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K8DT-TH
Ratings and Specifications
Ratings
Power supply
K8DT-TH@@D: 24 VAC 50/60 Hz or 24 VDC
voltage
K8DT-TH@@A: 100 to 240 VAC 50/60 Hz
Allowable voltage
85% to 110% of power supply voltage
range
Power
24 VAC or 24 VDC: 2.1 VA max. or 1.2 W max.
consumption
100 to 240 VAC: 3.1 VA max.
Rated insulation
253 VAC
voltage
Thermocouple: K, J, T, E;
K8DT-TH1
Sensor
Platinum-resistance thermometer: Pt100, Pt1000
inputs
K8DT-TH2
Thermocouple: K, J, T, E, B, R, S, PL II
Setting method
Set of three rotary DIP switches
Power (PWR): Green,
Indicators
Alarm (ALM): Red
Relay Output: SPDT contact
Output form
Transistor Output: 1
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)
Output relay
Minimum load: 5 VDC, 10 mA (reference values)
ratings
Mechanical life: 10 million operations min.
Electrical life: 5 A at 250 VAC or 30 VDC: 50,000
Transistor output
Rated voltage: 24 VDC (maximum voltage: 26.4 VDC)
ratings
Maximum current: 50 mA DC
Ambient operating
20 to 60°C (with no condensation or icing)
temperature
Storage
25 to 65°C (with no condensation or icing)
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
0.25 to 1.5 mm
size
Wire insertion force 8 N max. for AWG20 wire
Screwdriver
15 N max.
insertion force
Wire stripping
8 mm
length
Ferrule length
8 mm
XW4Z-00B (Omron)
Recommended flat-
SZF 0.4
blade screwdriver
210-719 (Wago)
SDI 0.4
Current capacity
10 A (per pole)
Number of
50 times
insertions
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
2
operations
3 A at 250 VAC/30 VDC: 100,000
operations
2
(AWG24 to AWG16)
2.5 (Phoenix Contact)
2.5
75 (Weidmuller)
90 mm (W D H)
Specifications
K8DT-TH1@@: ±1% of the setting range or ±4 °C,
Measurement
whichever is larger.
accuracy
K8DT-TH2@@: ±1% of the setting range (±1%FS).
Hysteresis width
2°C
Sampling cycle
100 ms
EN 61010-1
Approved
Installation environment:
standards
Overvoltage category II, pollution level 2
Applicable
EN 61326-1 *
standards
EMC
Safety
UL 61010-1 (Listing)
standards
Korean Radio Waves Act (Act 10564)
20 M
min.
Between all external terminals and the case
Between all power supply terminals and all input
terminals
Insulation resistance
Between all power supply terminals and all output
terminals
Between all input terminals and all output
terminals
3,000 VAC for 1 min
Between all external terminals and the case
Between all power supply terminals and all input
terminals
Dielectric strength
Between all power supply terminals and all output
terminals
Between all input terminals and all output
terminals
Impulse withstand
6 kV (between live terminals and exposed,
voltage
non-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
common/normal mode
24 VAC: 1,500 V power supply terminal common/
normal mode
24 VDC: 480 V power supply terminal common
Frequency: 10 to 55 Hz, 0.35-mm single amplitude
Vibration resistance
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
* Industrial Electromagnetic Environment (EN/IEC 61326-1, Table 2)
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