Thumbwheel Switch
Easy-to-Assemble Thumbwheel Switch Designed Specially for Printed Circuit Boards
The transparent window plate fitted in the readout section protects dial characters from dust and prevents wear by incorrect handling s Plus (+) and minus (–) pushbuttons for positive forward and reverse rotation of each digital wheel s The contact section is of dust-proof construction s Switch units can be assembled simply by fitting the integral hook coupler of each unit into the mating unit, thus eliminating the need of nuts and bolts for assembly
s
A7CN
Ordering Information
s SWITCH UNITS
Part Number Back mounting PC board Light gray case Black case – A7CN-106-1 Front mounting PC board Light gray case Black case A7CN-206 A7CN-206-1
Output Code 06 (binary code)
s ACCESSORIES
Part Number For back mounting type switch assembly Light gray Black – A7CN-1M-1 – A7CN-1Ps -1 For front mounting type switch assembly Light gray Black A7CN-2M A7CN-2M-1 A7CN-2Ps A7CN-2Ps -1
Accessory End Cap Spacer
Note: 1. When placing your order, please specify the model numbers and quantities of required switch units, end caps, and spacers, respectively. (Note that switch units and accessories are not factory-assembled for shipment.) 2. Switch case, end cap, and spacer are made of polyacetal resin; however, the window plate is made of polycarbonate resin. 3. One of the following alphabetic codes must be filled into the boxed part of the model number to specify a legend to be hot stamped on the required spacer. 4. End caps come as a set -- left and right. Code A B C D E F G Legend Hot stamp not required SEC MIN H g kg mm Code H J K L Q T Legend cm m o C PCS x 10 SEC 0
A7CN
A7CN
Characteristics
Switching capacity Carry current Contact resistance Insulation resistance Dielectric strength Operating force Vibration Shock Ambient temperature Humidity Service life Weight (per unit) Note: Data shown are of initial value. 1 mA to 0.1 A 50 VAC/28 VDC (resistive load) 1 A (max.) 200 mΩ max. 10 MΩ min. (at 250 VDC) between nonconnected terminals 1,000 MΩ min. (at 250 VDC) between each terminal and noncurrent-carrying part 250 VAC, 50/60 Hz for 1 minute between nonconnected terminals 1,000 VAC, 50/60 Hz for 1 minute between each terminal and noncurrent-carrying part 450 g max. 10 to 55 Hz, 1.5 mm double amplitude 490 m/s2 (approx. 50 g) -10o to 65oC -20o to 80oC 45% to 85% RH max. 30,000 operations (steps) min. 20,000 operations (steps) min. Approx. 1.5 g
Operating Storage Mechanical Electrical
Dimensions
Unit: mm (inch)
s SWITCH UNITS
A7CN-206(-1) Panel cutout
No. of units (n) 1 2 3 4 5 6 7 8 9 10
A (nx6 + 8) 14 (0.55) 20 (0.79) 26 (1.02) 32 (1.26) 38 ± 0.8 (1.50±0.03) 44 ± 0.8 (1.73±0.03) 50 ± 0.8 (1.97±0.03) 56 ± 0.8 (2.20±0.03) 62 ± 0.8 (2.44±0.03) 68 ± 0.8 (2.68±0.03)
B (nx6 + 6) 12 (0.47) 18 (0.71) 24 (0.94) 30 (0.18) 36 ± 0.8 (1.42±0.03) 42 ± 0.8 (1.65±0.03) 48 ± 0.8 (1.89±0.03) 54 ± 0.8 (2.13±0.03) 60 ± 0.8 (2.36±0.03) 66 ± 0.8 (2.60±0.03)
D 12.4 (0.49) 18.4 (0.72) 24.4 (0.96) 30.4 (1.20) 36.8 (1.45) 42.8 (1.64) 48.8 (1.92) 54.8 (2.16) 60.8 (2.39) 66.8 (2.63)
Note: 1. Unless otherwise specified, a tolerance of ± 0.4 mm applies to all dimensions. 2. Each model number applies to a single switch unit and does not apply to the switch assembly as shown in the drawings.
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A7CN
A7CN-106-1
A7CN
Panel cutout
No. of units (n) 1 2 3 4 5 6 7 8 9 10
A (nx6 + 6) 12 (0.47) 18 (0.71) 24 (0.94) 30 (1.18) 36 ± 0.8 (1.42±0.03) 42 ± 0.8 (1.65±0.03) 48 ± 0.8 (1.89±0.03) 54 ± 0.8 (2.13±0.03) 60 ± 0.8 (2.36±0.03) 66 ± 0.8 (2.60±0.03)
B (nx6 + 11) 17 (0.67) 23 (0.91) 29 (1.14) 35 (1.38) 41 (1.61) 47 (1.85) 53 (2.09) 59 (2.32) 65 (2.56) 71 (2.80)
C (nx6 + 16) 22 (0.87) 28 (1.10) 34 (1.34) 40 (1.57) 46 ± 0.8 (1.81±0.03) 52 ± 0.8 (2.05±0.03) 58 ± 0.8 (2.28±0.03) 64 ± 0.8 (2.52±0.03) 70 ± 0.8 (2.76±0.03) 76 ± 0.8 (3.00±0.03)
D 12.4 (0.49) 18.4 (0.72) 24.4 (0.96) 30.4 (1.20) 36.8 (1.45) 42.8 (1.69) 48.8 (1.92) 54.8 (2.16) 60.8 (2.39) 66.8 (2.63)
Note: 1. Unless otherwise specified, a tolerance of ± 0.4 mm applies to all dimensions. 2. Each model number applies to a single switch unit and does not apply to the switch assembly as shown in the drawings.
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A7CN
UNIT: mm (inch)
A7CN
s END CAPS A7CN-2M-1
[left] [right]
A7CN-1M-1
[left] [right]
Note: End caps are attached to each end of the switch assembly and used to secure the switch assembly to a mounting panel.
s SPACERS
A7CN-2Ps -1 A7CN-1Ps -1
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A7CN
s TERMINALS
A7CN-106-1, A7CN-206
A7CN
Hints on Correct Use
Refer to HINTS ON CORRECT USE under the Gene ral In formation section.
Omron Europe B.V. EMA-ISD, tel:+31 23 5681390, fax:+31 23 5681397, http://www.eu.omron.com/ema
Cat. No. GC SW5
4/98
Specifications subject to change without notice.
Printed in the U.S.A. 5
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