Undercurrent Relay
IL 9271

Undercurrent detection in single phase or 3-phase voltage systems.

Features
. According to IEC/EN 60255-1
. IP 9271, SP 9271, SP 9271CT: 3-phase
IK 9271, IL 9271, SK 9271, SL 9271, SL 9271CT: Single phase
. Measuring ranges from AC 0.1 ... 100 A
. IK 9271, SK 9271:
With 4 ranges settable by rotational switch, 1 changeover contact
. IL 9271, SL 9271:
With 5 ranges settable by rotational switch, 1 changeover contact
With 4 ranges programmable by bridges, 2 changeover contacts
. IP 9271, SP 9271: with 1 range, 2 changeover contacts
. Settable response value
. Fixed hysteresis
. Settable time delay
. De-energized on trip
. Optionally energized on trip
. LED indicators
. With auxiliary voltage
. Auxiliary supply and measuring input galvanic separated
. Devices available in 2 enclosure versions:
- I-model, e.g. IK _ _ _ _, depth 61 mm with terminals at the bottom for installations systems and industrial distribution systems according to DIN 43 880
- S-model, e.g. SK _ _ _ _, depth 100 mm with terminals at the top for cabinets with mounting plate and cable duct
. Width IK 9271, SK 9271: 17.5 mm
IL 9271, SL 9271, SL 9271CT: 35 mm
IP 9271, SP 9271, SP 9271CT: 70 mm

Technical specifications
Width: 35mm
Operate delay: Yes
Enclosure design: Distribution board
1- / 3-phase: 1
Output contacts: 1 C/O contact, 2 C/O contacts
Auxiliary voltage: AC, AC/DC
Type: IL 9271
Measuring range: AC 0,1 - 50A


Manufacturer: E. Dold & Söhne GmbH & Co. KG
Type: IL9271.12 AC/DC24V 0,1-15A
Art. No.: 0049958