Item #S664-2-1-0-1-0, S664 - 1/8 DIN Frequency Counter - Simpson
The Simpson S664 Frequency Counter has been designed to handle a broad range of your roughest industrial applications with the NEMA 4X rated front cover. The S660 series are programmed from the front panel by using large buttons that have a tactile feedback to help prevent keystroke errors.
- NEMA-4X Front Panel
- Four Frequency Ranges Available (99 Hz, 999 Hz, 9 kHz, 35 kHz)
- Easy to Use (Install/Wire/Mount, Select Range, and Go)
- Bright Red LEDs for Easy Viewing
- Minimum Mounting Depth Required
- 120 or 240 VAC
- Optional Excitation Output 12 VDC at 100 mA
- Modular Design
- Screw Terminals for Easy Installation
- CE & C-UL Approved, UL Listed

Specifications
Power Supply
240 VAC
Input Type
Standard Pulse Input
Excitation Output
12 VDC