IK9171
IK9171 is Overvoltage relay manufactured by DOLD.
Monitoring technique
Overvoltage relay IK 9172, SK 9172, single phase varimeter
Function diagram
- According to IEC/EN 60 255, DIN VDE 0435-303
- Devices available in 2 enclosure versions:
IK 9171: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK 9171: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
- Monitoring of overvoltage
- Without auxiliary supply
- Settable response value
- NC circuit operation (optionally NO circuit operation)
- Optionally with delay t1 on trip
- Optionally with delay t2 on reset
- LED indicator for state of output relay
- 1 changeover contact
- Width 17,5 mm
Approvals and marking
Circuit diagram
12 11
12 14 11
IK 9172.11, SK 9172.11
M7500_a
Applications Monitors overvoltage, in single-phase voltage systems
Function The arithmetic mean value of the voltage L-N ist measured.
Indicators Yellow...
