-resistant resin (black)

INSTALLATION
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.
Weight: 70 g (2.5 oz)

PERFORMANCE

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.