Open Frame series  
Type F and Type FC

1.312 inch diameter switch with dual ball-type indexing for a positive feel and uniform torque. Double-wiping, silver-plated brass contacts, or silver alloy. Unique protective coating guards against tarnish and corrosion, extends shelf life. Type F, phenolic insulation; Type FC, ceramic insulation.

Specifications
Size   Type F: 1.281" width x 1.312" height.
Type FC: 1.25" width
Mounting Clearance holes for a .375" -32 bushing and a .125" x .037" locating key on a .531" radius
Shaft .250" diameter (+.000 -.003); 2.375" long; grooved at .75", 1.125", and 1.875" from switch mounting surface
Indexing Hill and valley dual ball type, 30
Terminal Strength 5 lb. pull
Rotor Insulation Type F, phenolic PBE-P per LP-513 or thermoplastic;
Type FC, ceramic
Stator Insulation Type F: phenolic PBE-P per LP-513;
Type FC: ceramic
Section Thickness Type F: .062"
Type FC: .120"
Contacts Silver-plated brass or silver alloy. Protective coating extends shelf life
Contact Resistance .003 to .015 ohms between adjacent clips
Electrical Rating Break 1 amp at 28 volts DC, .5 amp at 110 volts AC, resistive. Carry 5 amps

Type F dimensions
Type FC dimensions

Type F and FC Switch Components

Basic Type F/FC components provide the additional flexibility of meeting specific design requirements through distributor assembly of these components into other switch configurations.

Type F and FC Switch Components
PC Hole Pattern

 

Type F/FC Switch Assemblies
With silver-plated brass contacts and solder terminals
Total Poles Active Positions Poles/Section Circuit Configuration Number of Sections Catalog Number
Shorting Non-Shorting
1 2-11 1 Fig. 6 1 399332-F* 399323-F*
2 2-5 2 Fig. 4 1 399326-F* 399327-F*
1 2-11 1 Fig. 6 1 399366-FC 399367-FC
2 2-5 2 Fig. 4 1 399370-FC 399371-FC
2 2-11 1 Fig. 6 2 399368-FC 399369-FC
3 2-3 3 Fig. 5 1 399374-FC 399375-FC
With silver-plated brass contacts and printed circuit terminals
1 2-11 1 Fig. 6 1 399300-F* 399301-F*
2 2-5 2 Fig. 4 1 399302-F* 399303-F*
3 2-3 3 Fig. 5 1 399304-F* 399305-F*

*Available made-to-order only.
Figure 4    Figure 5    Figure 6

Type F/FC Rotary Section
With silver-plated brass contacts and solder terminals
Total Poles Active Positions Section Type Circuit Configuration Catalog Number
Shorting Non-Shorting
1 2-11 Standard Fig. 6 399070-F* 399071-F
2 2-6 Standard Fig. 4 399072-F* 399073-F
3 2-3 Standard Fig. 5 399074-F* 399075-F
1 2-11 Notched Blade Fig. 8 399060-F* ---
1 2-11 Standard Fig. 6 399090-FC 399091-FC
2 2-5 Standard Fig. 4 399092-FC* 399093-FC
3 2-3 Standard Fig. 5 399094-FC* 399095-FC
1 2-11 Notched Blade Fig. 8 399062-FC* ---

*Available made-to-order only.
Figure 8

Shaft and Index Assemblies
Includes mounting nut and lockwasher, stopwasher, strut screws, assorted spacers, washers, and nuts.
Catalog Number Dimension "A"
(see above dimensioned drawing)
399039-F/FC 1.25" (31.7 mm)
399021-F/FC 6.125" (155.5 mm)