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.
1250 SERIES
Subminiature Shaftless Precision Rotary Switches
ISO9001 CERTIFIED
1250 SERIES
1250 SERIES
Subminiature Shaftless Precision Rotary Switches
2650 South Croddy Way P.O. Box 25063 Santa Ana, California 92799-5063 USA
PHONE 714.556.3100 SALES FAX 714.241.9061 www.cole-switches.com
ISO9001 CERTIFIED
1250 Series/Page 2
NOTES:
1. Dimensions are in inches.
2. Unless otherwise specifi ed, 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 specifi ed.
ORDERING INFORMATION
Sample Code
Switch shown in the sample code is a 45° indexing, 1 pole
per deck, 8 positions per pole.
OPTIONS
The following options can be added to the standard
switch. When ordering, simply add the letters after
the basic part number.
F = Fixed stop between the last and the fi rst position.
P = Seal (Shaft Seal Only).
S = Shorting (Contact Factory for more detail).
FRONT VIEW SIDE VIEW REAR VIEW
TYPICAL FEATURES
45° ANGLE OF THROW
60° ANGLE OF THROW
60° SWITCH 1 & 2 POLE
1250 SERIES
1250 SERIES
Subminiature Shaftless Precision Rotary Switches
2650 South Croddy Way P.O. Box 25063 Santa Ana, California 92799-5063 USA
PHONE 714.556.3100 SALES FAX 714.241.9061 www.cole-switches.com
ISO9001 CERTIFIED
1250 Series/Page 3
