MD SERIES - PUSHBUTTON SWITCHES SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE FEATURES Momentary or maintained actions. 1, 2 & 4 pole 2 throw models. Printed circuit & panel mounting models. Self-cleaning bifurcated contacts. C SPECIFICATIONS Contact ratings (resistive loads): Initial contact resistance: Insulation resistance: Dielectric strength: Electrical life: Operating temperature range: Operating force: 200 mA at 30 VDC 20 milliohms maximum 100 megohms minimum at 500 VDC Type 5: 500 VAC for 1 minute. Type 8: 250 VAC for 1 minute. 10,000 cycles minimum -20C to +85C Type 5: 300g 150g Type 8: 330g 150g MATERIALS Terminals: Actuator: Frame: Base: Sliding contact: Silver plated brass Polyacetal Steel with tin plating Phenolic laminated sheet Silver plated phosphor bronze MDPS522PN (MOMENTARY) MDPA522PN (MAINTAINED) 2P2T P.C. MOUNTING SCHEMATIC MECHANICAL OUTLINE P.C. BOARD LAYOUT APEM, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com C89-C91 89 10/3/00, 1:33 PM C89 MD SERIES - PUSHBUTTON SWITCHES 2P2T PANEL MOUNTING SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE MDPS522WN (MOMENTARY) MDPA522WN (MAINTAINED) C SCHEMATIC MDPS542PN (MOMENTARY) MDPA542PN (MAINTAINED) 4P2T P.C. MOUNTING SCHEMATIC MDPS542WN (MOMENTARY) MDPA542WN (MAINTAINED) 4P2T 2P2T C89-C91 P.C. BOARD LAYOUT MECHANICAL OUTLINE P.C. MOUNTING SCHEMATIC C90 MECHANICAL OUTLINE PANEL MOUNTING SCHEMATIC MDPS822PN (MOMENTARY) MDPA822PN (MAINTAINED) MECHANICAL OUTLINE MECHANICAL OUTLINE P.C. BOARD LAYOUT APEM, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com 90 10/3/00, 1:33 PM MD SERIES - PUSHBUTTON SWITCHES Additional ordering information: Commonly ordered models are shown above with complete model numbers and specifications. Below is an order format that enables you to 'build your own switch' and specify the correct switch model number by simply selecting from all available options shown and filling in the boxes. SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 'BUILD YOUR OWN SWITCH' ORDER FORMAT Fill in boxes with selections shown for complete model number. (Allowable options are shown under each respective box). C TYPE 5: Series Action Type No. of Poles 5 M D Throws Terminals P S Momentary P A Maintained 2 2 pole 4 4 pole Contacts N 2 P p.c. W solder lug Non-shorting * *Shorting availableconsult factory. TYPE 8: Series Action Type No. of Poles 8 M D P S Momentary P A Maintained Throws Terminals Contacts 2 P N 1 1 pole 2 2 pole Printed circuit Non-shorting * Example of completely specified model number: MDPS542WN TERMINAL CONFIGURATIONS COLOR KNOBS FOR TYPE 8 MODELS MODEL NO. C152 C154 C156 PRINTED CIRCUIT COLOR Black Gray Red SOLDER LUG New! SNAP FIT CAPS FOR TYPE 5 MODELS (order separately) Color 1 2 3 5 6 8 C7 C7A Natural aluminum Black aluminum Code Blue Black Green Yellow Red White C80 Thermoplastic C90 Thermoplastic Replace 0 in above model numbers with color code from chart APEM, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com C89-C91 91 10/3/00, 1:33 PM C91