Lighted Pushbutton Switch A3C Cylindrical 12-dia. Series with Superb Operability, High Visibility, and Compact Housing Three models of pushbutton units (round, square, and rectangular), two types of light-emitting elements (LED and lamp), and two types of switch units (switching general-purpose and microcurrent/ voltage loads) available. Models that can be used as an indicator also available. Requires only 20 mm mounting depth Efficiency in wiring improved by terminals arranged on the same surface. All LEDs, lamps, lenses, and legends replaceable without tools UL (E41515) and CSA (LR45258-31) approved Ordering Information Lighted Type When placing your order, specify the individual component part model numbers of the pushbutton unit, LED, lamp, and switch unit, as listed in the ordering tables below. Non-lighted Type When placing your order, specify the model numbers of the pushbutton and switch units. Pushbutton Unit A3Cj-501j Switch Unit A3Cjj-7jjj 1 A3C A3C Lighted Pushbutton Unit LED Non-lighted Type Button color Rectangular Square Round Button color Rectangular Square Round Red A3CJ-500R A3CA-500R A3CT-500R Red A3CJ-500R A3CA-500R A3CT-500R Yellow A3CJ-500Y A3CA-500Y A3CT-500Y Yellow A3CJ-500Y A3CA-500Y A3CT-500Y Green A3CJ-500GY A3CA-500GY A3CT-500GY Green A3CJ-500G A3CA-500G A3CT-500G White A3CJ-500W A3CA-500W A3CT-500W White A3CJ-500W A3CA-500W A3CT-500W Blue A3CJ-500A A3CA-500A A3CT-500A Black A3CJ-500B A3CA-500B A3CT-500B Note: With the exception of green, all pushbutton units can be used with either LED or incandescent lamps. Since the hue of green changes with an incandescent light source, use the green LED light source listed elsewhere. Incandescent Lamp Button color Rectangular Square Round Red A3CJ-500R A3CA-500R A3CT-500R Yellow A3CJ-500Y A3CA-500Y A3CT-500Y Green A3CJ-500G A3CA-500G A3CT-500G White A3CJ-500W A3CA-500W A3CT-500W Blue A3CJ-500A A3CA-500A A3CT-500A Indicator (Same as A3B) LED Rated voltage Color 5 VDC 12 VDC 24 VDC Red A3B-005R A3B-012R A3B-024R Yellow A3B-005Y A3B-012Y A3B-024Y Green A3B-005G A3B-012G A3B-024G White A3B-005W A3B-012W A3B-024W Incandescent Lamp 6 VDC Rated voltage 14 VDC A3B-006 Model 28 VDC A3B-014 A3B-028 Switch Unit Configuration g Contact Switch action Degree of protection: IP00 Terminal Rectangular General purpose SPST-NO+ SPST NC SPST-NC Micro-load Momentary Momentary y 2 Round A3CJ-7011 A3CA-7011 A3CT-7011 A3CJ-7021 A3CA-7021 A3CT-7021 Solder A3CJ-7111 A3CA-7111 A3CT-7111 PCB A3CJ-7112 A3CA-7112 A3CT-7112 Solder A3CJ-7121 A3CA-7121 A3CT-7121 PCB A3CJ-7122 A3CA-7122 A3CT-7122 Solder M2CJ-7001 M2CA-7001 M2CT-7001 PCB M2CJ-7002 M2CA-7002 M2CT-7002 Alternate Alternate For indication only y (no ( switch)) Solder Square A3C A3C Specifications Applicable Load Range Contact Ratings Item Model AC resistive load DC resistive load General-purpose load 0.5 A, 250 VAC 1 A, 125 VAC 1 A, 30 VDC Micro current/voltage load (see note) 0.1 A, 125 VAC 0.1 A, 30 VDC Note: The minimum permissible load is 1 mA, 5 VDC. LED Ratings Rated voltage Rated current Operating voltage 5 VDC 30 mA 5 VDC!5% 12 VDC 15 mA 12 VDC!5% 24 VDC 10 mA 24 VDC!5% Lamp Ratings Rated voltage Rated current Operating voltage 6V 60 mA 5V 14 V 40 mA 12 V 28 V 24 mA 24 V Characteristics Operating frequency Mechanical: Momentary-action type: 120 operations per minute max. Alternate-action type: 60 operations per minute max. Electrical: 20 operations per minute max. Insulation resistance 100 M" min. (at 500 VDC) Dielectric strength 1,000 VAC, 50/60 Hz for 1 minute between terminals of same polarity 2,000 VAC, 50/60 Hz for 1 minute between terminals of different polarity and also between each terminal and ground Vibration Mechanical/malfunction durability: 10 to 55 Hz, 1.5 mm double amplitude Shock Mechanical durability: 500 m/s2 (approx. 50 G) Malfunction durability: 150 m/s2 (approx. 15 G) Ambient temperature Operating: --10#C to 55#C Humidity 35 to 85% RH Life expectancy Mechanical: Momentary-action type: 1,000,000 operations min. Alternate-action type: 100,000 operations min. Electrical: 100,000 operations min. Weight Approx. 5 g (see note) The weight indicated here applies to the lighted type (SPST-NO+SPST-NC). Microcurrent/Voltage Load Operating Characteristics 0.1 A, 125 VAC 250 g OF max. 0.1 A, 30 VDC 30 g RF min. Note: TT 3.5!0.5 mm LTA min. 0.5 mm PT max. 2.5 mm Approved by Standards UL (File No. E41515) CSA (File No. LR45258-31) Rating General-purpose Type 1 A, 125 VAC 0.5 A, 250 VAC 1 A, 30 VDC 3 A3C A3C Dimensions The following dimensions apply to the switch unit with SPST-NO+SPST-NC contact configuration, with solder terminals. Rectangular A3CJ Panel cutout Square A3CA Panel cutout 15 min. Round A3CT Legend Plate A3CJ Note: A3CA A3CT 1. The thickness is 0.8 mm. 2. Since the legend plate is made of polycarbonate, use alcohol-based paints such as melanin, phthalic acid, or acryl paint when marking the legend. 4 A3C A3C Terminals/Connections Type Terminal SPST-NO+SPST-NC Solder terminal Lighted type, non-lighted type For indication Indicator Terminal hole Terminal hole (bottom view) PCB terminal Lighted type, non-lighted type (bottom view) Indicator 6.1 Mounting hole (bottom view) (bottom view) Mounting hole (bottom view) (bottom view) 5 A3C A3C Accessories (Order Separately) Name Shape Socket Classification Model Remarks Cannot be used with insulation cover. Wire-wrap terminal A3B-4101 PCB terminal A3C-4102 Solder terminal A3C-4103 Insulation Cover --- A3C-3002 Cannot be used with socket. Switch Guard Rectangular A3CJ-5050 Cannot be used with seal cover. Dust Cover For all shapes A3CJ-5060 Cannot be used with seal cover. Tightening Tool --- A3C-3004 Useful for mounting switch units one after another. Do not over-tighten. Extractor --- A3PJ-5080 Cannot be used with seal cover. Legend g Pl t Plate Rectangular A3CJ-5201 Square A3CA-5201 One legend g plate p is supplied pp per p standard t d d switch it h unit. it Round A3CT-5201 Dimensions with Socket Wire-wrap Terminal Terminal Hole 6 PCB Terminal Mounting Hole (Bottom View) Solder Terminal A3C A3C Dimensions with Switch Guard Dimensions with Insulation Cover The following dimensions apply to the rectangular pushbutton unit. After mounting the switch unit on a panel, and after tightening the mounting nut, insert the lead wires into the hole on the insulation cover before wiring. Align the insulation cover so that the cylindrical portion of the insulation cover will face the switch unit. This means that the lead wires will be inserted from the barrier side of the insulation cover. After wiring has been completed, slide the insulation cover over the switch unit. Insulation cover attached to switch Panel Cutout (Top View) Assembly/Disassembly Mounting and Replacing Pushbutton Unit Mounting directions for the LED/lamp and pushbutton unit The OMRON Pushbutton Unit doubles the roles in which a pushbutton switch is normally used. The pushbutton unit may be inserted one of two ways: 1. For operation as a lighted pushbutton switch, fit the LED/lamp sop that its guide projection is inserted into the wider opening in the receptacle of the pushbutton unit. 2. For operation as an indicator unit, insert the LED/lamp guide projection into the narrower opening in the indicator unit's receptacle. Push the projection of the LED/lamp in the groove of the pushbutton unit so that the LED/lamp is firmly inserted into the pushbutton unit of the indicator unit. Note: The inserting direction of the LED/lamp for the pushbutton unit is the opposite of that for the indicator unit. Pay attention to the mounting direction of the legend plate. 7 A3C A3C Removing the Pushbutton Unit With your thumb and forefinger, while holding the recessed portions on both sides, firmly and steadily pull out the top of the pushbutton unit. Pulling out the cap with pliers or a similar tool will damage the cap. Mounting Switch Unit on Panel Nut Mounting $ Insert the switch unit from the front of the panel and tighten the mounting nut inserted from the rear of the panel. $ Since a projection exists on the rear portion of the switch unit, if the mounting nut cannot be fitted into position, turn the nut slightly. $ The tightening torque of the mounting nut should be less than 5 kg-cm. $ Solder the terminals after mounting the nut. Otherwise, the terminals, when thickened by solder, may prevent the nut from being screwed down onto the switch unit. Wiring $ Finish soldering within 5 seconds with a 30 watt soldering iron, or within 3 seconds at a solder temperature of 240#C. For about a minute after soldering, do not apply any force to the switch unit, to avoid deforming the softened plastic switch unit base. $ Use a non-corrosive, resin-based soldering flux. Construction ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. A030-E1-3 8