protective relays
KLR 123 Earth fault Protection Relay/Digital Relay
1. FEATURES
A. Both latching and non-latching type of tripping contacts
B. Trip starting indicator
C. Relay tripped indicator
D. Detection of no connection to current transformer for extra safety
E. High immunity to electrical interference
2. TECHNICAL DATA
SETTINGS
Sensitivity adjustment: 0.1 to 1.0a
Delay time adjustment: 0.1sec to 3.0sec
CONTACTS
Contact arrangement: 1* latching type with manual reset
1*non- latching type with manual reset
Bothe NC and NO contacts available
Contact rating: 6A. 250V AC
Contact material: Silver alloy
Operating time: 15ms max.
Expected electrical life 100, 000 operations at rated current
Expected mechanical life: 5000000 operations
AUXILIARY SUPPLY
Supply voltage: 198-265V AC; 90-120V AC
Rated frequency: 50/60Hz
VA rating: 3VA typical
IINDICATORS
Auxiliary supple: GREEN LED
Time delay: RED LED
Trip: RED LED
PERFORMANCE
Adjustable accuracy: Less than ± 5%
Repeatability: Less than 0.5% of full scale
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