Miniature ø8mm A8 Series Switches & Pilot Devices A8 Series — Miniature Switches and Pilot Devices: 8mm Key features: • 21/64” (8mm) round mounting hole • Compact Design Saves Space • Bright and Vivid Illumination • Choice of Shapes and Functions • Gold Clad Silver Contacts for reliable low level switching • Snap action contacts • IP40 (Dustproof) Construction CSA Certified UL Listed File No. LR21451 File No. E55996 Specifications LED Lamp Life 50,000 hours approximately (reduced to half of original intensity) Contact Configuration SPDT Maximum Voltage 250V AC/DC Thermal Current 3A Contact Material Gold-clad Silver Terminal Style Solder Tab Terminal Operating Temperature –25º to +55ºC (no freezing) Operating Humidity 45 to 85% RH Contact Resistance 50mΩ maximum (initial value) 100MΩ minimum Insulation Resistance (500V DC megger) Vibration Resistance 5 to 55Hz, 0.75mm amplitude 2 Damage limits: 500m/sec (approx. 50G) Shock Resistance 2 Operating extremes: 200m/sec (approx. 20G) Electrical Life 100,000 operations minimum Maintained: 100,000 (1200 operations/hour) Mechanical Life Momentary: 200,000 minimum Degree of Protection IP40 Enclosed/Dustproof Soldering Temperature 20W/5 seconds or 260ºC/3 seconds Switch Unit: 2,000V AC, 1 min. between live/dead part and terminals of different poles; 1,000V AC, 1 minute between terminals of the same Dielectric Strength pole; 1,500V AC, 1 minute between contact and lamp terminals. Illumination Unit: 2,000V AC, 1 min. between live part/ground Contact Ratings Operating Voltage 24V 120V 240V Resistive — 1.0A 0.5A AC 50/60Hz Inductive — 0.7A 0.5A Resistive 1.0A 0.2A — DC Inductive 0.7A 0.1A — 1. AC Inductive Load, PF = 0.6 – 0.7; DC Inductive Load, L/R = 7. 2. Minimum applicable load (reference value) is 5V AC/DC 3mA (applicable range is subject to the operating conditions and load). www.IDEC.com 456 Circuit Breakers Terminal Blocks Contactors Timers Relays & Sockets Signaling Lights Switches & Pilot Devices Switches & Pilot Devices Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers Miniature ø8mm A8 Series Switches & Pilot Devices AB8 Non-Illuminated Pushbuttons (Assembled) Non-Illuminated Pushbuttons Part Numbers Style Contact Momentary Maintained Round SPDT AB8M-M1-j AB8M-A1-j j Button Color Codes Square SPDT AB8Q-M1-j AB8Q-A1-j Color Code Black B Green G Red R Blue S Rectangular SPDT AB8H-M1-j AB8H-A1-j White W Yellow Y 1. In place of j, specify button color code from the table below. 2. For accessories, see page 459. 3. For dimensions, see page 460. 800-262-IDEC (4332) • USA & Canada 457 Miniature ø8mm A8 Series Switches & Pilot Devices AL8 Illuminated Pushbuttons & Pilot Lights (Assembled) Illuminated Pushbuttons Part Numbers Pilot Light Style Contact Part Number Momentary Maintained Round SPDT AL8M-M11-k AL8M-A11-k AL8M-P1-k k LED/Lens Color Codes Color Code Square SPDT AL8Q-M11-k AL8Q-A11-k AL8Q-P1-k Amber A Green G Red R White W Yellow Y Rectangular SPDT AL8H-M11-k AL8H-A11-k AL8H-P1-k 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 459. 5. For dimensions, see page 460. Replacement LEDs LED Voltage and Recommended Current Limiting Resistor Lens Color LED Lamp Part Number Voltage External Resistor Amber Amber LAD-SA 5V DC 150Ω, 1/2W 6V DC 200Ω, 1/2W Green Green LAD-SG 12V DC 510Ω, 1W Red Red LAD-SR 24V DC 1.1kΩ, 1W White Yellow* LAD-SY Yellow Yellow LAD-SY * White units use a white lens and a yellow LED. LED Lamp Ratings: LED Specifications Forward Forward Voltage Reverse Operating Voltage & External LED Current (Nominal) Voltage Current Limiting Resistor Lamp I V V (Recommended Value) f f r Amber 20mA 2.2V 4V 5V DC: 150Ω, 1/2W Green 20mA 2.1V 4V 6V DC: 200Ω, 1/2W 12V DC: 510Ω, 1W Red 20mA 1.7V 4V 24V DC: 1.1kΩ, 1W Yellow 20mA 2.2V 4V 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 – V ) / I f f www.IDEC.com 458 Circuit Breakers Terminal Blocks Contactors Timers Relays & Sockets Signaling Lights Switches & Pilot Devices Switches & Pilot Devices Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers Miniature ø8mm A8 Series Switches & Pilot Devices Accessories Item Description Used With Part Number Locking Ring Wrench Made of metal. Used for tightening plastic locking ring during All units MT-004 installation. Tightening torque should not exceed 3kgf-cm Lens Removal Tool Made of metal. Used for removing lens or button from the housing Illuminated pushbuttons and pilot lights MT-101 Made of rubber. Used for removing and replacing LED lamps in Lamp Holder Tool Illuminated pushbuttons and pilot lights OR-66 illuminated units Switch Guard Round & square units AL-K8 Used to avoid operating the pushbutton inadvertently. Cover flips open 90˚. Provides IP40 protection Rectangular units AL-KH8 Terminal Cover Made of translucent nylon. Fits over and shields the terminals All units AL-V8 Adaptor Socket Plug-on adaptor with solder terminals, allows easy control unit AL-C8 replacement. All units Plug-on adaptor with PCB terminals, allows easy control unit AL-C8V AL-C8 AL-C8V shown attached replacement. Mounting Hole Plug Made of rubber. Fills unused mounting holes to provide IP65 Extra panel cutouts AL-B8 protection LAD-SR (red) Replacements LEDs LED lamp is included in every illuminated control unit. Replace- LAD-SG (green) ment lamp is ordered separately. External current limiting resistor Illuminated units and pilot lights LAD-SA (amber) required. LAD-SY (yellow) Replacement Lenses Round AL8M-LK1-k Illuminated pushbuttons Square AL8Q-LK1-k and pilot lights Rectangular AL8H-LK1-k Round AB8M-BK1-j Replacement Buttons Non-Illuminated buttons Square AB8Q-BK1-j Rectangular AB8H-BK1-j 1. In place of j, specify Button Color Code from the table. j Button Color Codes k LED/Lens Color Codes 2. In place of k, specify Lens Color Code from table. Color Code Color Code Black B Amber A Green G Green G Red R Red R Blue S White W White W Yellow Y Yellow Y 800-262-IDEC (4332) • USA & Canada 459 Miniature ø8mm A8 Series Switches & Pilot Devices Dimensions A∆8 Panel Cut-Out (not drawn to scale) Panel Thickness 0.5 to 6 Rectangular Locking Ring Rectangular Square Round +0.2 ø8 0 ( ) ( ) ( ) TOP TOP TOP Terminal Width 1.8 × 0.4t ø9 c 5 5.5 5.5 12 9ø9 7 22 9 12 min. (TOP) Round/Square NC +0.2 ø8 0 NO COM Lamp Lamp Terminal (+) Terminal (–) Terminal Sockets 9 min. Terminal 0.8 × 0.3t Terminal Arrangement 33 6.3 33 6.3 (TOP) For Round/Square Units For Rectangular Units Switch Guard, Ø 21/64" (8mm) NC (AL-K8) (AL-KH8) 21.5 Panel Thickness 0.5 to 5 10 12 NO COM Lamp Lamp 17 53 8.8 17 +0.2 Terminal (+) Terminal (–) 5-1.0 Holes 0 PC Board Terminal (PC Board Terminal (Bottom View) Solder Terminal 12.5 ( ) AL-C8V Mounting Hole Layout) ( ) AL-C8 Terminal 0.8 × 0.3t Terminal Arrangement 33 6.3 33 6.3 (TOP) For Round/Square Units For Rectangular Units 11 min. 13 min. (AL-K8) (AL-KH8) NC 21.5 Panel Thickness 0.5 to 5 10 12 NO COM Lamp Lamp 17 53 8.8 17 +0.2 Terminal (+) Terminal (–) 5-1.0 Holes 0 PC Board Terminal (PC Board Terminal (Bottom View) Solder Terminal 12.5 ( ) AL-C8V Mounting Hole Layout) ( ) AL-C8 Terminal Cover 11 min. 13 min. AL-V8, Ø 21/64" (8mm) For Round/Square Units For Rectangular Units 17.3 (AL-K8) (AL-KH8) 21.5 Panel Thickness 0.5 to 5 10 12 33.5 12.5 11 min. 13 min. www.IDEC.com 460 2.5 2.5 Circuit Breakers Terminal Blocks Contactors 2.5 2.5 Timers Relays & Sockets Signaling Lights Switches & Pilot Devices 2.5 2.5 ø9.1 2.5 2.5 14.5 6 8.5 9 17.5 min. 14.5 14.5 6 8.5 6 8.5 2.5 2.5 17.5 min. 17.5 min. 9 min. 9 min. 14.5 14.5 6 8.5 6 8.5 17.5 min. 17.5 min. 14.5 6 8.5 17.5 min.