M-system MD7PL Instruction Manual

INSTRUCTION MANUAL
LIGHTNING SURGE PROTECTOR FOR
PULSE SIGNAL
BEFORE USE ....
Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System's Sales Office or representatives.
■ PACKAGE INCLUDES:
Surge protector ....................................................................(1)
■ MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■ INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
When using this product in potentially explosive atmos-
phere or hazardous (classified) location, you have to follow
the safety procedure to install it. Please refer to "SAFE IN-
STALLATION MANUAL" for each type of certification.
LIMITATION APPLICABLE TO M-RESTER
The M-RESTER will protect electronics equipment from
damage caused by lightning by absorbing most of the
surge voltages.
However, M-RESTER may not be effective against cer-
tain extremely high voltages caused by a direct or almost
direct hit by lightning.
M-RESTER must be installed according to this installa-
tion / instruction manual.
Table 1. Specifications
MODEL NO.
Max. continuous operating voltage (Uc)
Voltage protection level (Up)
@6kV (1.2 / 50 µs)
Leakage current @Uc
Response time
Max. discharge current (Imax)
Nominal current (I )
N
Internal series resistance
SEN TRONIC
(ultra-slim)
GENERAL
■ FUNCTION & FEATURES
• High discharge current capacity 20 kA (8 / 20 µs), 1 kA
• Ultra-thin 7-mm-wide module can be mounted in high
• Excellent protection employing multi-stage SPD circuits
• DIN rail mounting and grounding
• Shield terminal provided
• Protects two pulse signal lines
■ SPECIFICATIONS
See Table 1.
POINTS OF CAUTION
■ ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
• Do not install the unit where it is subjected to continuous
• Environmental temperature must be within -25 to +85°C
• This unit needs a DIN rail as earth grounding bar. Ox-
MD7PL-PFF
Line to Line
Line to Earth
Line to SHLD
SHLD to Earth ±160V
Line to Line
Ling to Earth
Line to SHLD ±1200V
SHLD to Earth ±800V
Line to Line
Other sections
Line to Line
Other sections
056 222 38 18 mailbox@sentronic.com
AG
MODEL
(10 / 350 µs)
density
air, install the unit inside proper housing with sufficient
ventilation.
vibration. Do not subject the unit to physical impact.
(-13 to +185°F) with relative humidity within 30 to 90%
RH in order to ensure adequate life span and operation.
ide coating of an aluminium rail may lower the electric
conductivity between this module and the ground. Use a
steel or copper rail.
MD7PL-PFG MD7PL-NFF
-30V
±160V
±160V
short ±160V
-50V
±800V
±800V ±1200V
short ±800V
≤5µA
≤5µA
≤4 nsec.
≤20 nsec.
20kA (8 / 20 µs), 1.0kA (10 / 350 µs)
100mA
11Ω ±10% per line
www.sentronic.com
MD7PL
MD7PL-NFG
+30V
short
+50V
±800V
short
EM-8062 Rev.4 P. 1 / 5