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Electromechanical “REMOVE BEFORE FLIGHT” interlock combining a high-visibility pull tag with a 200 A power switch for aircraft/UAS ground use. Pulling the red streamer positively actuates the internal contactor to energize the DC bus (arm/enable); reinserting the tag returns the system to a safe, de-energized state. Optional manual reset/latch prevents vibration-induced re-arming. Includes dry NO/NC auxiliary contacts for indicators, logging, or arming logic independent of the main path. Rugged, sealed housing with top eyelet and panel/chassis mounting. Ideal for UAV main battery isolation, propulsion/payload arming, GSE, and test benches where a clear, auditable step is required. Verify system voltage and breaking capacity; use appropriate fusing/contactor protection.
Overview
Ground-safety interlock for aircraft/UAS and test benches. Pulling the REMOVE BEFORE FLIGHT streamer actuates an integrated 200 A electromechanical switch, delivering a clear, physical transition from safe to powered/armed. Reinserting the tag returns the system to a safe, de-energized state (with manual reset option available).
Key features
Mechanical RBF tag as the key: unmistakable, high-visibility status for crews.
200 A main switch (electromechanical): robust power handling for DC buses and high-draw subsystems.
Positive action & optional latch/reset: prevents accidental re-arming from vibration.
Dry auxiliary contacts (NO/NC): feed indicators, logs, or arming logic independently of the power path.
Rugged, sealed housing: built for hangar and ramp conditions; panel or chassis mounting.
Typical applications
UAV/UAS: main battery isolation, arming of propulsion or payload buses.
Maintenance & GSE: lockout for prop/hydraulics tests, bench power enable, E-stop style inhibit.
Test stands: clear, auditable arming step for procedures and checklists.
Specs (quick view)
Action: Pull-to-arm via RBF streamer; insert-to-safe; manual reset option.
Power path: 200 A continuous electromechanical switch (DC).
Aux I/O: 1× NO + 1× NC (logic/indicator).
Mounting: panel/chassis; top eyelet for RBF tag.
Included: unit with red REMOVE BEFORE FLIGHT streamer.
Safety note: Verify system voltage and breaking capacity versus fault current; pair with appropriate fuses/contactor protection and follow applicable aviation/MOC procedures.