MINIATURE KSeries Features Choice of current ratings up to 25 amps Choice of actuators Choice of terminals 3 contact arrangements Choice of operating force Long mechanical life Wiping contact action Snap over actuators Agency approved extended life versions Flame retardant, UL94V-O self-extinguishing case and cover ARC-resistant case has internal barriers, 4mm minimum between live parts and external hardware Long-life snap action switch mechanism NC terminal NO terminal International Approved Versions Choice of U.S. (#4 screw) or metric (3mm screw) K Series switches, except 25A (KWS), are internationally approved. Switches with straight terminals may require insulated connectors for international approval. Single or double throw, either normally open or normally closed Common terminal Electrical Ratings Electrical Life at Rated Load According to VDE According to UL (Min. Operations) (Min. Operations) Switch Series EN61058 Rating UL1054 Rating KWA/KWB KWC/KWD KWE/KWF KWG/KWH KWJ/KWK KWL 50mA, 28VDC 1(0.5)A, 250VAC 3(1)A, 250VAC 6(2)A, 250VAC 10(3)A, 250VAC N/A KWM 16(4)A, 250VAC KWS N/A 50mA, 28VDC 1.0A, 125/250VAC 3A, 1/10HP, 125/250VAC 5A, 1/4HP, 125/250VAC 10A, 1/2HP, 125/250VAC 15.1A, 1/2HP, 125/250 VAC 5A, 125VAC Lamp Load (85C only) 0.5A, 125VAC (85C only) 0.25A, 250VAC (85C only) 15.1A, 1/2HP, 125/250VAC 0.5A, 125VDC (85C and 150C only) 0.25A, 250VDC (85C and 150C only) 15.1A, 1/2HP, 125/250VAC (200C only) 25A, 125/250VAC (85C only) 1HP, 125VAC (85C only) 2HP, 250VAC (85C only) 50,000 50,000 50,000 50,000 50,000 N/A 100,000 100,000 100,000 100,000 100,000 100,000 50,000 100,000 N/A 100,000 Specifications Electrical Temperature Rating: Flammability Rating: -40 to +85C, 150C or 200C UL94V-O Materials Case/Cover: Button: Auxiliary Actuator: Terminals: Moving Blade: Contacts: 44 Thermoplastic Polyester (85C or 150C) Liquid Crystal Polymer (200C) Thermoplastic Acetal (85C) Thermoplastic Polyester (150C) Liquid Crystal Polymer (200C) Cold-Rolled Steel (Nickel-Plated) Brass Copper (25 amp only) Beryllium Copper Silver Alloy (except KWA and KWB -- Gold-Plated) (R) Actuators Dimensions inches (mm) 1.140 (28.96) Standard type snap over hinged lever and roller actuators are available in choice of two pivot positions. Lengths are dimensioned from centerline of switch upper mounting hole as shown here. 0.174* (4.42) or 0.125 (3.18) 0.406 (10.31) 0.109 (2.77) 0.320 (8.13) 0.578 0.015 (14.68 0.38) Oper. Pos. 0.406 0.005 (10.31 0.13) 0.250* (6.35) or 0.187 (4.75) O 0.070 (1.78) 0.057 (1.45) 0.570 (14.48) 0.119 (3.02) 0.156 (3.96) 0.797 (20.24) 0.532 (13.51) 0.109 (2.77) 0.047 (1.19) Max. Pretravel Auxiliary Actuator 0.160 (4.06) OA 0.005 ( 0.13) Actuation Length Straight 0.320 (8.13) 0.625 (15.88) NC 0.112 (2.85) Roller NO COM 0.005 A (0.13) High Ratio 0.570 (14.48) 0.032 (0.81) or 0.020 (0.51) Mounting Holes U.S. Metric A Dim. 0.114 (2.90) B Dim. 0.126 (3.20) Mtg Screw 4-40 (3) Simulated Roller 0.360 (9.14) 0.875 0.005 (22.23 0.13) O B 0.005 ( 0.13) 0.236 (5.99) 0.282 (7.16) Ref. Line 0.532 (13.51) 0.368 (9.35) 0.122 (3.10) 0.134 (3.40) Standard Ratio Notes: SPDT switch (as shown) with 3 terminals NO, NC, and COM. SPST switch will have one terminal (NO or NC), and a COMMON terminal depending on switch type. Mounting *Applicable to 0.032 (0.8) thick by 0.250 (6.3) wide tabs only. Recommended mounting screw size: #4-40 Round head. Recommended torque on screw: 3 inch lbs. max. Dog Leg Terminal Actuator Specifications Maximum Operating Force (gms.) Actuator Type Switch Type KWA, KWC, KWE KWG KWD, KWJ KWB, KWF KWH, KWK, KWM A 25 KWS 50 75 150 225 B 25 50 75 150 225 C 14 27 40 80 120 D 6 12 18 36 54 E 15 30 44 88 132 F 8 15 23 45 67 G 4 7 10 20 30 J 16 31 46 92 138 M 9 18 26 52 77 Q 15 29 43 85 127 T 8 16 24 47 71 Maximum Pre-Travel inches (mm) Operating Point* inches (mm) Minimum Over-Travel inches (mm) Max. Movement Differential inches (mm) Actuation Length** inches (mm) 0.047 (1.19) 0.064 (1.63) 0.128 (3.26) 0.284 (7.22) 0.116 (2.95) 0.230 (5.85) 0.512 (13.01) 0.110 (2.80) 0.200 (5.08) 0.120 (3.05) 0.218 (5.54) 0.563/0.593 (14.31/15.06) 0.621/0.585 (15.78/14.85) 0.637/0.569 (16.18/14.45) 0.679/0.527 (17.25/13.38) 0.634/0.572 (16.11/14.52) 0.665/0.541 (16.90/13.74) 0.739/0.467 (18.78/11.86) 0.758/0.698 (19.26/17.72) 0.781/0.675 (19.84/17.14) 0.852/0.786 (21.65/19.96) 0.877/0.761 (22.28/19.32) 0.050 (1.27) 0.051 (1.29) 0.085 (2.16) 0.182 (4.62) 0.074 (1.88) 0.146 (3.71) 0.407 (10.33) 0.088 (2.23) 0.115 (2.92) 0.096 (2.43) 0.173 (4.39) 0.010 (0.25) 0.012 (0.31) 0.030 (0.76) 0.051 (1.30) 0.021 (0.54) 0.041 (1.05) 0.091 (2.32) 0.020 (0.51) 0.036 (0.92) 0.022 (0.56) 0.039 (1.00) -- -- 0.865 (21.97) 1.400 (35.56) 2.722 (69.14) 1.077 (27.36) 1.612 (40.94) 2.934 (74.52) 1.254 (31.85) 1.466 (37.24) 1.340 (34.04) 1.552 (39.42) *Measured above reference line. Refer to dimensional drawing above. **Actuator tolerance .0.031 inches (0.79mm). Ordering Information K A Series/Prefix Light Standard Current Code Force Code Force Rating Notes A 25 B 75 50mA 1 C 25 D 75 1A 1 E 25 F 75 3A 1 G 50 H 150 5A 1 J 75 K 150 10A 1 L 150 15A 3 M 150 15A 2 S 225 25A 3, 5 D Code A B C D E Q Temperature Rating 85C UL/CUL 150C UL/CUL 200C UL/CUL 85C UL/CUL/VDE 150C UL/CUL/VDE Notes: 1. CULUS rated for 100,000 cycles at 85C, 150C, 200C. VDE rated for 150C only. Code P4 Q R S T V W A C A Terminal Type inches (mm) 0.062 x 0.032 (1.57 x 0.81) PCB* 0.187 x 0.020 (4.75 x 0.51) Straight 0.187 x 0.020 (4.75 x 0.51) Dog Leg 0.187 x 0.032 (4.75 x 0.81) Straight 0.187 x 0.032 (4.75 x 0.81) Dog Leg 0.250 x 0.032 (6.35 x 0.81) Straight 0.250 x 0.032 (6.35 x 0.81) Dog Leg *PCB terminals are lateral to case only. 2. CULUS rated for 100,000 cycles at 85C, 150C, 200C. VDE rated for 85C only. 3. CULUS rated for 100,000 cycles at 85C only. 4. Available in 10A and lower, CULUS rated for 100,000 cycles at 85C and 150C. 5. Available with 0.250 x 0.032 terminals only. Code A B C D E F G J M Y Q W T Code Mounting Holes A U.S. B Metric Code A B C Configuration Normally Open Normally Closed Double Throw Snap Over Actuators Actuation Length Type Button Straight SR Straight SR Straight SR Straight HR Straight HR Straight HR SIM Roller SR SIM Roller HR Roller SR Roller SR Roller HR Roller HR inches (mm) 0.865 (21.97) 1.400 (35.56) 2.722 (69.14) 1.077 (27.36) 1.612 (40.95) 2.934 (74.52) 1.254 (31.85) 1.466 (37.24) 0.810 (20.57) 1.340 (34.04) 1.022 (25.96) 1.552 (39.42) Available as internal mounting only. Specifications subject to change without notice. 45