DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES FEATURES Lower cost miniature pushwheel switches with large visible readout characters Bi-directional snap action detent pushbutton mechanism Black housing and drum with white printing Gangable rear mounting models with spacers and side covers Gold wiping action contacts PC board options include solderable lands DPS8 SPECIFICATIONS MATERIALS Body: PPO Panel mounting hole: Height .709 (18mm) PC board: FR 4 DIN 40802 Width .315 (8mm) IEC 249-2, Contact Installed depth with pc board: surface gold over Short 1.260 (32mm) nickel on copper Long 1.614 (41mm) Insertion from front no Sliding contact: Gold over nickel Insertion from rear yes on copper alloy CODES STANDARD COLORS Code positions marking Housing,Drum,Printing 111 Decimal 10 0-9 see truth tables 2 = black 3 = white 2,2,3 131 BCD 10 0-9 see truth tables 137 BCD comp 10 0-9 see truth tables 141 BCD + comp 10 0-9 see truth tables 301 Hexadecimal 16 0-9, A-F(0-15) see truth tables 400 change-over 10 +,-,+,-,etc.. see truth tables ELECTRICAL DATA Operating voltage: 40 V max. Contact load, static: 1 A max. Contact load, dynamic: 100 mA max. Other special features are available upon Contact resistance (type AK): less than 100 mOhm request including: TECHNICAL DATA Factory or customer set stops (10 digit models) Operating temperature range: -20C to 80C LED illumination (transparent drum) Electric life, min. switching cycles 1,000,000 Actuation force, approx (oz.): 14 Red digits Weight, approx. (grams): 4 Decimal point Character height: 10 digit .193 (4.9mm) Special codes or printing 16 digit .134 (3.4mm) Gray housing Audible click yes Vibration DIN EN 60068-2-6 yes See sockets at end of Pushwheel section. Shock DIN EN 60068-2-27 yes www.apem.com SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICEDPS8 SERIES MINIATURE PUSHWHEEL SWITCHES TRUTH TABLES CODE 131 CODE 137 CODE 400 CODE 301 BCD BCD COMP. HEXADECIMAL CHANGE-OVER C1 2 4 8 C1 2 4 8 12 48 C CA+ A- 0 0 0 + 1 1 1 - 2 2 2 + 3 3 - 3 4 4 4 + 5 5 5 - 6 6 6 + 7 7 7 - 8 8 + 8 9 9 9 - A B CODE 111 CODE 141 C DECIMAL BCD + COMP. D C 01 2345 6789 C 1248 1248 E 0 0 F 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 n = number of switches MECHANICAL OUTLINE WITH PANEL CUT-OUT & MOUNTING PIN CONNECTIONS The switching mode is shorting - i.e. - even during actuation, at least one output is connected 131 + C 12 48 - to input C. b is used 137 + C 12 48 - for models AK 141 11 22 44 88 C 131 C1 2 4 8 ordered 301 + 1 2C 84 - with LED 137 C1 2 4 8 illumination 400 + C A+ A- - 301 C1 2 4 8 only. 131 C1 2 4 8 400C+- Pitch .079 (2mm) 111 0 1234 C 567 89 Pitch .067 (1.7mm) 301 C1 2 4 8 131bl + C 12 48 - 111bl + 01234C 5 6 7 8 9 - www.apem.com SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE