Copal Electronics Rotary Switch Knob for use with Rotary Switch

The miniature Fujisoku MR and waterproof MRE Rotary Switches are available in 1, 2, 3 or 4 poles with a choice of positions and number of steps in both 36° or 30° step angles. The self cleaning contacts provide high contact reliability while the solder terminals are epoxy sealed to prevent flux entry. The waterproof MRE series of Rotary Switches (stock numbers 225-593, 225-600, 225-616, 225-622 and 762-5669) are fitted with o-rings that seal against entry of water and dust.
These miniature Rotary Switches require a 6.5mm cut out for panel mounting, have a 50/51mm overall length (includes terminals) and a maximum body diameter of 16mm. Stock numbers 225-638, 225-644, 222-386 and 225-650 suit panels with a 2mm maximum panel thickness while the rest of the MR series are suitable for use in panels with a 2.5mm maximum thickness. The waterproof MRE series suit panels with a 3.5mm maximum panel thickness.
Four aluminium rotary knobs with a 12.7mm body diameter are available to suit both the MR and the MRE series of Rotary Switches. There are two options with a 15.9mm overall height; stock number 225-694 has a black body and a white indicator line, stock number 225-688 has a silver body with a black indicator line. The other two options have a 20mm body height and include stock number 225-672 which has a black body with a white indicator line and stock number 225-666 which has a silver body and a black indicator line.

Low contact resistance
Solder terminals
Insulation resistance 100MΩ minimum
Electrical life 10,000 cycles
Dielectric strength 500Vac (30° MR series), 1000Vac (36° MR & MRE series) for 1 minute
Operating force 14.7N.cm (30° MR series), 9.8N.cm (36° MR & MRE series)
-10 to +65°C operating temperature range (30° MR series), -20 to +85°C operating temperature range (36° MR & MRE series)

Stock numbers 225-565, 762-5665, 225-571 and 225-587 feature a variable stopper that permits free selection of positions.