Number of keys: 12
Shape of keys: square
Key dim.: 20x20mm
Sealing: IP65 (IEC 529)
Connection: 10 pins, flat cable
Printing: chemical etching 0-9, #
distances between two keys pitch 27
Lighting: not backlighted
Power supply: 24VDC
Nr.of operations: 3M operations
Obs.: Excellent EMI resistance