K–
8
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
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14 dec 16
RTA Series
1–4 Poles Coded Rotary Switches
Features/Benefits
•
PCB or hand soldering versions
•
Bushing mounting
•
Multiple poles
•
Decimal and hexadecimal codes
•
Screwdriver slot or extended actuator
•
RoHS Compliant
Typical Applications
•
Appliances
•
Electronic alarm systems
•
Medical
•
Building automation
•
HVAC air conditioning
Electrical Data
Silver Gold
SWITCHING MODE: BBM BBM
MAX. SWITCHING POWER 5 VA 0.5 VA
MAX. SWITCHING CURRENT: 150 mA 20 mA
MAX. CARR
YING CURRENT: 5 A 1 A
NOMINAL VOLTAGE AT 50 Hz 60 V 25 V
CONTACT RESISTANCE: < 150 mΩ < 150 mΩ
DIELECTRIC STRENGTH AT 50 Hz
BETWEEN CONTACTS AND
GROUND TERMINALS: 500 V r 500 V r
INSULA
TION RESISTANCE BETWEEN
CONTACTS OR CONTACTS
AND FRAME (500 V =): 10
9
Ω 10
9
Ω
NO. OF OPERATIONS: 10,000 10,000
BOUNCE: < 5 ms < 5 ms
Environmental Data
OPERATING TEMPERATURE: –20ºC to + 70ºC –20ºC to + 70ºC
STORAGE TEMPERATURE: –40ºC to + 85ºC –40ºC to + 85ºC
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Mechanical Data
MAX. NO. OF BANKS: 1.
OPERATING TORQUE: 5 Ncm±20%.
END STOP TORQUE: < 60 Ncm.
STOP: With/without or adjustable
MOUNTING: By fixed index 9.5 mm (0.374) of center, for
bushing mount only
Materials
BUSHING/HOUSING: PETP Thermoplastic
STATIONARY CONTACTS & TERMINALS: Nickel Plated Brass
with additional plating of Gold or Silver.
ROTOR: Gold or Silver plated Brass or PCB.
CODING PLATE: PA thermoplastic
ACTUATOR: Polysulfon thermoplastic
HARDWARE: Stop pin: Aluminum. Ball & Spring: Stainless steel.
Washer: PA. Nut: Brass.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown and
described on pages K-9 thru K-12. For additional options not shown in catalog, consult Customer Service Center.
Designation
R
TA
Indexing
2
22.5 index (coded only)
3 30
°
index (12 positions max.)
4 36° index (10 positions max.)
Termination
P
With PC Thru-hole
H Horizontal with
PC
Thru-hole
Switch Function
1W12
SP
,
30° Index, 12 pos. no stop
1W10 SP, 36° Index, 10 pos. no stop
1S02 SP
,
30
°
/36
°
Index,
2 pos.
1S03 SP, 30° /36° Index, 3 pos.
1S04 SP, 30° /36° Index, 4 pos.
1S05 SP
,
30
°
/36
° Index, 5 pos.
1S06 SP, 30° /36° Index, 6 pos.
1S07 SP, 30° /36° Index, 7 pos.
1S08 SP
,
30
° /36° Index, 8 pos.
1S09 SP, 30° /36° Index, 9 pos.
1S10 SP, 30° /36° Index, 10 pos.
1S11 SP
, 30° Index, 11 pos.
1S12 SP
,
30
° Index, 12 pos.
2S02 DP, 30° /36° Index, 2 pos.
2S03 DP, 30° /36° Index, 3 pos.
2S04 DP
, 30° /36° Index, 4 pos.
2S05 DP, 30° /36° Index, 5 pos.
2S06 DP
,
30
°
Index,
6 pos.
3S02 3P, 30° /36° Index, 2 pos.
Contact Material
S
Silver pla
ted,
ma
tte-tin terminal
P Gold plated, matte-tin terminal
Actuator (max.)
25N
.984 (25,0) with screwdriver slot
50N 1.97 (50,0) with screwdriver slot
FLS Flush shaft with screwdriver slot
and position indicator
25F .984 (25,0) Shaft with flat
06F .236 (6,0) Shaft with fla
t
Mounting Style
W
Without bushing
R 3/8-32 Threaded Bushing
M M10x.75 Metric Threaded Bushing
A 3/8-32
Threaded Bushing
with Offset Bracket
B M10x.75 Metric Threaded
Bushing with Offset Bracket
3S03 3P, 30° /36° Index, 3 pos.
4S02 4P, 30° /36° Index, 2 pos.
EW10 Direct + complement,
36º
Index, no stop
EW12 Direct + complement, 30º
Index, no stop
ES
——
Direct + complement,
30º/36º
Index, with stop
(specify stop position)
C 3/8-32 Threaded Bushing
with Straight Bracket
D M10x.75 Metric Threaded
Bushing with Straight Bracket
