PegasusAstro Ultimate Powerbox v3 Ultimate Powerbox v3 centralises power, USB data, dew heating and focuser control for an imaging rig. The device accepts 12–14 V DC through XT60 and supports a total distributed current of up to 20 A. Its six switched 12 V outlets have individual current monitoring and 6 A per-port ratings.
Manufacturer model: PegasusAstro Ultimate Powerbox v3 · Specifications checked against manufacturer data on 2026-11-03
Ultimate Powerbox v3 centralises power, USB data, dew heating and focuser control for an imaging rig. The device accepts 12–14 V DC through XT60 and supports a total distributed current of up to 20 A. Its six switched 12 V outlets have individual current monitoring and 6 A per-port ratings.
Dew and variable-voltage outputs
Three RCA PWM outputs drive dew heaters or compatible accessories at up to 3 A each. Regulated outputs provide 3–12 V at up to 3 A and 12–24 V, with the manual specifying up to 4 A at 19 V for the boost output. Two additional 12 V pass-through outputs remain powered.
USB and motor control
The eight-port powered hub has six USB3 and two USB2 ports with individual software power/data switching. An integrated RJ45 motor controller supports unipolar and bipolar stepper motors at up to 2 A per phase. The unit also includes a separately rated switch relay.
Remote control and environment
USB, 2.4 GHz Wi-Fi, a browser dashboard and native ASCOM Alpaca support remote use. Unity records power and environmental measurements. The current product-page dimensions are 127.3 × 116 × 30 mm; published mass is 400 g.
Exact v3 manual and current product page used. Boost rating is 4 A at 19 V, not a guarantee at every output voltage. Manual USB limit is 2.5 A while webpage table says 2.2 A; both are qualified in the technical row. Dimensions follow current webpage; older manual gives 127 × 116 × 29 mm. All loads share the 20 A device budget.
Additional specifications
Maximum device current (A)
20
Switchable 12v outputs
Six individual 2.1 mm centre-positive outlets; 6 A each; individual current metering
Always on outputs
Two 12 V pass-through outputs; manufacturer 8 A rating
Dew outputs
Three RCA PWM channels, up to 3 A each
Step down output
Adjustable 3–12 V, up to 3 A
Step up output
Adjustable 12–24 V; up to 4 A at 19 V per manual
USB port current
Up to 2.5 A per manual; webpage technical table gives 2.2 A
PegasusAstro Ultimate Powerbox v3 Ultimate Powerbox v3 centralises power, USB data, dew heating and focuser control for an imaging rig. The device accepts 12–14 V DC through XT60 and supports a total distributed current of up to 20 A. Its six switched 12 V outlets have individual current monitoring and 6 A per-port ratings.
Manufacturer model: PegasusAstro Ultimate Powerbox v3 · Specifications checked against manufacturer data on 2026-11-03
