subminiature da series features long life coil spring construction standard gold crosspoint contacts (0.1 amp) for low level switching applications silver contact low voltage dab version also available. consult factory. five standard terminals to choose from automated assembly insures high quality and reliability choice of external snap-on actuators custom actuators available vde approved specifications electrical temperature rating: -40 to +85c flammability rating: ul94v-0 materials case: thermoplastic polyester actuating button: thermoplastic acetal terminals: silver-plated bronze moving blade: silver-plated beryllium copper spring: copper-coated stainless steel auxiliary actuator: stainless steel roller: stainless steel contacts: gold crosspoint (da3) , silver (dab) stainless steel spring thermoplastic actuating button thermoplastic cover and base gold crosspoint contacts silver-plated terminals common terminal nc terminal no terminal beryllium copper moving blade electrical ratings electrical life at rated load switch according to vde according to ul series en61058 rating ul1054 rating (min. operations) (min. operations) da3 0.1(0.05)a, 50vac 0.1a, 125vac 50,000 100,000 dab n/a 5a, 24vac; 1a, 48vdc n/a 6,000
17 0.781 (19.84) 0.250 (6.35) 0.089 (2.26) case opening diameter reference line operate position 0.352 (8.94) 0.085 (2.16) 0.091 (2.31) 0.405 (10.29) 0.238 (6.05) 0.075 (1.91) 0.209 (5.31) 0.093 (2.36) 0.085 (2.16) 0.091 (2.31) 0.375 (9.53) 0.095 (2.41) 0.101 (2.57) 0.375 (9.53 0.005 0.13) + - + - 0.330 (8.38 0.015 0.38) + - + - 0.081 (2.06) button diameter 0.300 (7.62 0.010 0.25) + - + - com n.o. n.c. 0.110 (2.79) 0.125 (3.18) 0.110 x 0.020 (2.79 x 0.51) 0.110 (2.79) 0.344 (8.74) 0.110 x 0.020 (2.79 x 0.51) 0.050 (1.27) 0.160 (4.06) 0.191 (4.85) 0.050 x 0.020 (1.27 x .51) 0.110 (2.79) 0.293 (7.44) 0.110 x 0.020 (2.79 x 0.51) 0.093 (2.36) 0.250 (6.35) 0.093 x 0.020 (2.36 x 0.51) terminals qc (code b) ss (code d) pcb (code h) qc (code f ) din (code k ) 0.050 (1.27) dia. 0.058 (1.47) dia. 0.051 (1.30) dia. da 3 c b 1 a a series/prefix code current rating 3 0.1a, 125vac b 5a, 24vdc code terminal configuration 1 standard code contact configuration a spst no b spst nc c spdt code terminal type inches (mm) b 0.110 x 0.020 (2.79 x 0.51) qc d 0.110 x 0.020 (2.79 x 0.51) ss f 0.093 x 0.020 (2.36 x 0.51) qc h 0.050 x 0.020 (1.27 x 0.51) pcb k 0.110 x 0.020 (2.79 x 0.51) din code actuation length inches (mm) code actuator type a b c aa button l lever standard ratio 0.154 (3.91) 0.271 (6.88) 0.403 (10.24) m lever high ratio 0.279 (7.09) 0.396 (10.06) 0.528 (13.41) r roller standard ratio -0.061 (-1.55) 0.201 (5.11) 0.330 (8.38) t roller high ratio 0.064 (1.63) 0.326 (8.28) 0.455 (11.56) s simulated roller standard ratio 0.110 (2.79) 0.197 (5.00) 0.258 (6.55) u simulated roller high ratio 0.235 (5.97) 0.322 (8.18) 0.383 (9.73) ordering information dimensions inches (mm) c l high ratio standard ratio switch mounting hole actuation length 0.191 (4.85) actuating button 0.066 (1.68) pcb footprint 0.405 (10.29) 0.238 (6.05) nc no c 0.063 ? ( 3 ) (1.60) ordering actuators separately there are three standard actuators available, plus an extra long actuator which may be used for customizing forms and lengths. to order actuators for the da3 series sub- miniature switch, use the actuator part number shown. actuators may be ordered separately and installed on switches as required. circuitry contact arrangement available in choice of single pole double throw, or single pole single throw, either normally open or normally closed. mounting recommended mounting screw size: #2 C 56 round head. recommended torque on screw: 2 inch lbs. max. (with flat washer min. 0.240 [6.10mm] outside diameter). 3.066 (77.876) c l standard lever actuator for lb and mb part no. 0014-5576 roller actuator for rb and tb part no. 0114-0737 simulated roller actuator for sb and ub part no. 0014-5594 extra long actuator for customizing part no. 0014-5519 actuators many special forms and lengths of actuators are available. external actuators can be snapped on in either of two locations (standard lever ratio or high lever ratio). actuation lengths are dimensioned from centerline of switch mounting hole (see drawing). specifications subject to change without notice. actuation lengths are dimensioned from center line of switch mounting hole. refer to dimensional drawing. actuator specifications maximum maximum operating minimum max. movement actuation operating pre-travel point over-travel differential length actuator switch force inches inches inches inches inches type type (gms.) (mm) (mm) (mm) (mm) (mm) Caa 90 0.030 0.330 0.015 0.035 0.007 (0.76) (8.38 0.38) (0.89) (0.18) Clb 27 0.144 0.348 0.060 0.054 0.028 0.271 (3.66) (8.84 1.52) (1.37) (0.71) (6.88) Cmb 9 0.416 0.350 0.173 0.078 0.081 0.396 (10.57) (8.90 4.39) (1.98) (2.06) (10.06) Crb 30 0.131 0.571 0.054 0.046 0.025 0.201 (3.33) (14.50 1.37) (1.17) (0.64) (5.11) Ctb 10 0.379 0.571 0.173 0.067 0.074 0.326 (9.63) (14.50 4.39) (1.70) (1.88) (8.28) Csb 30 0.131 0.571 0.054 0.046 0.025 0.197 (3.33) (14.50 1.37) (1.17) (0.64) (5.00) Cub 10 0.379 0.571 0.173 0.067 0.074 0.322 (9.63) (14.50 4.39) (1.70) (1.88) (8.18)
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