MD7ST LIGHTNING SURGE PROTECTOR FOR STANDARD SIGNAL LINE

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MD7ST

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR FOR
STANDARD SIGNAL LINE

(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
• Shield terminal provided

MODEL: MD7ST–[1][2][3][4][5]

ORDERING INFORMATION

• Code number: MD7ST-[1][2][3][4][5]
Specify a code from below for each of [1] through [5].
(e.g. MD7ST-24FF00/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

24: 24 V DC
60: 60 V DC

[2] SHIELD TERMINAL (line / earth)

FF: Floating / Floating
FG: Floating / Grounding
GF: Grounding / Floating
GG: Grounding / Grounding

[3] LOOP DISCONNECT FUSE

0: Without
1: With (ATEX intrinsic safety not available)

[4] SAFETY APPROVAL

0: None
2: ATEX intrinsic safety

[5] OPTIONS

blank: none
/Q: With options (specify the specification)
(ATEX intrinsic safety not available)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our 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
(Separates the protected device from the power source when the former fails in the shortcircuit mode.)

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)