A21442RNZQ ITT Industries, A21442RNZQ Datasheet - Page 5

• Manufacturer Part Number: A21442RNZQ
• Description: 1-4 Pole Rotary Switches
• Manufacturer: ITT Industries

Setting Stops on A112 and A125 Models
The number of switch positions is adjustable on A112
and A125 models only by means of a stop ring provided
with each switch. The number of positions is pre-set on
all other models and the stop ring is factory installed.
Soldering, Cleaning and Assembly Instructions for ‘MC’ Termination Option
Soldering
1. Insert switch base only into PC board.
2. Do not bend terminals.
3. Wave soldering recommended at
4. Hand solder at 500F, 10 sec.
Switch Assembly
1. Hold housing/shaft assembly by housing. Remove
2. Do not push on switch shaft. Detent mechanism will
3. While holding switch housing, align locating tab on
4. Push firmly on housing until latches snap in place.
5. Remove clip from shaft and discard. Assembly is
Stop ring
PART NO.
767B00201
Material: Brass
Finish: Nickel plated
NONE
500F solder temperature.
max./terminal.
protective cap by squeezing tabs and discard. (FIG. 1)
come apart.
base with notch on housing and engage 4 housing
latches in slots on base. (FIG. 2)
complete. (FIG. 3)
NO SEAL
E
EPOXY SEAL
FUNCTION
AVAILABLE HARDWARE
F
SPLASHPROOF BUSHING SEAL
L–7
Cleaning
1. Flux clean using vapor degreaser and forced
2. Do not allow switch base to ‘trap’ fluids.
3. Freon TMC, TF or Methylene Chloride give
To set stops: Turn shaft fully counter-clockwise and
insert stop ring tab in desired hole. Install lockwasher
and nut to retain stop ring for both PC and panel
mounting. Switch without stop ring has 12 positions.
rinse or triple bath method.
excellent results.
SPLASHPROOF
BUSHING SEAL
(FIG. 1)
1-4 Pole Rotary Switches
REMOVABLE CLIP
K
EPOXY & SPLASHPROOF BUSHING SEAL
Specifications and dimensions subject to change
C&K A Series
(FIG. 2)
Dimensions are shown: Inch (mm)
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LOCATING
STANDOFF
TAB
(FIG. 3)
L