K8DT-TH
2
Ratings and Specifications
Ratings
Specifications
*
Industrial Electromagnetic Environment (EN/IEC 61326-1, Table 2)
Power supply
voltage
K8DT-TH
@@
D: 24 VAC 50/60 Hz or 24 VDC
K8DT-TH
@@
A: 100 to 240 VAC 50/60 Hz
Allowable voltage
range
85% to 110% of power supply voltage
Power
consumption
24 VAC or 24 VDC: 2.1 VA max. or 1.2 W max.
100 to 240 VAC: 3.1 VA max.
Rated insulation
voltage
253 VAC
Sensor
inputs
K8DT-TH1
Thermocouple: K, J, T, E;
Platinum-resistance thermometer: Pt100, Pt1000
K8DT-TH2
Thermocouple: K, J, T, E, B, R, S, PL II
Setting method
Set of three rotary DIP switches
Indicators
Power (PWR): Green,
Alarm (ALM): Red
Output form
Relay Output: SPDT contact
Transistor Output: 1
Output relay
ratings
Rated load
5 A at 250 VAC (Resistive load)
5 A at 30 VDC (Resistive load)
1 A at 250 VAC (Inductive load)
0.2 A at 48 VDC (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/30 VDC: 100,000
operations
Transistor output
ratings
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, solid 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 D H)
Measurement
accuracy
K8DT-TH1
@@
: ±1% of the setting range or ±4 °C,
whichever is larger.
K8DT-TH2
@@
: ±1% of the setting range (±1%FS).
Hysteresis width
2°C
Sampling cycle
100 ms
Applicable
standards
Approved
standards
EN 61010-1
Installation environment:
Overvoltage category II, pollution level 2
EMC
EN 61326-1
*
Safety
standards
UL 61010-1 (Listing)
Korean Radio Waves Act (Act 10564)
Insulation resistance
20 M min.
Between all external terminals and the case
Between all power supply terminals and all input
terminals
Between all power supply terminals and all output
terminals
Between all input terminals and all output
terminals
Dielectric strength
3,000 VAC for 1 min
Between all external terminals and the case
Between all power supply terminals and all input
terminals
Between all power supply terminals and all output
terminals
Between all input terminals and all output
terminals
Impulse withstand
voltage
6 kV (between live terminals and exposed,
non-charged metal parts)
Noise immunity
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
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
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