OVP module for TTY interfaces and conventional zones


Overvoltage protection module as 4-pin, rail-mounted device (764757 base module required).
Space-saving compact surge protector module for the protection of 2-wire symmetrical interfaces with electrical isolation.
Additional Information:
Low resistance ground connection is a must for proper surge protection functioning.
Total lightning imp. current (10/350) 10 kA
Lightning imp. current (10/350)/line 2.5 kA
max. cont. operating voltage a.c. 23.3 V AC
max. cont. operating voltage d.c. 33 V DC
Rated voltage V 24V
Rated current 1 A @ 45 °C
Nom. discharge current (80/20)/line 10000 A
Total nom. discharge current 20 kA
Air humidity < 95 % (non-condensing)
Type of protection IP 20
Ambient temperature -40 °C ... 85 °C
  • 764737 Base for overvoltage protection module