Datasheet

K8DT-AW
3
Ratings Specifications
Power supply voltage
K8DT-AW
D: 24 VAC 50/60Hz, 24 VDC
K8DT-AW
A: 100 to 240 VAC 50/60Hz
Power consumption
24 VAC/24 VDC: 1.8 VA/1 W max.
100 to 240 VAC: 2.5 VA max.
Rated insulation voltage 600 VAC
Operating value setting
range (AL1, AL2)
10% to 100% of the maximum value of the setting
range
K8DT-AW1: 2 to 20 mA AC/DC
10 to 100 mA AC/DC
50 to 500 mA AC/DC
K8DT-AW2: 0.1 to 1 A AC/DC (Compatible with
commercially available CTs.)
0.5 to 5 A AC/DC (Compatible with
commercially available CTs.)
K8DT-AW3: When used with the OMRON CT
(K8AC-CT200L).
10 to 100 A AC
20 to 200 A AC
Operating value 100% operation at set value
Reset value 5% of operating value (fixed)
Reset method
Manual reset/automatic reset (switchable)
Note: Manual reset: Turn OFF power supply for
1 s or longer.
Operating time setting
range (T)
0.1 to 30 s
Startup lock time
setting range (LOCK)
0 to 30 s
(The startup lock timer starts when the input has
reached approximately 30% or more of the set
value.)
Note: Enabled only for overcurrent operation.
Indicators
Power (PWR): Green, Output (OUT): Yellow,
Alarm output 1 (ALM1): Red, Alarm output 2
(ALM2): Red
Input impedance Refer to Input Range on page 2.
Output form
Relay: SPDT contact output
Transistor: NPN output
Output relay ratings
Rated load:
250 VAC 5 A or 30 VDC 5 A (resistive load),
250 VAC 1 A (inductive load), 48 VDC 0.2 A
(inductive load)
Minimum load: 5 VDC, 10 mA (reference values)
Mechanical life: 10 million operations min.
Electrical life: 5 A at 250 VAC or 30 VDC: 50,000
operations
3 A at 250 VAC or 30 VDC:
100,000 operations
Transistor output
ratings
Contact form: SPST-NO (NPN transistor)
Rated voltage: 24 VDC (maximum voltage:
26.4 VDC)
Maximum current: 50 mA DC
Ambient operating
temperature
− 20 to 60°C (with no condensation or icing)
Storage temperature − 25 to 65°C (with no condensation or icing)
Ambient operating
humidity
25% to 85% RH (with no condensation)
Storage humidity 25% to 85% RH (with no condensation)
Altitude 2,000 m max.
Applicable wires Stranded wires or ferrules
Applicable wire size 0.25 to 1.5 mm
2
(AWG24 to AWG16)
Wire insertion force 8 N max. for AWG20 wire
Screwdriver insertion force 15 N max.
Wire stripping length 8 mm
Ferrule length 8 mm
Recommended
flat-blade screwdriver
XW4Z-00B (Omron)
SZF 0.4 × 2.5 (Phoenix Contact)
210-719 (Wago)
SDI 0.4 × 2.5 × 75 (Weidmuller)
Current capacity 10 A (per pole)
Number of insertions 50 times
Case color N1.5
Case material PC, UL 94 V-0
Weight Approx. 100 g
Mounting Mounts to DIN Track, or screw mounting
Dimensions 17.5 × 90 × 90 mm (W×H×D)
Allowable operating
voltage range
85% to 110% of power supply voltage
Allowable operating
frequency range
50/60 Hz ±5 Hz
Input frequency range
K8DT-AW1 and K8DT-AW2: DC input or AC input
(45 to 65 Hz)
K8DT-AW3: AC input (45 to 65 Hz)
Overload capacity
K8DT-AW1 and K8DT-AW2: Continuous input at
120% of maximum input, 1 s at 150%
K8DT-AW3: Continuous input at 120%, 30 s at
200%, and 1 s at 600% with an OMRON CT
(K8AC-CT200L).
Note: CT capacity on primary side.
Repeat
accuracy
Operating
value
±0.5% full scale (at 25°C and 65% humidity, rated
power supply voltage, DC or 50/60 Hz sine wave input)
Operating
time
±50 ms (at 25°C and 65% humidity, rated power
supply voltage)
Applicable
standards
Conforming
standards
EN 60947-5-1
Installation environment (pollution level 2,
Overvoltage category III)
EMC EN 60947-5-1
Safety
standards
UL 60947-5-1 (Listing), Korean Radio Waves Act
(Act 10564), CCC (GB14048.5)
Insulation resistance
20 MΩ min.
Between external terminals and case
Between power supply terminals and input
terminals
Between power supply terminals and output
terminals
Between input terminals and output terminals
Dielectric strength
2,000 VAC for one minute
Between external terminals and case
Between power supply terminals and input
terminals
Between power supply terminals and output
terminals
Between input terminals and output terminals
Impulse withstand voltage
6 kV (between live terminals and exposed, non-
charged metal parts)
Noise immunity
Square-wave noise of 1-µs/100-ns pulse width
with 1-ns rise time
100 to 240 VAC: 1,500 V power supply terminal
common/normal mode
24 VAC: 1,500 V power supply terminal
common/normal mode
24 VDC: 480 V power supply terminal common
Vibration resistance
Frequency: 10 to 55 Hz, 0.35-mm single
amplitude, acceleration 50 m/s
2
10 sweeps of 5 min each in X,Y, and Z directions
Shock resistance
100 m/s
2
, 3 times each in 6 directions along 3
axes
Degree of protection Terminals: IP20