DLA MIL-DTL-3950 17 A-2008 SWITCHES TOGGLE FOUR POLE 4 AMPERES LOW LEVEL ENVIRONMENTALLY SEALED《环保密封4安培低电平四极搬扭开关》.pdf

1、AMSC N/A FSC 5930 INCH-POUND MIL-DTL-3950/17A 22 April 2008 SUPERSEDING MIL-DTL-3950/17 w/AMENDMENT 3 29 May 2007 DETAIL SPECIFICATION SHEET SWITCHES, TOGGLE, FOUR POLE, 4 AMPERES, LOW LEVEL, ENVIRONMENTALLY SEALED This specification is approved for use by all Departments and Agencies of the Departm

2、ent of Defense. The requirements for acquiring the switches described herein shall consist of this specification sheet and MIL-DTL-3950. FIGURE 1. PC Terminals. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3950/17A 2 FIGURE 2. Solder Lug T

3、erminals. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3950/17A 3 FIGURE 3. Standard Hardware and Panel Cut-out. FIGURE 4. Standard and Short Levers Lengths. Provided by IHSNot for ResaleNo reproduction or networking permitted without lice

4、nse from IHS-,-,-MIL-DTL-3950/17A 4 1 Locked Position 2 Locked Positions 3 Locked Positions FIGURE 5. Locking Levers. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3950/17A 5 FIGURE 6. Terminal Dimensions REQUIREMENTS: Temperature character

5、istic: -40C to +85C. Shock type: (50 gs sine wave) method 213, test condition A, MIL-STD-202. Sinusoidal vibration grade: 1 (10 to 500 Hz). Operating characteristics: Enclosure Design: 3 (watertight). Finish: Shall be corrosion resistant, black and lusterless. Dielectric withstanding voltage: Sea le

6、vel: 1,000 V rms between terminals 2,000 V rms between poles 2,000 V rms between terminals and frame Electrical endurance: At 2A, 250VAC or 4A, 28VDC: 10,000 cycles. At low level (50mV, 10mA): 20,000 cycles Electrical ratings: (Maximum current/voltage rating with resistive load) 2A/250 VAC, 4A/125 V

7、AC, or 4A/28 VDC Contact bounce: 2ms max. Sand and dust: Applicable. Low level circuit: Applicable. Qualification: Inspection table of MIL-DTL-3950 Inductive Load: Not Applicable. Lamp Load: Not Applicable. Seal: Sea level only. Provided by IHSNot for ResaleNo reproduction or networking permitted wi

8、thout license from IHS-,-,-MIL-DTL-3950/17A 6 Military Part or Identifying Number (PIN): The PIN shall consist of the prefix M3950/17, followed in order by the appropriate numeric designator for terminal style and plunger length. M 3950/17- X X X X XX Military designation Specification sheet number

9、Terminals 1 Solder Lug Terminals 2 PC Terminals Electrical Functions See Table I Momentary (See Table II) Fluorescent Tip 0 None 1 White tip to lever Levers 10 Standard 12 Short Lever 1V 1 Locked Position 2V 2 Locked Positions 3V 3 Locked Positions Example: M3950/17-24B02V, PC Terminals, Momentary (

10、ON-ON-MOM), No Tip, 2 Locked Position Lever. TABLE I. Electrical Functions 9 ON OFF ON 8 ON OFF MOM 7 MOM Off MOM 6 ON - ON 4 ON ON ON TABLE II. Momentary A Non-Momentary B 1/ ON ON MOMC 1/ MOM ON MOMD Momentary 1/ Function 4 Only. Provided by IHSNot for ResaleNo reproduction or networking permitted

11、 without license from IHS-,-,-MIL-DTL-3950/17A 7 FIGURE 8. Wiring for 3-Way Switches (Function 4). FIGURE 7. Terminal Identification FlatProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3950/17A 8 TABLE III. Lever Positions and Connections Fun

12、ction I II III (Flat) 6 ON 1A-3A 1C-3C 1E-3E 1G-3G - ON 1A-2A 1C-2C 1E-2E 1G-2G 7 MOM OFF MOM 8 ON OFF MOM 9 ON 1A-2A 1C-2C 1E-2E 1G-2G OFF ON 1A-3A 1C-3C 1E-3E 1G-3G 4 ON ON MOM 1A-2A 1C-2C 1E-2E 1G-2G ON ON ON 1A-2A 1C-3C 1E-2E 1G-3G ON MOM/ MOM/ 1A-3A 1C-3C 1E-3E 1G-3G The margins of this specifi

13、cation are marked with vertical lines to indicate where modifications from this amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of t

14、his document based on the entire content irrespective of the marginal notations. Referenced Documents: MIL-DTL-3950 MIL-STD-202 Custodians: Preparing activity: Navy EC DLA - CC DLA CC (Project 5930-2008-080) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-