Surge Protection Device for Measuring and Control System – DM-../M4N.. Series

PROSURGE DM-…/M4N.. dataline protectors provide surge protection for four single lines with common reference potential in the data, signal and communication systems, suitable for use in category location B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices.

Features

• UL listed dataline protector per UL 497B standard (File No. E504171)
• Pluggable surge protection for DIN Rail mounting
• Signal transmission is not interrupted when exchanging module
• Two-stage protection circuit, limit the transients with gas discharge tubes and transzorb diodes
• Rate load current 1A
• Earth possible on DIN Rail
• Comply with UL497, and IEC61643-21:2012,category D1/C1/C2/C3

Application

• M4N1 – Suitable to use for 0-20mA, 4-20mA current loop, TTY 4-20mA, TTY, TTL, V24 (RS232C）and high-frequency transmission system etc.
• M4N2 – Suitable to use for 4-20 mA current loop, analog/digital communication, RS485, RS422 (V11) interface, high-frequency bus system and two wires video transmission system, etc.
• M4N6 – Suitable to use for measuring and controlling system, thermocouples(PT100 PT1000 devices), low voltage alarm circuits such as fire or security, or d.c. power supply etc.
• M4N7 – Suitable to use for switching value signal, sensor, digital I/O, actuator, TTL and low-datarate bus system etc.