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Ground Fault Relay
K6EL
Economical, Compact, High-performance,
DIN 48 u 48-mm Ground Fault Relay for Low
Voltages
• Performs continuous monitoring and detection of ground faults
in low-voltage circuits due to the deterioration of insulation in
electrical devices.
• Higher reliability ensured with improved resistance to high-fre-
quency noise when used for inverter loads.
• Remote monitoring of cubicles is possible with automatic-reset
models.
• Ground Fault Relays and through-type ZCTs (zero-phase cur-
rent transformers) are mutually compatible.
• The through-type ZCTs are equipped with test terminals, allow-
ing operation tests for Ground Fault Relays to be performed with
ease.
• Series now includes K6EL-R50, which operates at
50 mA r10%.
Model Number Structure
■ Model Number Legend
1. Ground Fault Relay
2. Operating Time and Reset Method
None: 0.1 s manual reset
A: 0.3/0.8 s (switchable) manual reset
R: 0.5 s automatic reset
3. Sensed Current
30: 30 mA (fixed)
50: 50 mA/150 mA (switchable)
100: 100 mA/200 mA (switchable)
200: 200 mA/500 mA (switchable)
500: 500 mA/1,000 mA (switchable)
Ordering Information
■ List of Models
Manual-reset Ground Fault Relays
Automatic-reset Ground Fault Relays
Note: Operating Error
50-mA tap: r10%
150-mA tap: r20%
231
K6EL-@@
Type Operating time
Type High-sensitivity
models
Medium-sensitivity models
Sensed current 30 mA (fixed) 100 mA/200 mA
(switchable)
200 mA/500 mA
(switchable)
500 mA/1,000 mA
(switchable)
High-speed models Less than 0.1 s K6EL-30 K6EL-100 K6EL-200 K6EL-500
Delayed models 0.3/0.8 s (switchable) --- K6EL-A100 K6EL-A200 K6EL-A500
Type Operating time
Type High-sensitivity models Medium-sensitivity models
Sensed current 50 mA/150 mA (switchable) 500 mA/1,000 mA (switchable)
Delayed models Less than 0.5 s --- K6EL-R500
K6EL-R50 (See note.) ---
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