Horner Electric HE693THM409 — Thermocouple Input Module

Part number	HE693THM409
Brand	Horner Electric
Category	I/O Module
Description	Thermocouple Input Module
Manufacturer	Horner Electric
Product Type	Thermocouple Input Module
Product Line	PLC I/O
Part Number	HE693THM409
Weight	1.50 lbs (0.68 kg)
Scan Rate	45 channels per second
Connector Type	20-screw terminal block
Number of Channels	4
Thermocouple Types	J, K, N, T, E, R, S
Temperature Range	J: -210 to 760°C, K: -270 to 1372°C, N: -270 to 1300°C, T: -270 to 400°C, E: -270 to 1000°C, R: 0 to 1768°C, S: 0 to 1768°C
Resolution	0.5°C
Accuracy	±0.5°C typical (Type J)
Power Consumption	70mA @ 5VDC, 60mA @ 24VDC
Operating Temperature	0–60 °C
Storage Temperature	-40–85 °C
Humidity	5%–95% non-condensing
Channel-to-Channel Isolation	±35V
Backplane Isolation	±1500V AC
A/D Conversion Type	Integrating

The HE693THM409 model is a thermocouple input module classified in the PLC I/O series by Horner Electric. It is designed to scan up to 45 channels per second, accommodating various thermocouple types including J, K, N, T, E, R, and S.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.