1250 SERIES Subminiature Shaftless Precision Rotary Switches A subminiature precision rotary selector switch, the SERIES 1250 is 0.350 inches in diameter and rated at 30,000 operational cycles. It has been engineered to meet all applicable requirements of MIL-S-3786. The basic series 1250 is available as a 1 pole, 1-8 position or a 2 pole, 2-4 position switch. It is a non-shorting switch with 45 and 60 degree indexing. It has PC terminals and shaft seal for contaminant-free operation. The series 1250 is ideal for avionics, communications, test equipment and command and control applications where space is limited and strict environmental reliability requirements are needed. Superior construction, using materials that meet the strictest standards, ensure these subminiature switches provide excellent current switching capacity and constant low contact resistance. Rigorous inspection, testing requirements, and procedures ensure long life and high reliability. The Cole series 1250 switch provides the ultimate mechanical and electrical reliability with its unique design. ISO9001 CERTIFIED 1250 SERIES 1250 Series/Page 2 Subminiature Shaftless Precision Rotary Switches FRONT VIEW REAR VIEW SIDE VIEW TYPICAL FEATURES 45 ANGLE OF THROW 60 ANGLE OF THROW 60 SWITCH 1 & 2 POLE NOTES: 1. Dimensions are in inches. 2. Unless otherwise specified, tolerances are .005 and 3 on angles (Non-accumulative). 3. Position 1 and terminal 1 coincide. 4. Dimensions shown are typical for all angles of throw, unless otherwise specified. ORDERING INFORMATION Sample Code OPTIONS The following options can be added to the standard switch. When ordering, simply add the letters after the basic part number. Switch shown in the sample code is a 45 indexing, 1 pole per deck, 8 positions per pole. F = Fixed stop between the last and the first position. P = Seal (Shaft Seal Only). S = Shorting (Contact Factory for more detail). 2650 South Croddy Way PHONE 714.556.3100 P.O. Box 25063 Santa Ana, California 92799-5063 USA SALES FAX 714.241.9061 www.cole-switches.com ISO9001 CERTIFIED 1250 SERIES 1250 Series/Page 3 Subminiature Shaftless Precision Rotary Switches 2650 South Croddy Way PHONE 714.556.3100 P.O. Box 25063 Santa Ana, California 92799-5063 USA SALES FAX 714.241.9061 www.cole-switches.com ISO9001 CERTIFIED