MD7LC-00 [MSYSTEM]

Lightning Surge Protectors for Electronics Equipment M-RESTER;


型号：	MD7LC-00
厂家：	M-SYSTEM
描述：	Lightning Surge Protectors for Electronics Equipment M-RESTER
文件：	总4页 (文件大小：145K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: MD7LC

Lightning Surge Protectors for

Electronics Equipment M-RESTER

[2] SAFETY APPROVAL

0: None

2: CENELEC intrinsic safety (ATEX)

LIGHTNING SURGE PROTECTOR FOR

[3] OPTIONS

blank: none

STRAIN GAUGE

(ultra-slim)

/Q: With options (specify the specification)

(CENELEC intrinsic safety (ATEX) not available)

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

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

• Excellent protection employing multi-stage SPD circuits

• DIN rail mounting and grounding

• Shield terminal provided

/C02: Polyurethane coating

• Protects strain gauges and transmitters

RELATED PRODUCTS

• Terminal block for grounding (model: MD7G)

7 (.28)

GENERAL SPECIFICATIONS

Construction: Slim-sized front terminal structure

Degree of protection: IP20

Connection: Euro terminal block (torque 0.3 N·m)

(3.74)

Applicable wire size: 0.2 – 2.5 mm2, stripped length: 8 mm

Grounding: DIN Rail

Housing material: Flame-resistant resin (black)

(3.86)

INSTALLATION

mm (inch)

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.

MODEL: MD7LC–[1][2][3]

ORDERING INFORMATION

• Code number: MD7LC-[1][2][3]

Specify a code from below for each [1] through [3].

(e.g. MD7LC-10/Q)

Weight: 70 g (2.5 oz)

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] SERIES RESISTANCE

0: Without (No CE marking; CENELEC/ATEX approval not

available)

1: With

MD7LC SPECIFICATIONS

ES-8063 Rev.6 Page 1/4

http://www.m-system.co.jp/

MODEL: MD7LC

PERFORMANCE

MODEL NO.

MD7LC-0

MD7LC-1

Max. continuous operating voltage (Uc) Output voltage

±±.ꢀ2

152

Excitation

Line to Earth*¹

±152

2oltage protection level (Up)

Leakage current @Uc

Output voltage

±152 @±.ꢀk2(1.ꢀ/ 5± µs)

3±2 @±.ꢀk2 (1.ꢀ / 5± µs)

±3±2 @±.ꢀk2 (1.ꢀ / 5± µs)

±4±2 @6k2 (1.ꢀ / 5± µs)

5±2 @6k2 (1.ꢀ / 5± µs)

±5±2 @6k2 (1.ꢀ / 5± µs)

Excitation

Line to Earth*¹

Output voltage

Excitation

≤±.ꢀµA

≤ꢀµA

Line to Earth*¹

Response time

≤4 nsec.

Max. discharge current (Imax)

1±±A (8 / ꢀ± µs)

ꢀ±kA (8 / ꢀ± µs), 1kA (1± / 35± µs)

ꢀ5±mA

Nominal current (I

----

Internal series resistance

1.5Ω ±1±0 per line

*1. Measured across the terminal ꢀ and DIN rail, the terminal 7 and DIN rail.

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:

CENELEC: Intrinsic safety (ATEX)

II 1G, Ex ia IIC; T4 and T5

EN 60079-0

EN 60079-11

Surge protection:

IEC 61643-21

EN 61643-21

(Categories C1, C2, D1;

applicable with series resistance only)

SAFETY PARAMETERS

■ CENELEC / ATEX IS DATA

Ui (Vmax)

16V

any

Ii (Imax)

35 nF

0 µH

Temp. Class

Range

Parameter

1.3W

-25 to +40°C

-25 to +60°C

-25 to +80°C

-25 to +40°C

1.2W

1.0W

MD7LC SPECIFICATIONS

ES-8063 Rev.6 Page 2/4

http://www.m-system.co.jp/

MODEL: MD7LC

CONNECTION EXAMPLES

Strain Gauge

Transmitter

Strain Gauge

EXC.

protected M-RESTER surge

side side

surge M-RESTER protected

side side

–

EXC.

OUTPUT

POWER

INPUT

OUTPUT

MD7G

Shield Wire

DIN RAIL ADAPTOR

(for grounding)

DIN RAIL ADAPTOR

(for grounding)

DIN RAIL ADAPTOR

(for grounding)

DIN RAIL ADAPTOR

(for grounding)

(protected device)

DIN RAIL

Grounding

*1. Without the MD7G, cross-wire between the DIN rail and the metal housing of the protected device to equalize the earth potential.

DIN RAIL

Grounding

*2. Oxide film on the surface of an aluminium rail may lower the electric conductivity between this module and the ground. Use a steel or copper rail.

*3. Be sure to ground the DIN rail. Recommended grounding resistance ≤100Ω.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

8–M3 EURO

WIRE INSERTION ANGLE: approx. 20°

TERMINAL

DIN RAIL

ADAPTOR

DIN RAIL

(35 mm wide)

[1.5 (.06)]

98 (3.86)

(.28)

MD7LC SPECIFICATIONS

ES-8063 Rev.6 Page 3/4

http://www.m-system.co.jp/

MODEL: MD7LC

SCHEMATIC CIRCUITRY

■ MD7LC-0

■ MD7LC-1

Surge Side

Protected Side

Surge Side

Protected Side

Series Resistance

EXCITATION

DISCHARGE

ELEMENT

EXCITATION

STRAIN GAUGE

OUTPUT

STRAIN GAUGE

OUTPUT

DISCHARGE

ELEMENT

DIN RAIL ADAPTOR

(for grounding)

DIN RAIL ADAPTOR

(for grounding)

DIN RAIL

Grounding

Specifications are subject to change without notice.

MD7LC SPECIFICATIONS

ES-8063 Rev.6 Page 4/4

http://www.m-system.co.jp/

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