MD7LC-12/Q [MSYSTEM]
Lightning Surge Protectors for Electronics Equipment M-RESTER;型号: | MD7LC-12/Q |
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)
95
(3.74)
Applicable wire size: 0.2 – 2.5 mm2, stripped length: 8 mm
Grounding: DIN Rail
Housing material: Flame-resistant resin (black)
98
(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
≤ꢀ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
N)
----
----
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)
Ci
Li
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
Pi
T4
T5
1.2W
1.0W
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
+
–
+
–
+
–
1
2
3
7
4
4
5
6
8
1
2
3
7
EXC.
OUTPUT
POWER
5
6
8
U
V
INPUT
OUTPUT
*1
*1
MD7G
MD7G
7
8
8
7
G
G
Shield Wire
DIN RAIL ADAPTOR
(for grounding)
DIN RAIL ADAPTOR
(for grounding)
DIN RAIL ADAPTOR
(for grounding)
DIN RAIL ADAPTOR
(for grounding)
(protected device)
*2
*2
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
*3
*3
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
8
6
5
4
8
DIN RAIL
ADAPTOR
6
5
DIN RAIL
4
(35 mm wide)
1
2
3
7
1
2
3
7
[1.5 (.06)]
98 (3.86)
7
(.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
1
Surge Side
Protected Side
Series Resistance
4
EXCITATION
5
4
1
DISCHARGE
ELEMENT
EXCITATION
2
3
5
6
2
3
6
STRAIN GAUGE
OUTPUT
STRAIN GAUGE
OUTPUT
DISCHARGE
ELEMENT
8
7
8
7
DIN RAIL ADAPTOR
(for grounding)
DIN RAIL ADAPTOR
(for grounding)
DIN RAIL
DIN RAIL
Grounding
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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