MD6P-24 LIGHTNING SURGE PROTECTOR FOR STANDARD SIGNAL LINE & PULSE USE

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MD6P-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: MD6P–24–[1][2][3]

ORDERING INFORMATION

• Code number: MD6P–24–[1][2][3]
Specify a code from below for each of [1] through [3].
(e.g. MD6P-24-00B)
For the safety approval code 4, specify the product’s destination country using Ordering Information Sheet (No. ESU-8284).

[1] SAFETY APPROVAL

0: None
3: FM explosion-proof
4: ATEX flameproof
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:
No Safety approval: -40 to +85°C (-40 to +185°F)
FM approval:
   -40 to +80°C (-40 to +176°F) (T6)
  ATEX approval:
   -40 to +80°C (-40 to +176°F) (T5)
   -40 to +75°C (-40 to +167°F) (T6)
Mounting: Screwed into an electrical conduit of outdoor enclosures
Weight: 300 g (0.66 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
Ex db EN 60079-1
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
Safety approval:
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)