Key-type Selector Switch A165K Mounting Aperture of 16 mm  Modular construction  Oil-resistant IP65 models  UL and cUL approved.  Conforms to EN60947-5-1, IEC947-5-1  Short mounting depth, less than 28.5 mm below panel  Wide range of switching capacity from standard to microload  Automatic and manual models available Model Number Structure ■ Model Number Legend Completely Assembled The model numbers used to order sets of Units are illustrated below. One set comprises the Selector, Switch, and 2 Keys. (1) (2) (3) A 1 6 5 K - J 3ML - 2 (1) Shape of Selector (3) Contact Configuration Symbol Shape Color Symbol Type Terminal J Rectangular 1 SPDT Solder A Square Terminal 2 DPDT Black T Round 1P SPDT PCB BA Square 2P DPDT Terminal (24-mm square) 2S DPDT Screw-Less (2) Number of Notches/Resetting Method Clamp Symbol No. of notches Reset method Key release position 2ML Left Note: 1. Only DPDT contacts are available with 3-notch mod- 2MR Right Manual 2 notches els 2M Left and right 2. PCB terminals are available 2AL Automatic Left only with 2-notch models. 3MC Center 3MR Right 3 notches Manual 3ML Left 3M Left, right, and center 3AC 3 notches Automatic Center 3MAC Center CCW-manual, 3MAL Left 3 notches CW-automatic 3MA Left, center 3AMC Center CCW-automatic, 3AMR Right 3 notches CW-manual 3AM Center, right Key-type Selector Switch A165K G-43 Pushbutton Switches Subassembled 1. Selector A165K-@@ 1 2 1. Flange Shape 2. Number of Notches/Reset Method/Key Release Position J: Rectangular 2ML: 2 notches/Manual/Left A: Square 2MR: 2 notches/Manual/Right T: Round 2M: 2 notches/Manual/Right and left BA: Square (24-mm square) 2AL: 2 notches/Automatic/Left 3MC: 3 notches/Manual/Center 3MR: 3 notches/Manual/Right 3ML: 3 notches/Manual/Left 3M: 3 notches/Manual/Right, left, and center 3AC: 3 notches/Automatic/Center 2. Switch (Same as for Knob-type Selector Switches) A16S-@-@@ 1 2 3 1. Number of Notches 2N: 2 notches 3N: 3 notches 2. Contacts 1: SPDT 2: DPDT 3. Terminals None: Solder terminals (tab terminals #110) G-44 Key-type Selector Switch A165K Ordering Information ■ List of Models Ordering as a Set The model numbers used to order sets of Units are given in the following tables. One set comprises the Selector and Switch. Solder Terminals A165K-J (Rectangular) Models IP65 Oil-resistant Number of notches Output Reset method Key release position Model 2 notches SPDT Left A165K-J2ML-1 Manual Right A165K-J2MR-1 Left and right A165K-J2M-1 Left A165K-J2AL-1 Automatic DPDT Left A165K-J2ML-2 Manual Right A165K-J2MR-2 Left and right A165K-J2M-2 Left A165K-J2AL-2 Automatic 3 notches DPDT Center A165K-J3MC-2 Manual Right A165K-J3MR-2 Left A165K-J3ML-2 Left, right, and center A165K-J3M-2 A165K-A (Square) Models IP65 Oil-resistant Number of notches Output Reset method Key release position Model 2 notches SPDT Left A165K-A2ML-1 Manual Right A165K-A2MR-1 Left and right A165K-A2M-1 Left A165K-A2AL-1 Automatic DPDT Left A165K-A2ML-2 Manual Right A165K-A2MR-2 Left and right A165K-A2M-2 Left A165K-A2AL-2 Automatic 3 notches DPDT Center A165K-A3MC-2 Manual Right A165K-A3MR-2 Left A165K-A3ML-2 Left, right, and center A165K-A3M-2 Key-type Selector Switch A165K G-45 Pushbutton Switches A165K-T (Round) Models IP65 Oil-resistant Number of notches Output Reset method Key release position Model 2 notches SPDT Left A165K-T2ML-1 Manual Right A165K-T2MR-1 Left and right A165K-T2M-1 Left A165K-T2AL-1 Automatic DPDT Left A165K-T2ML-2 Manual Right A165K-T2MR-2 Left and right A165K-T2M-2 Left A165K-T2AL-2 Automatic 3 notches DPDT Center A165K-T3MC-2 Manual Right A165K-T3MR-2 Left A165K-T3ML-2 Left, right, and center A165K-T3M-2 G-46 Key-type Selector Switch A165K Ordering Individually Selectors and Switches can be ordered separately. Combinations that are not available as sets can be created using individual Units. Also, store the parts as spares for maintenance and repairs. Selectors Appearance Number of notches Reset method Key release position Model 2 notches Manual A165K-J2ML Rectangular (A165K-J) A165K-J2MR A165K-J2M A165K-J2AL Automatic 3 notches Manual A165K-J3MC A165K-J3MR A165K-J3ML A165K-J3M A165K-J3AC Automatic 3 notches A165K-J3MAC Mixed- operation A165K-J3MAL A165K-J3MA A165K-J3AMC Mixed- operation A165K-J3AMR A165K-J3AM 2 notches Manual A165K-A2ML Square (A165K-A) A165K-A2MR A165K-A2M A165K-A2AL Automatic 3 notches Manual A165K-A3MC A165K-A3MR A165K-A3ML A165K-A3M A165K-A3AC Automatic 3 notches A165K-A3MAC Mixed- operation A165K-A3MAL A165K-A3MA A165K-A3AMC Mixed- operation A165K-A3AMR A165K-A3AM Key-type Selector Switch A165K G-47 Pushbutton Switches Appearance Number of notches Reset method Key release position Model 2 notches Manual A165K-T2ML Round (A165K-T) A165K-T2MR A165K-T2M A165K-T2AL Automatic 3 notches Manual A165K-T3MC A165K-T3MR A165K-T3ML A165K-T3M A165K-T3AC Automatic 3 notches A165K-T3MAC Mixed- operation A165K-T3MAL A165K-T3MA A165K-T3AMC Mixed- operation A165K-T3AMR A165K-T3AM Switches Appearance Classification Model Switch 2 notches SPDT Solder terminal A16S-2N-1 DPDT A16S-2N-2 3 notches DPDT A16S-3N-2 2 notches SPDT PCB terminal A16S-2N-1P DPDT A16S-2N-2P Switches with Screw-Less Clamp Appearance Classification Model Remarks Common to general DPDT 2 notches Non-lighted A16-2S Common to ones load and micro for pushbutton load. switches. 3 notches A16S-3N-2LS --- Accessories (Order Separately) Accessories Name Appearance Classification Model Remarks Panel Plugs Rectangular A16ZJ-3003 Used for covering the panel cutouts for future panel expansion. Square A16ZA-3003 Degree of protection: IP40 Round A16ZT-3003 G-48 Key-type Selector Switch A165K Tools Name Appearance Model Applicable types Remarks Pushbutton Knob-type Key-type Emer- Indicator Switch Selector Selector gency Stop Switch Switch Switch Screw Fitting A16Z-3004 Yes Yes Yes Yes Yes Convenient for ganged installation. Tighten to a torque of 0.98 N·m Extractor A16Z-5080 Yes Yes Yes Yes Yes Convenient for extract- ing the Switches and Lamps. Key Appearance Model A165K-KEY Note: Two Keys are provided. Specifications ■ Approved Standards Agency Standards File No. UL, cUL (See note.) UL508 E41515 --- EN60947-5-1 --- Note: cUL: CSA, C22.2 No. 14 ■ Approved Standard Ratings UL, cUL (File No. E41515) 5 A at 125 VAC, 3 A at 250 VAC (general use) 3 A at 30 VDC (resistive) EN60947-5-1 (Low Voltage Directive) 3 A at 250 VAC (AC12), 3 A at 30 VDC (DC12) ■ Ratings Contacts AC resistive load DC resistive load 3 A at 250 VAC 3 A at 30 VDC 5 A at 125 VAC Minimum applicable load: 1 mA at 5 VDC Rated values are obtained from tests conducted under the following conditions. 1. Load: Resistive load 2. Mounting conditions: No vibration and no shock 3. Temperature: 20±2°C 4. Operating frequency: 20 times/min Key-type Selector Switch A165K G-49 Pushbutton Switches ■ Characteristics Item Key-type Selector Switch Allowable operating Mechanical 20 operations/minute max. frequency Electrical 10 operations/minute max. Insulation resistance 100 MΩ min. (at 500 VDC) Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between terminals of same polarity 2,000 VAC, 50/60 Hz for 1 min between terminals of different polarity and also between each terminal and ground Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms) 2 Shock resistance Mechanical 500 m/s 2 Malfunction 150 m/s max. (malfunction within 1 ms) Durability Mechanical 250,000 operations min. (durability of key: 10,000 operations min.) Electrical 100,000 operations min. Ambient temperature Operating: −10°C to 55°C (with no icing or condensation) Storage: −25°C to 65°C (with no icing or condensation) Ambient humidity Operating: 35% to 85% Electric shock protection class Class II PTI (tracking characteristic) 175 Degree of contamination 3 (IEC947-5-1) Weight Approx. 26.5 g (in the case of a DPDT switch key) Note: Set and reset constitute one operation. Screw-less Clamp Item Screw-less Clamp 2 Recommended wire size 0.5 mm twisted wire or 0.8 mm-dia. solid wire 2 2 2 2 Usable wires and ten- Twisted wire 0.3mm 0.5 mm 0.75 mm 1.25 mm sile strength Solid wire 0.5 mm dia. 0.8 mm dia. 1.0 mm dia. --- Tensile strength 10 N 20 N 30 N 40 N Length of exposed wire 10 ±1 mm ■ Operating Characteristics Type Key-type Selector Switch 2 notches 3 notches Features Operating force (OF) max. 9.8 N·m +10 Set position (SP) 90±5° 45° / 0 ■ Operation Angle Two notches Three notches (75°) (45°) (45°) Note: The angle used for automatic reset is shown in parentheses. G-50 Key-type Selector Switch A165K ■ Contact Form Name Contact DPDT NC COM NO SW1 SW2 Notch Contact SPDT DPDT Position SW Position SW1 SW2 2 notches 3 notches --- Key-type Selector Switch A165K G-51 Pushbutton Switches Nomenclature Selector Key Flange Shape Rectangular (A165K-J) Number of Notches and Reset Method • 2 Notches Manual Square (A165K-A) Automatic • 3 Notches Manual Mixed-operation Round (A165K-T) Protective Structure • Oil-resistant IP65 Switch Switch Specifications • Standard Loads 5 A at 125 VAC 3 A at 250 VAC 3 A at 30 VDC Minimum applicable load: 1 mA at 5 VDC Terminal Type • Solder terminals (tab terminals #110) • PCB terminals G-52 Key-type Selector Switch A165K Dimensions Note: All units are in millimeters unless otherwise indicated. ■ Key-type Selector Switches Rectangular A165K-J Solder terminals (tab terminals #110) Model, standard, lot No., serial number Mounting nut Packing (t0.5) Lock ring Note: See page 14 for panel cutouts. Square A165K-A Solder terminals (tab terminals #110) Model, standard, lot No., serial number Mounting nut Packing (t0.5) Lock ring Note: See page 14 for panel cutouts. Round A165K-T Solder terminals (tab terminals #110) Model, standard, lot No., serial number Mounting nut Packing (t0.5) Lock ring Note: See page 14 for panel cutouts. Key-type Selector Switch A165K G-53 Pushbutton Switches The following diagrams show the rectangular model as a representative example. Rectangular A165K-J PCB terminals Mounting nut Packing (t0.5) Lock ring Note: See page 14 for panel cutouts. Rectangular A165K@-2S Screw-Less Clamp Switch dismounting lever Lock ring Mounting ring Packing (t0.5) (for oil-resistant IP65 only) G-54 Key-type Selector Switch A165K ■ Terminal Arrangement Models with Solder Terminals without Reduced-voltage Lighting Lamp terminals are not provided with the Non-lighted Knob-type Selector Switches and Key-type Selector Switches. Lighted SPDT Switches Lighted DPDT Switches Terminal Arrangement Terminal Arrangement (Bottom View) (Bottom View) Dimensions of Dimensions of Terminal Holes Terminal Holes Note: The L+ is not shown Lamp terminal Lamp terminal Note: The L+ is not shown on the Switch. on the Switch. Non-lighted SPDT Switches Non-lighted DPDT Switches Terminal Arrangement Terminal Arrangement (Bottom View) (Bottom View) Side with TOP Side with TOP Dimensions of Dimensions of indicated indicated Terminal Holes Terminal Holes Lighted Models with PCB Terminals Lighted SPDT Switches Lighted DPDT Switches Terminal Arrangement Terminal Arrangement Model, rating, and lot (Bottom View) (Bottom View) number indication Dimensions of Side with TOP Side with TOP Dimensions of indicated PCB Terminals indicated PCB Terminals PCB Cutouts PCB Cutouts Lamp terminal (t=0.5) (Bottom View) Lamp terminal (t=0.5) (Bottom View) Side with TOP indicated Side with TOP indicated Eight, 1 dia. Eight, 1 dia. Two, 5 dia. Two, 5 dia. Note: For details of the terminal arrangement for Screw-Less Clamps, refer to the corresponding section for the A16. Key-type Selector Switch A165K G-55 Pushbutton Switches Non-lighted Models with PCB Terminals Lamp terminals are not provided with the Non-lighted Knob-type Selector Switches and Key-type Selector Switches. Non-lighted SPDT Switches Non-lighted DPDT Switches Terminal Arrangement Model, rating, and lot (Bottom View) Dimensions of Side with TOP indicated number indication PCB Terminals Side with TOP indicated Dimensions of PCB Terminals PCB Cutouts PCB Cutouts (Bottom View) (Bottom View) Side with TOP indicated Side with TOP indicated Six, 1 dia. Three, 1 dia. Two, 5 dia. Two, 5 dia. ■ Panel Cutouts Models with Solder Terminals Rectangular Square A165@-A A165@-J Round A165@-T (Top View) (Top View) +0.2 +0.2 16 dia. 24 min. 0 16 dia. 0 19 min. 19 min. 19 min. Note: 1. Make sure the thickness of the mounting panel is 0.5 to 3.2 mm. 2. If the panel is to be finished with coating, etc., make sure that the panel meets the specified dimensions after coating. G-56 Key-type Selector Switch A165K Models with PCB Terminals Rectangular Square A165@-A Rectangular A165@-J Round A165@-T A165K@-2S (Top View) (Top View) (Top View) +0.2 +0.2 +0.2 16 dia. 25 min. 24 min. 16 dia. 16 dia. 0 0 0 24 min. 19 min. 24 min. 33 min. (Dimension A) Recommended panel thickness: 0.5 to 3.2 mm Note: 1. Ensure that the variation in the distance between the centers of neighboring mounting holes is less than ±0.1 mm. 2. Make sure the thickness of the mounting panel is 0.5 to 3.2 mm. If, however, a Switch Guard or Dust Cover is used, the thickness of the mounting panel must be 0.5 to 2 mm. 3. If the panel is to be finished with coating, etc., make sure that the panel meets the specified dimensions after coating. Installation For details on mounting the Switch to a panel, and mounting and dismounting the Switch, refer to installation details for the A16 Pushbutton Switch. ■ Panel Mounting Refer to the Installation section for the A16. ■ Mounting and Replacing the Pushbutton Refer to the Installation section for the A16. ■ Flange Rotation A165 Key-type Selector Switch Fix the Switch screw and rotate the flange in 45° turns. Flange Lock ring Switch screw Precautions Refer to the Technical Information for Pushbutton Switches (Cat. No. A143) and the Precautions section for the A16. Key-type Selector Switch A165K G-57 Pushbutton Switches ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. In the interest of product improvement, specifications are subject to change without notice. Cat. No. A126-E1-02 G-58 Key-type Selector Switch A165K