Specifications - Omron K8DT-AW Series Manual

Ratings
K8DT-AW@@D: 24 VAC 50/60Hz, 24 VDC
Power supply voltage
K8DT-AW@@A: 100 to 240 VAC 50/60Hz
24 VAC/24 VDC: 1.8 VA/1 W max.
Power consumption
100 to 240 VAC: 2.5 VA max.
Rated insulation voltage 600 VAC
10% to 100% of the maximum value of the setting
range
K8DT-AW1: 2 to 20 mA AC/DC
K8DT-AW2: 0.1 to 1 A AC/DC (Compatible with
Operating value setting
range (AL1, AL2)
K8DT-AW3: When used with the OMRON CT
Operating value 100% operation at set value
Reset value 5% of operating value (fixed)
Manual reset/automatic reset (switchable)
Reset method
Note: Manual reset: Turn OFF power supply for
1 s or longer.
Operating time setting
0.1 to 30 s
range (T)
0 to 30 s
(The startup lock timer starts when the input has
Startup lock time
reached approximately 30% or more of the set
setting range (LOCK)
value.)
Note: Enabled only for overcurrent operation.
Power (PWR): Green, Output (OUT): Yellow,
Indicators Alarm output 1 (ALM1): Red, Alarm output 2
(ALM2): Red
Input impedance Refer to Input Range on page 2.
Relay: SPDT contact output
Output form
Transistor: Open collector
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)
Output relay ratings
Mechanical life: 10 million operations min.
Electrical life: 5 A at 250 VAC or 30 VDC: 50,000
Contact form: SPST-NO (Open collector)
Transistor output Rated voltage: 24 VDC (maximum voltage:
ratings 26.4 VDC)
Maximum current: 50 mA DC
Ambient operating
20 to 60°C (with no condensation or icing)
temperature
25 to 65°C (with no condensation or icing)
Storage temperature
Ambient operating
25% to 85% RH (with no condensation)
humidity
Storage humidity 25% to 85% RH (with no condensation)
Altitude 2,000 m max.
Applicable wires Stranded wires, solid wires, or ferrules
Applicable wire size 0.25 to 1.5 mm
Wire insertion force 8 N max. for AWG20 wire
Screwdriver insertion force 15 N max.
Wire stripping length 8 mm
Ferrule length 8 mm
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
17.5  90  90 mm (WHD)
Dimensions
10 to 100 mA AC/DC
50 to 500 mA AC/DC
commercially available CTs.)
0.5 to 5 A AC/DC (Compatible with
commercially available CTs.)
(K8AC-CT200L).
10 to 100 A AC
20 to 200 A AC
operations
3 A at 250 VAC or 30 VDC:
100,000 operations
2
(AWG24 to AWG16)

Specifications

Allowable operating
85% to 110% of power supply voltage
voltage range
Allowable operating
50/60 Hz ±5 Hz
frequency range
K8DT-AW1 and K8DT-AW2: DC input or AC input
Input frequency range (45 to 65 Hz)
K8DT-AW3: AC input (45 to 65 Hz)
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
Overload capacity
200%, and 1 s at 600% with an OMRON CT
(K8AC-CT200L).
Note: CT capacity on primary side.
Operating ±0.5% full scale (at 25°C and 65% humidity, rated
value power supply voltage)
Repeat
accuracy
Operating ±50 ms (at 25°C and 65% humidity, rated power
time supply voltage)
EN 60947-5-1
Conforming
Installation environment (pollution level 2,
standards
Overvoltage category III)
Applicable
standards EMC EN 60947-5-1
Safety UL 60947-5-1 (Listing), Korean Radio Waves Act
standards (Act 10564), CCC (GB14048.5)
20 M min.
Between external terminals and case
Between power supply terminals and input
Insulation resistance terminals
Between power supply terminals and output
terminals
Between input terminals and output terminals
2,000 VAC for one minute
Between external terminals and case
Between power supply terminals and input
Dielectric strength terminals
Between power supply terminals and output
terminals
Between input terminals and output terminals
6 kV (between live terminals and exposed, non-
Impulse withstand voltage
charged metal parts)
Square-wave noise of 1-s/100-ns pulse width
with 1-ns rise time
100 to 240 VAC: 1,500 V power supply terminal
Noise immunity
24 VAC: 1,500 V power supply terminal
24 VDC: 480 V power supply terminal common
Frequency: 10 to 55 Hz, 0.35-mm single
Vibration resistance amplitude, acceleration 50 m/s
10 sweeps of 5 min each in X,Y, and Z directions
100 m/s
Shock resistance
axes
Degree of protection Terminals: IP20
K8DT-AW
common/normal mode
common/normal mode
2
2
, 3 times each in 6 directions along 3
3