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(c)Copyright OMRON Corporation 2007 All Rights Reserved.
K6EL
ZCTs (Zero-phase Current Transformers)
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Ground Fault Relay and ZCT Combinations
(OK: Compatible)
Note: 1.
“OK” indicates groupings that can be combined freely.
2.
Combinations with the OTG-LA
@@
are also possible.
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Options
Flush Mounting Adapters
Front Cover
Specifications
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Ground Fault Relay Ratings
Note: 1.
The K6EL-R50 requires a 100-VAC control power supply.
2.
Only the K6EL-R50 can be switched between 50 mA
r
10% and 150 mA
r
20%.
Rated current
Type
Indoor through-type models
Indoor separate-type models
Sensed current
Model
Diameter of through-hole
Model
Diameter of through-hole
50 A
OTG-L21
21 mm
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---
100 A
OTG-L30
30 mm
---
22 mm
200 A
OTG-L42
42 mm
OTG-CN52
52 mm
400 A
OTG-L68
68 mm
OTG-CN77
77 mm
600 A
OTG-L82
82 mm
OTG-CN112
112 mm
1,000 A
OTG-L156
156 mm
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ZCT
Ground Fault Relay
K6EL-30
K6EL-R50
K6EL-100, -200, -500, -R500
K6EL-A100, -A200, -A500
OTG-L21 (50 A)
OK
OK
OTG-L30 (100 A)
OK
OK
OTG-L42 (200 A)
OK
OK
OTG-L68 (400 A)
---
OK
OTG-L82 (600 A)
---
OK
OTG-L156 (1,000 A)
---
OK
OTG-CN52 (200 A)
---
OK
OTG-CN77 (400 A)
---
OK
OTG-CN112 (600 A)
---
OK
Model
Y92F-30
Y92F-71
Model
Y92A-48B (Hard Cover)
Y92A-48D(Soft Cover)
Item
Type
High-speed models
Delayed models
Delayed high-sensitivity
models
Control power supply
100/110 VAC or 200/220 VAC, 50/60 Hz (same for all) (See note 1.)
100 VAC
Rated current
Depends on the ZCT
Sensed current
50% to 100% of the rated sensed current (50 mA
r
10%, 150 mA
r
20%) (See note 2.)
Non-operating current
0% to 50% of the rated sensed current
Rated short-time current
2,500 A
Ground fault indication method
LED (red)
Test method
Relay operation confirmed using a test button. (Independent of ZCT connection.)
Reset method
Manual
Either press the reset button or turn the control power supply OFF and ON again.
Automatic
Automatically resets when the ground fault is cleared.
Built-in
contacts
Contact form
SPDT+SPST-NO
SPDT
Carrying current
5 A
3 A
Rated load
cos
I
= 1
cos
I
= 0.4 (L/R = 7 ms)
cos
I
= 1
240 VAC
5 A
2 A
220 VAC, 3 A
110 VDC
0.3 A
0.2 A
30 VDC
5 A
3 A
Power (VA) consumption
3 VA max.
Weight
Approx. 110 g
