Undervoltage Relay
SL 9171

Monitoring of voltage systems on undervoltage. Automatic switching to emergency supply or of emergency light in the case of phase loss according to DIN VDE 0100-710 or DIN VDE 0108.

Features
. According to IEC/EN 60255-1
. 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
. 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
. Width:
IK 9171, SK 9171: 17.5 mm
IL 9171, SL 9171: 35 mm

Technical specifications
Width: 35mm
Operate delay: Yes
Enclosure design: Switch cabinet
1- / 3-phase: 3, 1
Output contacts: 2 C/O contacts
Auxiliary voltage: Without
Type: SL 9171
Nominal voltage max.: 3/N AC 500/290V


Manufacturer: E. Dold & Söhne GmbH & Co. KG
Type: SL9171.12/200 3/N AC400/230V 0,85UN
Art. No.: 0051677