Deployment Sequencer BU-24
KOSMOLAB Launch Services
The Deployment Sequencer BU-24 is a device that initiates satellite deployment sequences upon receiving an activation signal from a launch vehicle. It also provides telemetry feedback to the launch vehicle confirming mechanism actuation and satellite deployment.
Typed specifications24 values · 23 confirmed by the manufacturer
Discloses 9 of 10 fields engineers filter by in this category (category median 1). ✓ Manufacturer-confirmed data · 2026-09
- Mass
- 5 kg ✓ manufacturer datasheet p.1
- Envelope (L×W×H)
- 300 x 235 x 145 mm ✓ manufacturer datasheet p.1
- Supply voltage
- 28 V ✓ manufacturer nom. · datasheet p.1
- Power consumption
- 140 W ✓ manufacturer manufacturer
- Operating temperature
- -35–60 °C ✓ manufacturer datasheet p.1
- TRL
- 9 ✓ manufacturer manufacturer
- Lead time
- 6 months ✓ manufacturer typ. · indicative · manufacturer
- Export status
- ITAR-free ✓ manufacturer manufacturer
- Release command type
- dry contact (relay closure) ✓ manufacturer manufacturer
- Release actuator voltage
- 28 V ✓ manufacturer manufacturer
- Command pulse duration
- 500 ms ✓ manufacturer manufacturer
- Release channels
- 24 ✓ manufacturer manufacturer
- Cycles / reuses
- 1 ✓ manufacturer manufacturer
- Flight heritage
- flight-qualified as part of the Angara-A5 launch vehicle (2024 launch) ✓ manufacturer datasheet p.2
- Missions flown
- 1 ✓ manufacturer manufacturer
- Release current
- 5 A ✓ manufacturer manufacturer
- Output type
- relay (dry contact) ✓ manufacturer manufacturer
- Energy per output channel
- 5 J ✓ manufacturer manufacturer
- Launch vehicles
- Angara ✓ manufacturer manufacturer PSLV PSLV✓ manufacturer | Soyuz-2 Soyuz-2✓ manufacturer | Soyuz-2.1v Soyuz-2.1v✓ manufacturer | Start-1M Start-1M✓ manufacturer
- Indicative price
- 1 750 000 EUR min · from 1750000 RUB · datasheet p.1
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier8 lines, in the manufacturer's own wording
- Dimensions (L×W×H)
- 300 × 235 × 145 mm
- Mass
- 5.0 kg
- Payload supply voltage
- 28 V
- Current per channel
- 2 A
- Max total current
- 4 A
- Battery capacity
- 4 Ah
- Control channels
- 24
- Operating temperature
- −35°C to +60°C
About
The Deployment Sequencer BU-24 is designed to manage the deployment of satellites from a launch vehicle. Upon receiving an activating signal from the launch vehicle, it initiates a pre-programmed mission cyclogram. This cyclogram generates output signals to individual satellite deployment mechanisms, ensuring each satellite is released at the appropriate time and orbital position. Beyond just initiating deployment, the BU-24 also provides critical telemetry information back to the launch vehicle. This feedback confirms the successful actuation of the deployment mechanisms and the subsequent deployment of the satellites, offering crucial operational awareness during the mission. The unit is designed to operate within a wide temperature range, making it suitable for the harsh space environment.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.