3TU Thruster Unit
Glavkosmos
The 3TU Thruster Unit is a hydrazine-fueled propulsion system designed for spacecraft orientation and attitude control, featuring eight thermocatalytic low thrusters.
Key figurescomparable across the catalogue
- Mass
- 5.7 kg
- Power
- 14.6 W
- Largest dimension
- 344 mm
- Design life
- 10.5 years
- Lead time
- 12 months
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Purpose
- Spacecraft orientation and attitude control.
- Year of release
- 1999
- Design life
- 10.5 years
- Lead time
- 12 months
- Flight qualification of the product
- Yes
- Possibility to adapt the product to customer requirements
- Yes
- Heater unit power consumption
- 14.6 W
- Overall dimensions
- 344 × 344 × 185 mm
- Mass
- 5.7 kg
About
The 3TU Thruster Unit is a propulsion system specifically designed for spacecraft orientation and attitude control. Released in 1999, it boasts a guaranteed service life of 10.5 years. The unit operates using hydrazine propellant and is comprised of eight thermocatalytic low thrusters: four main thrusters and four redundant ones, ensuring reliability. Its thermal management system includes four heaters (two main and two redundant), a radiator, and a set of Multi-Layer Insulation (MLI). Unit temperature is continuously monitored by four integrated temperature sensors. The product is flight qualified and can be adapted to meet specific customer requirements. The estimated production and delivery time is 12 months, not including the time required for material procurement (4 months) and procured parts and components (6 months).
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.