AJ8 (J8)
POWER ROCKER SWITCH
FEATURES
SWITCHES
AJ8 switch standard actuator
1. Power rocker switches for safety
requirements.
4. A broad product line
The AJ8 switches are available with five
different types of terminals:quick-connect
terminals, soldering terminals, PC board
terminals, right angle terminals and left
angle terminals.
• All versions comply with ClassII
EN61058-1 insulation grade.
Insulation distance: 8mm Min.
Contact gap: 3mm Min.
• International Standard-approved
status
5. Eight standard actuator colors
White, black, red, dark gray, light gray,
blue, green, yellow
AJ8 switch Wide actuator
Already approved
6. Cadmium-free contact compatibility.
UL, CSA, VDE, TÜV,
Standard
ÖVE, KEMA, SEMKO,
actuator
NEMKO, DEMKO,
type
FIMKO, SEV
AJ8
PRECAUTIONS WHEN
USING CADMIUM-FREE
CONTACT TYPE
switch
UL, CSA, VDE, TÜV,
SEMKO, NEMKO,
DEMKO, FIMKO, SEV,
KEMA, ÖVE
Wide
actuator
type
Models with cadmium-free contacts have
been introduced in order to reduce
environmentally harmful substances. (“F”
is affixed to the end of the part number.)
We ask customers who are currently
using products with cadmium-containing
contacts (no “F” at the end of the part
number) to please make the switch to
models with cadmium-free contacts.
When switching, operating life may differ
depending on the load. Please be sure to
verify this by conducting an evaluation
using actual equipment.
2. High inrush current resistance is
ideal for office automation equipment.
Contact
rating
Expected
life
Min.104
Type
AJ8
Inrush
RoHS Directive compatibility information
160A 16A 250V AC
3. Operation that only requires a light
touch
The best operation characteristics were
sought by analyzing touch data gathered
by monitoring 1,500 people.
• Power Rocker Switch touch curve
Stroke
CONSTRUCTION
Actuator
Case
Snap-in Clip
Contact gap (more than 3mm)
The EN60950 (intended for office automation equipment)
conforms with a 3mm gap.
When directly opening or closing the primary power supply
side, a contact gap of at least 3mm is required in order to
ensure safety.
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AJ8 (J8)
(2) With indication on actuators
Terminal shape
Part No.
Poles
Operating types
With I O indication
AJ8101∗F
AJ8201∗F
AJ8111∗F
AJ8211∗F
AJ8121∗F
AJ8221∗F
AJ8131∗F
AJ8231∗F
AJ8141∗F
AJ8241∗F
With — O indication
1-pole
2-pole
1-pole
2-pole
1-pole
2-pole
1-pole
2-pole
1-pole
2-pole
AJ8102∗F
AJ8202∗F
AJ8112∗F
AJ8212∗F
AJ8122∗F
AJ8222∗F
AJ8132∗F
AJ8232∗F
AJ8142∗F
AJ8242∗F
.250 Quick-connect terminal
Soldering terminal
PC board terminal
ON-OFF
PC board right angle terminal
PC board left angle terminal
Remarks: 1. A letter indicating the actuator color is entered in place of asterisk. (W: White, B: Black, R: Red, Z: Dark gray, H: Light gray, L: Blue, G: Green, and Y:Yellow).
Standard flange color is black. For other colors type, they are custom ordered. For requests of other flange color, please enter the following letter before the “F”
in the part number. (W: White, R: Red, Z: Dark gray, H: Light gray, L: Blue, G: Green and Y:Yellow)
2. Long guard type is available for .250 Quick-connect terminal and soldering terminal type. When ordering, please add a “T” before the “F” at the end of the part
number.
3. The color of indication on the actuator:
• For white actuator: black
• For others: white
4. They come with a stamp indicating international standards without your request.
5. Note that the position of the I mark on the flange is used as a reference for left angle and right angle terminals as shown in the diagram below.
I mark
I mark
Right angle terminal
Left angle terminal
2.Wide actuator type
(1) Without indication on actuators
Part No.
Without indication
AJ8W100∗F
AJ8W200∗F
AJ8W110∗F
AJ8W210∗F
AJ8W120∗F
AJ8W220∗F
Terminal shape
Poles
Operating types
1-pole
2-pole
1-pole
2-pole
1-pole
2-pole
.250 Quick-connect terminal
Soldering terminal
ON-OFF
PC board terminal
(2) With indication on actuators
Terminal shape
Part No.
Poles
Operating types
ON-OFF
With I O indication
With — O indication
AJ8W102∗F
AJ8W202∗F
AJ8W112∗F
AJ8W212∗F
AJ8W122∗F
AJ8W222∗F
1-pole
2-pole
1-pole
2-pole
1-pole
2-pole
AJ8W101∗F
AJ8W201∗F
AJ8W111∗F
AJ8W211∗F
AJ8W121∗F
AJ8W221∗F
.250 Quick-connect terminal
Soldering terminal
PC board terminal
Remarks: 1. A letter indicating the actuator color is entered in place of asterisk. (W: White, B: Black, R: Red, Z: Dark gray, H: Light gray, L: Blue, G: Green, and Y:Yellow).
Standard flange color is black. For other colors type, they are custom ordered. For requests of other flange color, please enter the following letter before the “F”
in the part number. (W: White, R: Red, Z: Dark gray, H: Light gray, L: Blue, G: Green and Y:Yellow)
2. The color of indication on the actuator:
• For white actuator: black
• For others: white
3. They come with a stamp indicating international standards without your request.
SPECIFICATIONS
1. Contact rating
Motor load
(EN61058-1)
(cos φ ] 0.6)
Resistive load
(cos φ ] 1.0)
Type
Voltage
AJ8 switch
250V AC
16A
4A
Remark: The motor load is in accordance with EN61058-1. Inrush current can be switched up to the value of 6 times the indicated rating.
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AJ8 (J8)
2. Characteristics
Mechanical
Electrical
Min. 5 × 104 (at 20 cpm.)
Expected life
(Min. operations)
Min. 104 (at 7 cpm., at rated load)
Min. 100 MΩ (at 500V DC measured by insulation resistive meter)
2,000 Vrms detection current: 10 mA
Max. 100mΩ
Initial insulation resistance (Between terminals)
Initial breakdown voltage (Between terminals)
Initial contact resistance (By voltage drop at 1A, 2 to 4V DC)
at 6 × 103 ope. or less
from 6 × 103 ope. to 104
Max. 30°C (UL1054)
Max. 55°C (EN61058-1)
Temperature rise
Vibration resistance
10 to 55 Hz at double amplitude of 1.5mm
Min. 490m/s2{50 G}
Shock resistance
Actuator strength
40 N {4.08kgf} for 1 minute (operating direction)
100 N {10.2kgf} for 1 minute or more (Pull & push direction)
–25°C to +85°C (Not freezing below 0°C)
UL94V-0
Terminal strength (.250 Quick-connect terminal)
Ambient temperature
Flame retardancy
Tracking resistance
Min. 175
1-pole
2-pole
2.45 1.47N {0.25 0.15kgf}
4.5 2.5N {0.46 0.25kgf}
Operating force
(reference characteristics)
Contact material
AgSnO2 alloy
Remark: Test conditions are in accordance with EN61058-1, UL1054 and JIS C 6571.
mm General tolerance: 0.5
DIMENSIONS
1. .250 Quick-connect terminal/Short guard type
Long guard type
.250 Quick-connect terminal
Diagram of recommended
locations for panel
mounting holes
30
X
4
32°
2-pole
1-pole
7.7
+0.1
15
12.8
10
12.9
−0
ON
OFF
2
30
16
4
32°
7.7
16
4.4
10.6 11
ON
OFF
2
6.35
19.5
1.75 dia.
15
28
4.4
Panel thickness
0.75 to 1.25
1.25 to 2
X
28.2
28.4
28.8
10.6
+0
−0.1
1.75 dia.
0.8
6.35
+0
4.375
15
28
−0.1
8.75
12.5
+0
2 to 3
−0.1
2. Soldering terminal
Long guard type
Soldering terminal
Diagram of recommended
locations for panel
mounting holes
30
X
4
32°
2-pole
1-pole
7.7
16
+0.1
15
12.8
10
12.9
−0
ON
OFF
30
2
4
32°
7.7
16
10.6 11
ON
OFF
2
19.5
2.5
15
28
3.5
Panel thickness
0.75 to 1.25
1.25 to 2
X
28.2
28.4
28.8
10.6
+0
−0.1
0.8
3.5
2.5
+0
4.375
8.75
12.5
−0.1
15
28
+0
2 to 3
−0.1
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AJ8 (J8)
mm General tolerance: 0.5
3. PC board terminal
PC board pattern
Diagram of recommended locations
for panel mounting holes
2-pole
1-pole
0.1
X
15
3
0.2
0.1
0.1
1.2
15
3
0.2
0.1
1.2
+0.1
0.1
8.75
12.9
−0
0.1
4.375
2-pole
1-pole
15
12.8
10
30
4
32°
7.7
16
ON
OFF
2
4
19.5
Panel thickness
0.75 to 1.25
1.25 to 2
X
28.2
28.4
28.8
(7.5)
+0
−0.1
+0
2
−0.1
4.375
0.8
+0
15
28
8.75
12.5
2 to 3
−0.1
4. PC board right angle terminal
PC board pattern
Diagram of recommended locations
for panel mounting holes
2-pole
1-pole
0.1
X
15
3
0.2
0.1
0.1
1.2
15
3
+0.1
0.2
12.9
−0
0.3
0.1
17.5
1.2
0.1
8
0.1
4.375
0.3
Terminal side
21.0
2-pole
1-pole
15
12.8
10
30
4
32°
7.7
16
ON
OFF
2
19.5
2
Panel thickness
0.75 to 1.25
1.25 to 2
X
+0
0.8
4
8
28.2
28.4
28.8
−0.1
+0
−0.1
28
12.5
+0
2 to 3
−0.1
Remark: Left angle terminal type is also available.
5. Wide actuator type
Diagram of recommended locations
for panel mounting holes
+0.1
22.0
−0
X
2-pole
1-pole
25
21.8
19
32
4
32°
7.7
ON
OFF
2
16
Panel thickness
1 to less than 1.8
1.8 to 2.3
X
30.0
30.7
19.5
+0
−0.1
+0
−0.1
4.4
10.6
Remark: Dimensions for the terminals of soldering
terminal type and PC board terminal type
are the same as those of standard actuator
type.
1.75 dia.
0.8
6.35
8.75
21
4.375
15
29.4
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AJ8 (J8)
NOTES
1. Switch mounting
Avoid touching the switch with soldering
iron.
3. Resistance to chemicals
To clean the switch unit, use a neutral
detergent diluted with water.
Do not use acidic or alkaline solvents as
they may damage the switch.
Furthermore, be careful not to get any of
the detergent solution inside of the switch
while cleaning it.
Mount the switch with the hole cutting
dimensions shown in the dimensions.
Contact us if you are considering using a
panel of other than the recommended
size and shape.
Soldering position
When wrapping or soldering a wire
around a terminal, do so in the shaded
area indicated in the diagram at left.
2. Regarding fastening lead wires to
terminals
Contact terminal and ground terminal
1) When connecting the tab terminals,
use a .250 Quick-connect and insert the
terminals straight in.
If they are skewed, the terminals will
require excessive insertion force.
In addition, there is some variation in the
insertion force required for different
receptacles from different manufacturers,
so confirm how much force is needed
under actual conditions.
Do not solder wires onto tab terminals.
2) With manual soldering: Complete the
soldering connection work within 3
seconds with the tip of the soldering iron
(60W soldering iron) at a temperature of
420°C or lower, and take care not to
apply any force to the terminal area.
4. Environment
Refer to the diagram above, “soldering
position,” for details on the position where
a wire should be soldered to a terminal.
When soldering PC board terminals,
keep soldering time to within 5 s at 270°C
soldering bath or within 3 s at 350°C
soldering bath.
3) The terminals should be connected in
such a way that they are not under
constant stress from the connecting
wires.
Avoid using and storing these switches in
a location where they will be exposed to
corrosive gases, silicon, or high dust
levels, all of which can have an adverse
effect on the contacts.
5.Take care not to drop the product as
it may impair perfomance.
4) Terminal material is copper alloy which
may discolor due to finger’s oil or after a
long time. But that discoloration does not
effect actual performance.
REFERENCE
1. Outline of UL1054 test
Overload test AJ8: 20A 250V AC
(Power factor 0.75 to 0.8)
50 operation
2. Outline of EN61058-1 test
After switching 5 × 103 times on the
above load condition at both 85+5 °C and
0
25 10°C, temperature rise of terminals
should be less than 55°C and no
abnormality should be observed in
characteristics.
Endurance test AJ8: 16A 250V AC
(Power factor 0.75 to 0.8)
6×103 operation
After testing, temperature rise of
terminals should be less than 30°C and
no abnormality should be observed in
characteristics.
50 to 100ms
24A
AC: 250V
(Power factor 0.6)
J8: 16A
2 sec.
4 sec.
INTRODUCTION TO 4P CONNECTORS FOR THE AJ8 SWITCH
(produced by Nippon Tanshi co.,Ltd)
Suitable switches: AJ8 switch, .250 Quick-connect terminal
(Note: Terminal guard long type switches are not suitable for this connector.)
Housing
Product number: N1620-4204
Connectors for
Receptacle
AJ8 switch
Product number: 17168-2 (post-plated product for fine wires)
17168-M2 (material plated product for fine wires)
172131-M2 (for thick wires)
Notes) This AJ8 switch connector is not
available from Matsushita Electric Works.
Contact us for further details on this connector.
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