SL9171
SL9171 is Undervoltage relay manufactured by DOLD.
Monitoring technique
Undervoltage relay IK 9171, IL 9171, SK 9171, SL 9171, 3-phase varimeter
IK 9171
SK 9171
- According to IEC/EN 60 255, DIN VDE 0435-303
- Devices available in 2 enclosure versions:
I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
- Monitoring of undervoltage in 3-phase system
- Also for single phase
- Without auxiliary supply
- Optionally for 3p3w systems
- LED indicator for state of output relay
- Independent of phase sequence
- 1 or 2 changeover contacts
- Optionally fixed or settable response value
- As option with phase sequence detection
- Optionally with or without N
- Optionally with off-delay t1
- Opionally with on delay t2
- Width:
IK 9171, SK 9171: 17,5 mm IL 9171, SL 9171: 35 mm
Approvals and marking
IL 9171 Function...
