Satellites and subsystems > Mechanical systems > Deployable systems and mechanisms > ARES - non explosive pin puller release actuator
Key highlights
- Large shear load capacity for the given volume/mass
- Broad range of operational temperatures
- Redundant initiator with fast release times - suitable for mechanisms with multiple synchronized units
- User field reset encouraged by design
- Compatible with SPACERACE Initiation Control Unit
Applications
- Deployable covers
- Satellite deployer doors
- Solar array HDRMs
- Antenna/boom HDRMs
- Satellite separation mechanisms
- Small launcher stage separation
Key features
- Pin travel: 10mm
- Mass: 270 g
- Release time: <50ms under all conditions (3.5- 5.0 A, higher values recommended for use in deep cold)
- Reset: User exchange of initiator with supplied tool within minutes
- Optional shock damping cartridge
- Projected life: 50 releases according to ECSS-E-ST-33-01C
Customization
- Customizable thread in the pin
- Customizable total length of the pin
- Customizable mechanical interface holes
- Additional shear load transfer element at the mechanical interface
Testing & qualification
- TRL 5 - Contact SPACERACE for more details on the planned qualification or custom modification, interface drawings or CAD models
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Last updated: 2026-07-09
Technical specs
current
5.0 A @ -150°C -> 20 ms release time
3.5 A @RT -> 10 ms release time
3.5 A @RT -> 10 ms release time
electrical resistance
1 to 1.5 Ω
side load
1250 N @actuation (Qualificaton Load)
1000 N @actuation
1000 N @actuation
mass
270 g
operating temperature
-150 to 150 C
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