Airborne & Industrial Switches
Tactile Switches
Push Button Switches — MIG Series
Push Button for 205K Assembly
Indigenised Russian-equivalent push button for MIG 21
Push Button N377-7230-194 for 205K Assembly is designed and developed as part of the indigenisation of Russian switches fitted in MIG 21 aircraft. Type approval tests under progress. Designed to meet test specification TS/IND/72/06 issued by HAL Nasik. The cover is black Delrin, body is black Bakelite, spring contact is silver-plated P-B, contact is silver with natural finish, terminal is silver-plated brass and plunger is black polycarbonate.
KEY DETAILS
• Part No. N377-7230-194 • Type approval tests under progress • Designed to TS/IND/72/06 (HAL Nasik) • Indigenisation of Russian switch for MIG 21 • Current rating 20 A @ 28 VDC • Supply voltage 28 VDC • Insulation resistance 20 MΩ @ 100 VDC (normal humidity), 2 MΩ @ 100 VDC at 95±3% humidity, +20±5°C • Insulation strength 500 VAC, 50 Hz for 1 min • Operating force 1.5 to 2.5 kg • Pre-travel 1.4 to 2.74 mm, over-travel 0.24 to 2.82 mm • Net weight 16 g max • Electrical and mechanical life 10,000 operations • Altitude up to 20,000 m • Operating temperature -40°C to +50°C ±3°C • Body Ø16.5, Ø18, height 39 mm • Materials: black Delrin cover, black Bakelite body, silver-plated P-B spring contact, silver natural-finish contact, silver-plated brass terminal, black polycarbonate plunger
