Omron K8AB-TH Product Manual

Temperature Monitoring Relay
K8AB-TH
Compact and Slim Relay Ideal for
Temperature Alarms and Monitoring
• Excessive temperature increases can be prevented and abnormal
temperatures can be monitored.
• Temperature monitoring in slim design with a width of just 22.5 mm.
• Simple function settings using DIP switch.
• Multi-input support for thermocouple or Pt100 sensor input.
• Selectable output relay: Non-fail safe/fail safe.
• Alarm status identification with LED indicator.
• CE Marking
UL/CSA certification pending.
Features
• This Temperature Monitoring Relay was designed specially for
monitoring abnormal temperatures to prevent excessive
temperature increase and to protect equipment.
• A relay capacity of 3 A at 250 VAC (resistive load) is provided.
An output latch function is also supported.
• Settings can be made and functions can be selected using the DIP
switch.
• Reduce the number of models by using multi-input support for
thermocouple or Pt100 sensor input.
Model Number Structure
■ Model Number Legend
K8AB-TH1@@
1 2 3 4
1. Basic Model
K8AB: Measuring and Monitoring Relay
2. Function
TH1: Temperature Monitoring Relay
Ordering Information
■ List of Models
Temperature Monitoring Relay
Note: Refer to page 3 for setting ranges.
Input type Temperature
setting range
0 to 399 ° C/ ° F
Thermocouple/
Pt100
0 to 1,700 ° C
Thermocouple
0 to 3,200 ° F
Selecting Functions and Modes
• The following settings are provided: alarm mode (upper limit/lower
limit), enable/disable latch, ° C/ ° F, relay output non-fail safe/fail safe,
setting protection.
Terminal Wiring with Ferrules
• Wire with 2 × 2.5 mm solid wire or 2 × 1.5 mm
2
3. Setting Range
1: Low-temperature range (0 to 399 ° C: setting in increments of
1 ° C)
2: High-temperature range (0 to 1800 ° C max.: setting in
increments of 10 ° C)
4. Output Form
S: One SPDT relay output
Setting unit Supply voltage
1 ° C/ ° F
100 to 240 VAC
24 VAC/VDC
10 ° C/ ° F (See note.)
100 to 240 VAC
24 VAC/VDC
Temperature Monitoring Relay
2
wiring ferrules.
Model
K8AB-TH11S 100-240VAC
K8AB-TH11S 24VAC/VDC
K8AB-TH12S 100-240VAC
K8AB-TH12S 24VAC/VDC
K8AB-TH
1