Omron 3G2A5-CT001 — High-Speed Counter

Part number	3G2A5-CT001
Brand	Omron
Description	High-Speed Counter
Manufacturer	Omron
Product Type	High-Speed Counter
Product Line	3G2
Part Number	3G2A5-CT001
Weight	1.88 lbs (0.85 kg)
Count Voltage Levels	High: 6 to 12V, Low: 0 to 4V
Reset Input Voltage	High: 6 to 12V, Low: 0 to 4V
Counting Speed	50 kHz max (solid-state), 30 kHz (contact input)
ON-Response Time	1.5 ms max
OFF-Response Time	2 ms max
Internal Power Supply	300 mA, 5 VDC
Terminal for External Connection	Terminal block (not removable)
Power Supply for Sensor	100 mA, 12 VDC +10% (per point)
Power Supply to Outside Circuit	500 mA, 24 VDC +10%, 500 mA

The Omron 3G2A5-CT001 is a high-speed counter that operates with a specified voltage range of 6 to 12V for high signals and 0 to 4V for low signals. It is capable of achieving a counting speed of up to 50 kHz with solid-state inputs, whereas contact inputs max out at 30 kHz.

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.