Miniature Switches & Pilot Devices Miniature o8mm A8 Series 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 Display Lights Switches & Pilot Lights A8 Series -- Miniature Switches and Pilot Devices: 8mm CSA Certified File No. LR21451 UL Listed File No. E55996 Terminal Blocks Timers Relays & Sockets 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 -25 to +55C (no freezing) Operating Humidity 45 to 85% RH Contact Resistance 50m maximum (initial value) Insulation Resistance 100M minimum (500V DC megger) Vibration Resistance 5 to 55Hz, 0.75mm amplitude Shock Resistance Damage limits: 500m/sec2 (approx. 50G) Operating extremes: 200m/sec2 (approx. 20G) Electrical Life 100,000 operations minimum Mechanical Life Maintained: 100,000 (1200 operations/hour) Momentary: 200,000 minimum Degree of Protection IP40 Enclosed/Dustproof Soldering Temperature 20W/5 seconds or 260C/3 seconds Dielectric Strength 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 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 Inductive -- 0.7A 0.5A Resistive 1.0A 0.2A -- Inductive 0.7A 0.1A -- Circuit Breakers AC 50/60Hz DC 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). 446 www.idec.com Miniature Switches & Pilot Devices Miniature o8mm A8 Series AB8 Non-Illuminated Pushbuttons (Assembled) Switches & Pilot Lights Non-Illuminated Pushbuttons Style Contact Part Numbers Momentary Maintained SPDT AB8M-M1-j AB8M-A1-j Square SPDT AB8Q-M1-j AB8Q-A1-j Rectangular SPDT AB8H-M1-j AB8H-A1-j Display Lights Round Relays & Sockets 1. In place of j, specify button color code from the table below. 2. For accessories, see page 449. 3. For dimensions, see page 450. j Button Color Codes Color Code Black B Green G Red R Blue S White W Yellow Y Timers Terminal Blocks Circuit Breakers USA: 800-262-IDEC Canada: 888-317-IDEC 447 Miniature Switches & Pilot Devices Miniature o8mm A8 Series Switches & Pilot Lights AL8 Illuminated Pushbuttons & Pilot Lights (Assembled) Illuminated Pushbuttons Style Part Numbers Contact SPDT Round Momentary Maintained Pilot Light Part Number AL8M-M11-k AL8M-A11-k AL8M-P1-k Display Lights k LED/Lens Color Codes SPDT Square SPDT AL8H-M11-k AL8Q-A11-k AL8H-A11-k AL8Q-P1-k AL8H-P1-k Color Code Amber A Green G Red R White W Yellow Y 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. Replacement LEDs Timers Relays & Sockets Rectangular AL8Q-M11-k LED Voltage and Recommended Current Limiting Resistor Lens Color LED Lamp Part Number Voltage External Resistor Amber Amber LAD-SA Green Green LAD-SG Red Red LAD-SR 5V DC 6V DC 12V DC 24V DC 150, 1/2W 200, 1/2W 510, 3/4W 1.1k, 3/4W White Yellow* LAD-SY Yellow Yellow LAD-SY * White units use a white lens and a yellow LED. Terminal Blocks LED Lamp Ratings: LED Specifications LED Lamp Forward Current If Forward Voltage (Nominal) Vf Reverse Voltage Vr Amber 20mA 2.2V 4V Green 20mA 2.1V 4V Red 20mA 1.7V 4V Yellow 20mA 2.2V 4V Operating Voltage & External Current Limiting Resistor (Recommended Value) 5V DC: 150, 1/2w 6V DC: 200, 1/2w 12V DC: 510, 3/4w 24V DC: 1.1k, 3/4w Circuit Breakers 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) / If 448 www.idec.com Miniature Switches & Pilot Devices Miniature o8mm A8 Series Accessories Description Used With Part Number Switches & Pilot Lights Appearance Locking Ring Wrench Made of metal. Used for tightening plastic locking ring during installation. Tightening torque should not exceed 3kgf-cm All units MT-004 Lens Removal Tool Lamp Holder Tool MT-101 Made of rubber. Used for removing and replacing LED lamps in illuminated units Illuminated pushbuttons and pilot lights OR-66 Round & square units AL-K8 Rectangular units AL-KH8 All units AL-V8 Switch Guard Used to avoid operating the pushbutton inadvertently. Cover flips open 90. Provides IP40 protection Display Lights Made of metal. Used for removing lens or button from the housing Illuminated pushbuttons and pilot lights Terminal Cover Made of translucent nylon. Fits over and shields the terminals Plug-on adaptor with solder terminals, allows easy control unit replacement. Adaptor Socket AL-C8V shown attached Mounting Hole Plug Replacements LEDs Plug-on adaptor with PCB terminals, allows easy control unit replacement. AL-C8V Made of rubber. Fills unused mounting holes to provide IP65 protection Extra panel cutouts Relays & Sockets AL-C8 AL-C8 All units AL-B8 LAD-SR (red) LED lamp is included in every illuminated control unit. Replacement lamp is ordered separately. External current limiting resistor required. LAD-SG (green) Illuminated units and pilot lights LAD-SA (amber) LAD-SY (yellow) Replacement Engraving Inserts Replacement Lenses Illuminated pushbuttons and pilot lights Replacement Buttons Non-Illuminated buttons AL8Q-W AL8H-W Round AL8M-LK1-k Square AL8Q-LK1-k Rectangular AL8H-LK1-k Round AB8M-BK1-j Square AB8Q-BK1-j Rectangular AB8H-BK1-j k LED/Lens Color Codes 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 Canada: 888-317-IDEC Circuit Breakers USA: 800-262-IDEC Square Rectangular Terminal Blocks j Button Color Codes 1. In place of j, specify Button Color Code from the table. 2. In place of k, specify Lens Color Code from table. AL8M-W Timers Illuminated pushbuttons and pilot lights Round 449 Miniature Switches & Pilot Devices Miniature o8mm A8 Series A8 Panel Cut-Out (not drawn to scale) Rectangular Panel Thickness 0.5 to 6 Rectangular (TOP) Locking Ring Terminal Width 1.8 x 0.4t Square (TOP) Round (TOP) c9 o9 o9 5 5.5 5.5 7 22 12 +0.2 0 o8 9 min. 9 2.5 2.5 Switches & Pilot Lights Dimensions 9 12 min. Rectangular Display Lights (TOP) Square Round Round/Square NC 0.354" o8 (9mm) +0.2 0 COM Lamp Terminal (-) 0.472" 0.354" 0.354" (12mm) (9mm) (9mm) Relays & Sockets Terminal Sockets 9 min. Terminal 0.8 x 0.3t 6.3 6.3 33 2.5 33 Switch Guard, O 21/64" (8mm) 2.5 Lamp Terminal (+) 9 min. NO 5 8.8 Solder Terminal (AL-C8) 17 2.5 17 2.5 21.5 3 5-1.0 PC Board Terminal (AL-C8V) +0.2 0 Holes Panel Thickness 0.5 to 5 Lam Term (PC Board Terminal Mounting Hole Layout) 12.5 Terminal Arrangement (TOP) For Round/Square Units (AL-K8) 10 (Bottom View) Terminal Cover AL-V8, O 21/64" (8mm) 11 min. 17.3 For Rectangular Units (AL-KH8) o9.1 Terminal Blocks 17.5 min. Lamp Terminal (-) 6 14.5 33.5 8.5 12 17.5 min. al ut) COM 6 Lamp Terminal (+) 8.5 NO 14.5 Timers NC Circuit Breakers 13 min. 450 www.idec.com (