MINIATURE POSITIVE ACTION SWITCHES Series--8866-8869 FEATURES MIL-S-8834 Miniature Positive Action Switches Solder Lug Terminals SPECIFICATIONS * Sealed bushing * Current rating versatility * 1, and 2 pole circuitr y * Non-teasible mechanism for all but center "ON" circuits * Dry circuit (logic level loads) to power switching levels * Wiping action contacts * Positve make and break action * Small and large size bushings and actuators * Solder lug terminals * Also available with locking actuators, integrated wire termination and printed circuit board terminals. CURRENT RATINGS No. of Catalog Type of 28 and 50VDC 115VAC 60Hz and 400 Hz * Bushing seal or bonded seal per MIL-S-8834 Poles Number Operation (Amperes per pole) (Amperes per pole) * MS approved and QPL'd to MIL-S-8834 Resistive Inductive Resistive Inductive Load Load Load Load * Temperature range: -67F to +160F 28VDC 50VDC 28VDC 50VDC 60Hz 400Hz 60Hz 400Hz (-55C to +71C) 1 8866 Maintained and 5 1 1 - 2 3 1 2 * Life: 20,000 operations at rated load and 8868 Momentary 40,000 mechanical life 2 8867 Maintained and 5 1 1 - 2 3 1 2 * "O" ring panel seal on 1/4"-40 type and 8869 Momentary bushing size Minimum Rating: 25 A at 5 millivolts. * Solder lug terminals .050 [1,27] dia. hole SELECTION TABLE CIRCUIT WITH LEVER IN... Up Position 8866 * 8867 * Center Position ONE POLE ON OFF ON NONE ON NONE ON OFF ON OFF NONE OFF ON OFF NONE ON TWO POLE ON OFF ON NONE ON NONE ON OFF ON OFF NONE OFF ON OFF NONE ON ON ON ON ON ON ON Down Position (Keyway) Militar y Part Number Catalog Number ON OFF ON NONE ON ON ON ON MS24655-211 -221 -231 -241 MS24655-271 -281 -311 -321 8866K1 K7 K4 K5 8866K2 K6 K3 K8 ON OFF ON NONE ON ON ON ON ON ON ON MS24656-211 -221 -231 -241 MS24656-271 -281 -311 MS24656-321 -331 -351 -341 8867K1 K7 K4 K5 8867K2 K6 K3 8867K8 K9 K10 K11 * * * * * * * * * * * contact. *SeeMomentary page 77 for special circuit diagrams. Dielectric per MIL-S-8834 except limited to 1250 volts. Delayed action of the switch toggle lever may cause circuit to close or open before snap action mechanism trips. Caution should be exercised during soldering and flux removal. See page 62 for details. MINIATURE POSITIVE ACTION SWITCHES Series--8866-8869 MOUNTING DIMENSIONS--ONE POLE / 8866 Terminal Identification MIL-S-8834 Miniature Positive Action Switches Solder Lug Terminals MOUNTING DIMENSIONS--TWO POLE / 8867 Non-functional terminals not supplied. PANEL CUTOUT DIMENSIONS STANDARD 0.00 = inches [0,0] = mm Mounting dimensions for reference only. Terminal Identification MINIATURE POSITIVE ACTION SWITCHES Series--8866-8869 MIL-S-8834 Miniature Positive Action Switches Solder Lug Terminals SELECTION TABLE CIRCUIT WITH LEVER IN... Up Position 8868 * 8869 * * ON ON ON ON ON NONE ON NONE ON ON ON ON ON NONE ON NONE ON ON ON Center Position Down Position (Keyway) ONE POLE OFF NONE NONE OFF OFF OFF OFF ON TWO POLE OFF NONE NONE OFF OFF OFF OFF ON ON ON ON MS Part Number Catalog Number ON OFF ON NONE ON ON ON ON MS90310-211 -221 -231 -241 MS90310-271 -281 -311 MS21351-321 8868K1 K7 K4 K5 8868K2 K6 K3 K8 ON OFF ON NONE ON ON ON ON ON ON ON MS90311-211 -221 -231 -241 MS90311-271 -281 -311 MS21353-321 -331 -351 -341 8869K1 K7 K4 K5 8869K2 K6 K3 8869K8 K9 K10 K11 * * * * * * * * * * MS Part Number Catalog Number Feature Not Available in Single Pole Switches - - - - - - - - - - MS90311-711 -721 -731 -741 MS90311-771 -781 -811 MS21353-821 -831 -851 -841 8869K1X K7X K4X K5X 8869K2X K6X K3X 8869K8X K9X K10X K11X contact. * Momentary Dielectric per MIL-S-8834 except limited to 1250 volts. Delayed action of the switch toggle lever may cause circuit to close or open before snap action mechanism trips. Caution should be exercised during soldering and flux removal. See page 62 for details. Furnished with Bonded Seal Feature. (Meets 15' head of water sealing level.) MINIATURE POSITIVE ACTION SWITCHES Series--8866-8869 MIL-S-8834 Miniature Positive Action Switches Solder Lug Terminals MOUNTING DIMENSIONS--ONE POLE / 8868 Terminal Identification MOUNTING DIMENSIONS--TWO POLE / 8869 STANDARD 0.00 = inches [0,0] = mm Mounting dimensions for reference only. Non-functional terminals not supplied. Terminal Identification MINIATURE POSITIVE ACTION SWITCHES Series--8866-8869 OPTIONS/ACCESSORIES * Special mounting hardware * Special marking * Mounting hardware furnished assembled * Panel seal, Part Number 32-341 * Lever extensions and attachable tips * Special circuits * Special bushing and lever plating * Mounting adapter nuts * Custom wire harnesses * EMI/RFI capability on two pole (large bushing) * Gold plated contacts MIL-S-8834 Miniature Positive Action Switches Solder Lug Terminals PANEL CUTOUT DIMENSIONS STANDARD 0.00 = inches [0,0] = mm Mounting dimensions for reference only. See page 62 for soldering and cleaning recommendations