IDEC AL8 Catalog Page
Miniature ø8mm A8 Series
Illuminated Pushbuttons
Style Contact
Miniature Switches & Pilot Devices
AL8 Illuminated Pushbuttons & Pilot Lights (Assembled)
Part Numbers
Momentary Maintained
Pilot Light
Part Number
Round
Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal Blocks
SPDT
AL8M-M11-k AL8M-A11-k AL8M-P1-k
k LED/Lens Color Codes
Color Code
Square
Rectangular
1. In place of k, specify lens color code from table on the right.
2. A replaceable LED lamp is included with the operator.
3. Because the LED lamp does not contain an internal current limiting resistor, an external resistor must be added.
For recommended values, see table below.
4. For accessories, see page 449.
5. For dimensions, see page 450.
SPDT
SPDT
AL8Q-M11-k AL8Q-A11-k AL8Q-P1-k
AL8H-M11-k AL8H-A11-k AL8H-P1-k
Amber A
Green G
Red R
White W
Yellow Y
Replacement LEDs LED Voltage and Recommended Current Limiting Resistor
Lens Color LED Lamp Part Number Voltage External Resistor
Amber Amber LAD-SA 5V DC
Green Green LAD-SG
Red Red LAD-SR
White Yellow* LAD-SY
Yellow Yellow LAD-SY
* White units use a white lens and a yellow LED.
6V DC
12V DC
24V DC
150, 1/2W
200, 1/2W
510, 3/4W
1.1k, 3/4W
LED Lamp Ratings: LED Specifi cations
LED
Lamp
Amber 20mA 2.2V 4V
Green 20mA 2.1V 4V
Red 20mA 1.7V 4V
Yellow 20mA 2.2V 4V
Forward
Current
I
f
When LED lamps are used at voltages other than those stated above, external resistor value, R, is determined by the
following formula: R = (Operating Voltage – Vf) / I
Circuit Breakers
Forward Voltage
(Nominal)
V
f
448
Reverse
Voltage
V
r
f
Operating Voltage & External
Current Limiting Resistor
(Recommended Value)
5V DC: 150Ω, 1/2w
6V DC: 200Ω, 1/2w
12V DC: 510Ω, 3/4w
24V DC: 1.1kΩ, 3/4w
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