Voltage Converter PN28/120
Glavkosmos
The Voltage Converter PN28/120 is a flight-qualified power converter designed for spacecraft, converting 28.5 V DC to 120 V DC with 2 kW power output.
Key figurescomparable across the catalogue
- Mass
- 25 kg
- Power
- 2,000 W
- Largest dimension
- 340 mm
- Design life
- 15 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
- Designed for manned and cargo spacecraft, satellites.
- Year of release
- 2000
- Design life
- 15 years
- Lead time
- 12 months
- Flight qualification of the product
- Yes
- Brief history of flight qualification
- Is operated as part of the electric power supply system of the Russian segment of ISS.
- Possibility to adapt the product to customer requirements
- Yes
- Resistance to ionizing radiation of outer space
- 4.5 krad
- Supply voltage (DC)
- 28.5 V
- Output voltage (DC)
- 120 V
- Power
- 2 kW
- Efficiency
- 92%
- Setup
- Pressurized
- Mass
- 25 kg
- Dimensions
- 340×252×310 mm
About
The Voltage Converter PN28/120 is a current and voltage regulator specifically designed for spacecraft onboard equipment. Its primary purpose is to provide spacecraft with electricity by converting a 28.5 V DC input voltage to a 120 V DC output voltage. This converter boasts a power output of 2 kW and an efficiency of 92%. It is designed for pressurized setup and has a guaranteed service life of 15 years. The product is flight-qualified and has a significant flight heritage, being operated as part of the electric power supply system of the Russian segment of the International Space Station (ISS). It offers resistance to ionizing radiation of outer space up to 4.5 krad. The manufacturer also notes the possibility to adapt the product to customer requirements, including building converters with other input/output voltage values based on this design. The estimated production/delivery time is 12 months.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.