Ground Earth Fault Protection Relay , 5A DigitalProtective Relay

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Ground Earth Fault Protection Relay , 5A Digital Protective Relay
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?A relay used in the power system to detect neutral or ground faults measure the vector difference of the three phase power, or measure the neutral current directly.?
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Description:
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KRIPAL Relay?is?a?micro-mrocessor?based?electronic?protection?device ?designed ?to?recognize?current?leakage?to?ensure?the?protection ?of?electrical?installations ?and?persons ?against ?direct ?and?indirect?contacts.
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cost-effective earth fault relays comprehensively detect and activate trip protection to medium and low voltage applications. The series of earth fault relays are microprocessor-based numerical relays and are housed in resilient mounted casing. The high end model, IDMT characteristic curves which provide multiple matching protection characteristics curve for different load types.
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Specifications:

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FEATURES?
A. Low-set definite time relay
B. High-set instantaneous relay
C. Separate low- set and high-set trip indicators
D. Low-set trip and pickup indicator
E. High-set trip indicator
F. Auto reset and manual reset contacts available
G. Option to disable the high-set relay
H. Front panel access to the test function
SETTING RANGES?
Low-set: 0.1A to 2.0A; 2% to 40%?
Time multiplier: 0.01 to 1.0?
IDMT curve: Normal inverse?
High-set(l>>): L> to 5× L>?
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AUXILIARY SUPPLY:?
Supply voltage: 198-265V AC; 90-120V AC?
Rated frequency: 50/60Hz?
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CONTACTS?
Configuration: 1* latching type with manual reset
?? ? ? ? ? ? ? ? ? ? ? ? ? 1*non-latching type with auto reset
? ? ? ? ? ? ? ? ? ? ? ? ? ? NO NC contacts available
Trip contact: Automatic reset type?
NC&NO contact type?
6A. 250V AC?
Silver alloy contact material?
100, 000 electrical operations at rated currents?
IINDICATORS?
Auxiliary supply: green LED indicator light
Trip indicator: Manual reset type?
PERFORMANCE?
Adjustable accuracy: Less than ± 5%?
Repeatability: Less than 0.5% of full scale
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Benefit:

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Applications:
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Feeder incoming protection
Outgoing protection
Busbar protection
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Full series: earth leakage relay, earth fault relay, overcurrent relay, zero phase transformer
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