DLA MIL-DTL-3950 16 A-2008 SWITCHES TOGGLE THREE POLE 4 AMPERES LOW LEVEL ENVIRONMENTALLY SEALED《环保密封4安培低电平三极搬扭开关》.pdf

1、AMSC N/A FSC 5930 INCH-POUND MIL-DTL-3950/16A 22 April 2008 SUPERSEDING MIL-DTL-3950/16 w/AMENDMENT 4 19 June 2007 DETAIL SPECIFICATION SHEET SWITCHES, TOGGLE, THREE POLE, 4 AMPERES, LOW LEVEL, ENVIRONMENTALLY SEALED This specification is approved for use by all Departments and Agencies of the Depar

2、tment 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-3950/16A 2 FIGURE 2. Solder Lug

3、 Terminals. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3950/16A 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 li

4、cense from IHS-,-,-MIL-DTL-3950/16A 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-3950/16A 5 FIGURE 6. Terminal Dimensions REQUIREMENTS: Temperature charact

5、eristic: -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

6、level: 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

7、 VAC, 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

8、without license from IHS-,-,-MIL-DTL-3950/16A 6 FlatMilitary Part or Identifying Number (PIN): The PIN shall consist of the prefix M3950/16, followed in order by the appropriate numeric designator for terminal style and plunger length. M 3950/16- X X X X XX Military designation Specification sheet n

9、umber Terminals 1 Solder Lug Terminals 2 PC Terminals Electrical Function See Table I Momentary A Non-Momentary D Momentary 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: M3950/16-26A02V, PC Term

10、inals, ON - ON, No Tip, 2 Locked Position Lever. FIGURE 7. Terminal Identification Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3950/16A 7 TABLE I. Lever Positions and Connections Function I II III (Flat) 6 ON (1-3)-4 (5-7)-8 (9-11)-12 - O

11、N (1-3)-2 (5-7)-6 (9-11)-10 7 MOM OFF MOM 8 ON OFF MOM 9 ON 1-2 4-5 7-8 OFF ON 1-3 4-6 7-9 The margins of this specification 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 whats

12、oever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this 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 C

13、C (Project 5930-2008-077) 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-,-,-