Open Frame series  
Type JC and Type K

1.531 inch diameter switches. Double-wiping, self-cleaning, silver-plated brass contacts. Phenolic insulation. Unique protective coating guards against tarnish and corrosion, extends shelf life. Provides up to 6 sections and 12 poles.

Specifications
Size   Type JC: 1.375" width x 1.531" height
Type K: 1.406" width x 1.531" height
Mounting Clearance holes for a .375" -32 bushing and a .125" x .037" locating key on a .438" 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 JC: Ceramic
Type K: Thermoplastic or phenolic PBE-P per LP-513
Stator Insulation Type JC: Ceramic
Type K: Phenolic PBE-P per LP-513
Section Thickness Type JC: .125"
Type K: .062"
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 JC & K dimensions

Type JC and K Switch Components

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

Type JC & K switch components
PC Hole Pattern
 

Type JC and Type K 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 2-12 1 Fig. 1 1 399468-JC 399469-JC
2 2-6 2 Fig. 3 1 399476-JC 399477-JC
2 2-12 1 Fig. 1 2 399470-JC 399471-JC
3 2-5 3 Fig. 7 1 399704-JC 399705-JC
3 2-12 1 Fig. 1 3 399472-JC 399473-JC
4 2-6 2 Fig. 3 2 399478-JC 399479-JC
6 2-5 3 Fig. 7 2 399696-JC 399697-JC
6 2-6 2 Fig. 3 3 399480-JC 399481-JC
 
1 2-12 1 Fig. 1 1 399418-K 399419-K
2 2-6 2 Fig. 3 1 399426-K 399427-K
2 2-12 1 Fig. 1 2 399420-K 399421-K
3 2-5 3 Fig. 7 1 399490-K 399491-K
4 2-6 2 Fig. 3 2 399428-K 399429-K
6 2-3 3 Fig. 5 2 399734-K 399735-K
6 2-5 3 Fig. 7 2 399492-K* 399493-K*
6 2-6 2 Fig. 3 3 399430-K 399431-K
8 2-5 2 Fig. 4 4 399738-K 399739-K
With silver-plated brass contacts and printed circuit terminals
1 2-12 1 Fig. 1 1 399400-K* 399401-K*
2 2-6 2 Fig. 3 1 399402-K* 399403-K*

*Available made-to-order only.
Figure 1Figure 3    Figure 4

Figure 5    Figure 7

Type JC and Type K Rotary Section
With silver-plated brass contacts and solder terminals
Total Poles Active Positions Section Type Circuit Configuration Catalog Number
Shorting Non-Shorting
1 2-10 Standard Fig. 1 399438-JC ---
1 2-12 Standard Fig. 1 399150-JC 399151-JC
2 2-6 Standard Fig. 3 399152-JC 399153-JC
3 2-5 Standard Fig. 7 399444-JC 399445-JC
1 2-11 Notched Blade Fig. 8 399066-JC ---
 
1 2-12 Standard Fig. 1 399130-K* 399131-K*
1 2-11 Standard Fig. 6 399242-K 399243-K
2 2-6 Standard Fig. 3 399132-K* 399133-K*
2 2-5 Standard Fig. 4 399244-K 399245-K
3 2-3 Standard Fig. 5 399245-K* 399247-K
3 2-5 Standard Fig. 7 399254-K* 399255-K*
1 2-11 Notched Blade Fig. 8 399064-K* ---
With silver-plated brass contacts and printed circuit terminals
1 2-12 Standard PC Fig. 1 399396-K* 399397-K*
2 2-6 Standard PC Fig. 3 399398-K 399399-K
3 2-5 Standard PC Fig. 7 399442-K* 399443-K*

*Available made-to-order only.
Figure 6    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)
399043-JC/K 2.468" (63 mm)
399024-JC/K 6.125" (155.5 mm)