New Product Plateau Head Pushbutton Switch A3U Easy connector enables less assembly and less wiring 50 mm body length. Highly reliable Major Omron basic switch, SS model built in. Possible cross over wiring on circuit construction. Easy one push to connect the Operation and Switch Units. 22 dia of the push button head size is suitable for operation. Model Number Structure Model Number Legend....For information on combinations, refer to Ordering Infomation. ( ) ( )()()()( ) 1 2 3 4 5 6 A3U -T - A C- M (1) Lighted/Non-lighted (3) Color of Pushbutton and light (4) Light Source Symbol Type Symbol Pushbutton Lighted Non-lighted Symbol Operating Voltage No symbol Non-lighted W White*1 No symbol Non-lighted LLighted RRed 15 VDC Y Yellow 2 12 VDC (2) Flange Color GGreen 3 24 VDC UUmber*2 Symbol Color (5) Contact Configuration ABlue BBlack BBlack Symbol Type M Metallic* 1SPDT *1. For the lighted-type, the cap color is * Available soon. transparent and the LED is white. 2DPDT *2. For the lighted-type, the cap color is transparent and the LED is umber. (6) Degree of Protection Symbol Protection None IP40 5IP65* * Available soon. Ordering Information Type Lighting Output LED Voltage Model Pushbutton color symbol 5 VDC A3UL-TB -1A1C-M W : Transparent SPDT 12 VDC A3UL-TB -2A1C-M R : Red 24 VDC A3UL-TB -3A1C-M Y : Yellow LED Plateau Head G : Green 5 VDC A3UL-TB -1A2C-M Pushbutton U : Umber DPDT 12 VDC A3UL-TB -2A2C-M Switch A : Blue 24 VDC A3UL-TB -3A2C-M SPDT A3U-TB -A1C-M W : White R : Red Y : Yellow Non-lighted G : Green B : Black A : Blue DPDT A3U-TB -A2C-M Specifications Approved Standard Ratings Certification Authority UL (See Note: 1 and Note: 2) TV (See Note: 3) UL508 Certification no. EN60947-5-1 CSA C22.2 No.14 Rating 30 VDC 0.1 A 12 30 VDC 0.1 A File no. E41515 J50236157 Note: 1. Only Switch Blocks are recognized by UL. (Surrounding air Temperature: 55 C) Note: 2. Please use the power supply specified in UL class 2. Note: 3. Use 4A 250V as short-circuit protective device when using under EN authorized rating standard (IEC60127-2 SS1). 1A3U Ratings Contacts Super-bright LED 30 VDC, 0.1 A (Resistive load) Rated voltage Rated current Operating voltage Minimum applicable load: 1 mA at 5 VDC 5 VDC 5 VDC 5 % Rated values are obtained from tests conducted under the following conditions. 12 VDC 15 mA 12 VDC 5 % 1. Load: Resistive load 24 VDC 24 VDC 5 % 2. Mounting conditions: No vibration and no shock 3. Temperature: 20 2 C 4. Operating frequency: 20 operations/min Characteristics Operating Characteristics Item Pushbutton Switch Features A3U Allowable Mechanical 60 operations/minute max. Operating force (OF) max. 4.5 N operating Electrical 30 operations/minute max. Pretravel (PT) max. 3.3 mm frequency Total travel (TT) Approx. 3.7 mm Insulation resistance 100 M min. (at 500 VDC) Contact resistance 250 m max. (initial value) Between terminals of 500 VAC, 50/60 Hz for 1 minute Circuit Diagram same polarity Between terminals of 500 VAC, 50/60 Hz for 1 minute CN different polarity Dielectric SW1 strength Between each 1 1,500 VAC, 50/60 Hz for 1 minute terminaland ground 2 Between all LED terminals 500 VAC, 50/60 Hz for 1 minute and all the other terminals 3 Vibration 10 to 55 Hz, 1.5-mm double amplitude Malfunction 4 resistance (malfunction within 1 ms) R LED 5 Shock 2 Malfunction 300 m/s max. (malfunction within 1 ms) resistance 6 Mechanical 1,000,000 operations min. Durability 7 Electrical 200,000 operations min. 8 Connector holding force 40 N max. SW2 Rated insulation voltage (Ui) 30 V (EN60947-5-1) 9 Electric shock protection class Class II 10 Degree of contamination 3 (EN60947-5-1) Between terminals of Note3 same polarity Impulse 1. This circuits shows the lighted/bipolar type. Between terminals of withstand 800 V (EN60947-5-1) 2. SW2 isn t mounted on 1 pole type. different polarity voltage 3. An LED and R aren t mounted on the non-lighted type. Between each terminal and ground Conditional short-circuit current 100A (EN60947-5-1) Conventional enclosed thermal 0.1A (EN60947-5-1) current (Ithe) Weight Approx. 30 g Degree of protection IP40, IP65 -20 C to 70 C (Non-lighted type) Ambient operating temperature -20 C to 70 C (lighted type) (with no icing or condensation) Ambient operating humidity 35 % to 85 % RH -40 C to 70 C Ambient storage temperature (with no icing or condensation) Ambient storage humidity 35 % to 85 % RH Dimensions (unit: mm) 0 2.4 -0.1 A3U MIN30 Directionality display Connector B10B-PASK (JST) 4-R0.5 max (Reference MIN45) ( mark) Terminal No. 25.2 dia. 0.1 23.5 22 dia. 1.8 29 17 46.8 2 49.8 Mouthing Lot. No. Pushbutton Unit nut Switch unit Lock ring Marking 2 28.2 dia. 30 TOP VIEW MIN32 (Reference MIN40)