Umbra SyncRelease 4
Debris-free, low-shock spacecraft separation system for small satellites, optimized for SpaceX Falcon 9 rideshare missions.
Technical specifications
- Max Dimensions
- 17.700 in x 19.680 in x 3.480 in
- Mass (Lower/Launch Vehicle Side)
- 5.48 kg
- Mass (Upper/Flyaway Vehicle Side)
- 0.92 kg
- Bus Voltage Range
- 24-32 V
- Bus Voltage Nominal
- 28 V
- Peak Power
- < 4.5 W
- Average Power
- 3 W @ 24 V
- Electrical Interface
- 9-Socket D-Sub Connector
- Intended Space Environment
- Separation occurring within 4 hours of launch
- Heritage
- Protoflight planned Q3 2026
- Design Life
- 1 launch, plus > 5 I&T actuation cycles
- Production
- Assembled and tested in the USA
- Random Vibe
- Qualified to 14.16 Grms profile enveloping GEVS, Falcon 9, SpaceX Rideshare, and Electron levels
- Shock
- Qualified to 2,000g peak profile
- Operating Temperature
- -30°C to 70°C
- Survival Temperature
- -40°C to 80°C
- Quasi-Static Load
- Qualified to 12.5g axial and 16.88g lateral sine bursts
About
The Umbra SyncRelease 4 (Synchronized Release Mechanism) is a spacecraft separation system designed for precise, controlled deployment from a launch vehicle. Engineered for small satellites to ensure low-shock, debris-free separation, it is optimized for SpaceX Falcon 9 rideshare missions. Unlike traditional pyrotechnic systems, it is easily resettable, speeding up integration testing and launch site operations, and supports customization for center-of-gravity offset to tailor deployment parameters to specific spacecraft and mission needs.
Documentation
- SYNCRELEASE-4.pdf umbra.space ↗
- Umbra-Sync-Release-4-User-Guide-5011D0001-REV-01-1-1.pdf umbra.space ↗
Need the full ICD, test reports or a specific revision? Ask the supplier directly.