Description

Function Over- and Undercurrent Relay
1- / 3-phase 1
Measuring range max. 15 A
Output contacts 2 w
Operate delay +
Auxiliary voltage required +
Enclosure design Installationsverteiler
Width 35 mm
Type IL 9277
According to IEC/EN 60 25-1 IP 9277, SP 9277, SP 9277CT: 3-phaseIL 9277, SL 9277, SL 9277CT: singele phase Detects over- and undercurrent Measuring ranges from 0.1 ... 15 A With built in current transformer for 0.5 ... 100 A IL 9277, SL 9277 with 4 programmable ranges Settable 0.1 ... 1 IN Separate setting for over- and undercurrent Fixed hysteresis approx. 4 % Settable time delay IP 9277, SP 9277 with separate settable time delay forover- and undercurrent De-energized on trip LED indicators for over-, under- and normal current Auxiliary supply and measuring input galvanic separated IL 9277, SL 9277 with one output relay for over- andundercurrent IP 9277, SP 9277 with separate output relays for over- andundercurrent Optionally energized on trip Devices available in 2 enclosure versions:-- I-model, e.g. IL _ _ _ _, depth 61 mmwith terminals at the bottom for installations systemsand industrial distribution systems according to DIN 43 880-- S-model, e.g. SL _ _ _ _, depth 100 mmwith terminals at the top for cabinets with mounting plateand cable duct DIN rail or screw mounting Width IL 9277, SL 9277, SL 9277CT: 35 mmIP 9277, SP 9277, SP 9277CT: 70 mm''