Airborne & Industrial Switches
Tactile Switches
Push Button Switches — MIG Series
Push Button for 204K Assembly
Indigenised Russian-equivalent push button for MIG 21
Push Button N377-7230-193 for 204K 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 Be-Cu, contact is silver with natural finish, terminal is silver-plated brass and plunger is nickel-plated brass.
KEY DETAILS
• Part No. N377-7230-193 • 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 0.29 to 2.88 mm • Net weight 12 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 Ø19, Ø18, Ø16.5, height 32 mm • Materials: black Delrin cover, black Bakelite body, silver-plated Be-Cu spring contact, silver natural-finish contact, silver-plated brass terminal, nickel-plated brass plunger
