MD6N-24 LIGHTNING SURGE PROTECTOR FOR STANDARD SIGNAL LINE & PULSE USE

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Detail

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

MD6N-24

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
STANDARD SIGNAL LINE & PULSE USE
(conduit mount, weather-proof, 24 V DC line voltage)

Functions & Features
• Designed specifically for 4 – 20 mA DC and
pulse signal line including both 4-wire and 2-wire transmitters
• Direct mount in a wiring conduit of outdoor enclosures
• Absorbs surges only without affecting instrumentation signal

MODEL: MD6N–24–[1][2][3]

ORDERING INFORMATION
• Code number: MD6N–24–[1][2][3]
Specify a code from below for each of [1] through [3].
  (e.g. MD6N-24-00B)
For the safety approval codes 2 and 4, specify the product’s destination country using Ordering Information Sheet (No. ESU-8284).

[1] SAFETY APPROVAL
0: None
1: FM intrinsically safe
2: ATEX intrinsic safety
3: FM explosion-proof
4: ATEX flameproof
5: FM nonincendive
Confirm selectable combinations of approval and wiring conduit types in the table.

[2] WIRING CONDUIT
0: G 1/2
1: 1/2 NPT
2: M20 × 1.5
Confirm selectable combinations of approval and wiring conduit types in the table.

[3] BODY MATERIAL
B: Brass
S: Stainless steel

GENERAL SPECIFICATIONS
Degree of protection: IP65
Wiring conduit: See ‘Ordering information.’
Electrical connection: Leadwires
Leadwire diameters
  Cable side & grounding
: AWG20
  Protected equipment side: AWG22
Body material: Nickel-plated brass or stainless steel 316

INSTALLATION
Operating temperature: -40 to +85°C (-40 to +185°F)
(See Safety Parameters for use in a hazardous
location.)

Mounting: Screwed into an electrical conduit of outdoor enclosures
Weight: 330 g (0.73 lb)

PERFORMANCE
Discharge voltage (peak voltage) 
  Line to line: 30 V min. 
  Line to ground: ±160 V min.
Max. surge voltage
  Line to line: 40 V max. 
  Line to ground: ±650 V max.
(The maximum voltage that could pass through the surge protector. Protected equipment must be able to withstand this voltage for a very short time period.)
Response time:
 Line to line: ≤ 4 nsec.
 Line to ground: ≤ 20 nsec.
Leakage current:
  Line to line: ≤ 5 μA @ 30 V DC
  Line to ground: ≤ 5 μA @ ±160 V DC
Discharge current capacity: 10000 A (8/ 20 μsec.)
Max. load current: 100 mA
Internal series resistance: Approx. 22 Ω including return
Max. line voltage 
  Without safety approval: 30 V DC
  With safety approval: 28 V DC
Capacitance @ 1 kHz:
 Line to line:  ≤ 2500 pF
 Line to ground: ≤ 100 pF

STANDARDS & APPROVALS
EU conformity:
ATEX Directive
  EEx ia EN 50020
  Ex d EN 60079-1
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
  EN 50581
Safety approval:
FM: Intrinsically safe
  Class I, Div. 1, Groups A, B, C and D
  Class II, Div. 1, Groups E, F and G
  Class III, Div. 1
  Class I, Zone 0, AEx ia IIC
  T5 and T6
  (Class 3610, ANSI/ISA 60079-11)
FM: Explosion-proof and Dust-ignition proof
  Class I, Div. 1, Groups A, B, C and D
  Class II, Div. 1, Groups E, F and G
  Class III, Div. 1
  T6
  (Class 3615)
FM: Nonincendive
  Class I, Div. 2, Groups A, B, C, and D
  Class II, Div. 2, Groups E, F and G
  Class III, Div. 1
  T6
  (Class 3611)

SAFETY PARAMETERS
Operating temperature:
  T5 -40 to +80°C
  T6 -40 to +70°C
    -40 to +75°C for ATEX flameproof
    -40 to +80°C for FM explosion-proof and nonincendive
Ex-data:
  Ui (Vmax) 30 V ('Any' for ATEX intrinsic safety approval)
  Ii (Imax) 100 mA ('Any' for ATEX intrinsic safety approval)
  Pi 750 mW
  Ci 2.5 nF
  Li 0 mH

CONNECTION EXAMPLES

EXTERNAL DIMENSIONS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.

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