MD72W LIGHTNING SURGE PROTECTOR FOR TWO-WIRE SIGNAL LOOP
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Detail
·Some details are not shown. Please refer to specification sheets for all information.
MD72W
Lightning Surge Protectors for
Electronics Equipment M-RESTER
LIGHTNING SURGE PROTECTOR FOR
TWO-WIRE SIGNAL LOOP
(ultra-slim)
Functions & Features
• High discharge current capacity 20 kA (8 / 20μs), 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
• Loop disconnect fuse
Typical Applications
• Protecting a 2-wire transmitter loop
• Protecting an electronic device I/O
MODEL: MD72W–[1][2][3][4]
ORDERING INFORMATION
• Code number: MD72W-[1][2][3][4]
Specify a code from below for each [1] through [4].
(e.g. MD72W-5500/Q)
For the safety approval code 2, specify the product’s destination country using Ordering Information Sheet (No. ESU-8057).
• Specify the specification for option code /Q
(e.g. /C01)
[1] NOMINAL VOLTAGE
07: 7 V DC
16: 16 V DC
32: 32 V DC
55: 55 V DC
[2] LOOP DISCONNECT FUSE
0: Without
1: With (CENELEC intrinsic safety (ATEX) not available)
[3] SAFETY APPROVAL
0: None
2: CENELEC intrinsic safety (ATEX)
[4] OPTIONS
blank: none
/Q: With options (specify the specification)
(CENELEC intrinsic safety (ATEX) not available)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
RELATED PRODUCTS
• Loop disconnect fuse (model: MD7F)
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)
Loop disconnect fuse: Current rating 250 mA
INSTALLATION
Operating temperature: -25 to +85°C (-13 to +185°F)
(See Safety Parameters for use in a hazardous location.)
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:
ATEX Directive
Ex ia EN 60079-11
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EN 50581
Safety approval:
SAFETY PARAMETERS
DESCRIPTIONS
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Co., Ltd.
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PRODUCTS LIST
- Signal Conditioners
- 2-wire Signal Conditioners
- Power Transducers
- Indicators
- Tower Lights
- Limit Alarms
- Gateway, Remote IO
- Paperless Recording System
- PC Recorder
- Web Data Loggers
- PID Control Components
- BA&Energy Monitoring Components
- Temperature Controllers
- Electric Actuators
- Lightning Surge Protectors
STATISTIC
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