Mikro Earth Fault Relay (KER141)

China Mikro Earth Fault Relay (KER141), Find details about China Earth Fault Relays, Earth Leakage Relays from Mikro Earth Fault Relay (KER141)

Model NO.
KER141
Model NO.
KER141
Earth Fault Relay / Earth Leakage Relay

1. 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

2. TECHNICAL DATA
RATINGS

Current rating(In): 5A
Rated frequency: 50/60Hz
Burden: < 3VA at In
Thermal withstand: 4× In continuous

SETTING RANGES
Low-set: 0.1A to 2.0A; 2% to 40%
Low-set delay time: 0.01sec to 1.0sec
High-set(l>>): L> to 5× L>
High-set delay time: Instantaneous

AUXILIARY SUPPLY:
Supply voltage: 198-265V AC; 90-120V AC
Rated frequency: 50/60Hz
VA rating: <3VA

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

IINDICATORS
Auxiliary supple: LED
Trip indicator: Latching low-set trip LED; Latching high-set trip LED

PERFORMANCE
Adjustable accuracy: Less than ± 5%
Repeatability: Less than 0.5% of full scale