K8AC-H
6
Current Measurement Ranges by Model
I/O Ratings
Relay Contact Output
Transistor Output
Communications Specifications
200 A
Model
20 A
2 A
100 A
Current
measure-
ment
range
Current
Trans-
former
Item
K8AC-H
@
1
@@
-FLK
0.200 to 2.200 A AC
K8AC-CT20S: 5.8-mm through-hole diameter
or
K8AC-CT20L: 12-mm through-hole diameter
K8AC-H
@
2
@@
-FLK
2.00 to 22.00 A AC
K8AC-H
@
3
@@
-FLK
20.0 to 200.0 A AC
K8AC-CT200:
12-mm through-hole
diameter
or
K8AC-CT200L:
30-mm through-hole
diameter
2.200 A
2.00 A
22.00 A
20.0 A
200.0 A
0.200 A
Item
Load
Resistive load (cos
φ
= 1)
Rated load
125 VAC, 0.3 A, 30 VDC, 1 A
Maximum contact voltage
125 VAC, 60 VDC
Maximum contact current
1 A
Maximum switching capaci-
ty
37.5 VA, 30 W
Minimum applicable load
(failure rate P value, refer-
ence value)
5 VDC, 10 mA
Mechanical life expectancy
50,000,000 operations min. (at a switching
frequency of 18,000 times/h)
Electrical life expectancy
(Ambient temperature con-
dition: 20°C)
100,000 operations min. (at rated load and
switching frequency of 1,800 times/h)
Maximum load voltage
12 to 24 VDC (+10%,
−
15%)
Maximum load current
50 mA
OFF leakage current
100
µ
A max.
ON residual voltage
1.5 V max.
Item
Communications
RS-485
Transmission method
Two-wire, half-duplex
Synchronization method
Start-stop synchronization
Baud rate
1,200, 2,400, 4,800, 9,600, or 19,200 bps
Transmission code
ASCII
