HARDWARE / PRODUCT

Umbra SyncRelease 4

Umbra Lab Inc.
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

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: umbra.space ↗