Hold Down & Release Mechanisms (HDRM)
The REACT devices are low-shock Hold-Down & Release Actuators whose function is to firmly fix a payload during transportation or launch and later release it by electrical activation.
REACT implements a redundant trigger with two different motorization options based on Shape Memory Alloys (TiNi and SMARQ®) covering wide actuation temperature ranges and providing manual reset capability to the end user.
Typical applications of REACT include solar arrays, antennas, booms and masts, reflectors, cover doors, scientific instruments, shutter mechanisms, large structures, launch locks for gimbals, thrusters, stage separation, caging mechanisms, etc.
Features of our Hold Down and Release Mechanisms
Manually field resettable by the end user. No refurbishment required
Operation temperature from -90 up to +125ºC
Redundant SMA trigger (two independent initiators)
Compatible with standard electrical interfaces
Near simultaneous release of multiple hold-down points
Three standard mechanical interfaces available
Space-qualified parts and materials
Custom configurations available under request
Full solar array deployment system available: HDRM + cup-cone + hinge
Fully European technology
For more information do not hesitate to contact us
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