Pegasus Astro Ultimate Powerbox v3

Product code: PEG-UPBv3
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£540.00 UK Price
£450.00 (ex. VAT) International Price
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Product information

Pegasus Astro Ultimate Powerbox V3 

UPBv3 is a Wi-Fi and USB-controlled power hub.

A USB 3.1 Hub lets you switch on/off eight USB ports, eight 12V power outlets, two Adjustable outputs (3-12V and 12-24V), and three dew heaters. Also, a new silent low-vibration stepper controller that can drive any stepper motor in the astronomy market, a power relay, and an expansion port for devices that communicate with the UPBv3 Controller!

If you want to avoid having multiple power packs and dealing with a mess of power and data cables, the Ultimate Powerbox v3 offers a solution. It is a sophisticated power control unit in an enclosure that makes a sufficient number of amperes available.

No cables disturb the movements of the mount and the instrument. Only the main power cord and one USB data cord are attached to the Ultimate Powerbox, which branches off the other cables powering all devices.


  • Up to 12V / 20Amps of provided electric current (240W).
  • 6 x 12V smart and individual switchable outputs. Each output can be configured as constant 12V or pulse width modulated driven).
  • Wi-Fi or USB Controllable Operation.
  • 2 x 12V / Always ON Outputs.
  • 3 x Dew Heaters Outputs.
  • (Automatic Adjustable with AutoDew feature)
  • 1 x Adjustable Power Output 3-12V -Regulated Output of 3Amps
  • 1 x Adjustable Power Output 12-24V – Regulated Output of 4 Amps
  • 1 x Power Relay switch 250V/10A
  • 6 x USB3.1 (backwards compatible with USB2) and 2 x USB2 available ports (8 USB ports in total). Individual switchable via software.
  • Stepper Motor Controller (Silent and low vibrating stepper controller. Can drive nearly any stepper motor in the astro -market up to 2Amps per coil).
  • Physical push-button to control one function (e.g. turn ON / OFF outputs). Functionality is configurable in software.
  • Built-in ambient temperature and humidity sensor.
  • Power readings (Input Voltage, Current, Current per port).
  • Vesa-compatible size enclosure.

In total, eight USB ports powered – USB 3.1 SuperSpeed Hub
A USB 3.1 Hub controller ensures that this USB hub will work flawlessly from temperatures of -40°C to +80°C.

A neat feature is that the software can switch each USB port ON/OFF individually. If a device is stuck and you need to replug the socket in the middle of a cold night? No problem! Just locate the port, click our software's ON /OFF switch, and recycle the USB port. Simple as that!

The UPBv3 has the following:

  • 6x USB 3.1 Super-Speed ports
  • 2x USB 2 High-Speed ports

Each USB port provides up to 2.5 Amps. All USB ports include an electronic short circuit, additional Electrostatic Discharge (ESD), and overload electronic protections.

6 x 12V DC Power outlets for your equipment

Six powerful Smart Mosfet transistors provide “electric juice” to your precious equipment. Sophisticated short circuit and overload per port protections cut the power and report the incident into our software. Every Mosfet is capable of providing up to 6 Amps of current.

Metal premium quality output sockets ensure that they will provide all the juice you need and can secure your extension power cables in place.

Built-in Power Sensors

A precise voltmeter and an amp meter (which can measure up to 20A) measure and display in real-time your power input. If the input is more than 14.5V, the power is instantly cut off to protect your equipment.

Individual Current Meter per 12V smart outputs.

Each smart 12V output has an internal and independent digital current meter. You can view each port’s power consumption in the software.

Additional Power Outputs and Sensors

2 x Always ON 12V outputs increase the total 12V outputs to 10. In combination with the 2 x adjustable outputs (if configured to 12V), the total 12V outputs can be summed to 10 Outlets.

1 x Adjustable Voltage Step Down output can be regulated from 3V to 12V and provide up to 3 Amps.

1 x Adjustable Voltage Step Up output can be regulated from 12V to 24V and provide up to 4 Amps.

1 x Switch Relay can pass 250V / 10A and used to switch ON/OFF any 3rd party equipment.

A built-in ambient temperature and relative humidity sensor provides frequent readouts of the environmental conditions and automatically adjusts the heat intensity of your Dew strips.

Embedded Stepper Motor Controller

A silent and low vibrating stepper motor controller will precisely move the drawtube of your focuser. The controller drives a Pegasus Motor Focus Kit or any other stepper motor in the market (Unipolar or Bipolar), e.g. Rigel, Robofocus, Moonlight, and Starlight motors.

Backlash compensation is already implemented in the firmware and can be enabled, tuned and disabled from the software. A fully ASCOM6 focuser driver is already available.

Supported Stepper Motors

You must use the correct cable for your motor. Every manufacturer uses its own pinout. Please feel free to contact us if you have any questions about your motor type.

Pegasus Motor Focus Kit (v1/v2) Requires RJ45 to RJ45 common straight network cable
Robofocus Ask for cable: PEG-CMOT-RJ45DB9
Moonlite Ask for cable: PEG-CMOT-RJ45DB9
Lakeside Ask for cable: PEG-CMOT-RJ45DB9
Starlight HSM 20,30,35 Ask for cable: PEG-CMOT-HSM
Starlight MSM 20,30,35 Ask for cable: PEG-CMOT-MSM
Starlight  DirectSync motors Ask for cable: PEG-CMOT-HSM
Starizona Microtouch Ask for cable: PEG-CMOT-MSM
Optec DirectSync or Quicksync motors Ask for cable: PEG-CMOT-HSM
Rigel nStep motor Ask for cable: PEG-CMOT-MSM
Starlight POSI Drive Motor Ask for cable: PEG-CMOT-HSM
Lacerta Motor Ask for cable: PEG-CMOT-LCRT

Vesa compatible enclosure

The UPBv3 enclosure is compatible with VESA mounts. Available screw holes allow an, e.g. Intel NUC to be stacked up with the Ultimate Powerbox v3.

Supported By


Ultimate powerbox fully supports ASCOM6. In combination with our Unity Software which acts as a server, you can use our latest ASCOM 6 supplied drivers to:

  • Control Stepper Motor (ASCOM Focuser)
  • Pass environmental settings to supported software (e.g. Sequence Generator Pro / MaximDL /NINA ) (ASCOM ObservingConditions)
  • Switch ON or OFF all 12V outputs or USB Ports (ASCOM Switches – NINA/ MaximDL)


INDI and INDIGO fully support Ultimate Powerbox v2.



TheSkyX native plugin support

A multi-platform plugin is available for OSX (macOS), Windows, Linux (Ubuntu) and Raspberry PI.

For more information, visit the RTI-ZONE website (3rd party plugin).

Native Support at N.I.N.A.

Thanks to NINA developers, the Ultimate Powerbox v2 is fully supported via native drivers.

Other Key Features

Zoomable and Exportable Graphs

The software logs all voltage, current, temperature and relative humidity readings. All these plots are zoomable and easily exportable in PNG image & CSV text format. This enables you to keep a complete record of your night conditions.

Scheduler to control outputs

Enable or disable each Power or USB port by setting a timer and creating groups of ports.

Memory persistence outputs at startups

You can easily define which output (power or USB) should turn ON or remain OFF during startup. The settings are stored in the system’s EEPROM memory.

Auto Adjustment of PWM (Dew Outputs)

The device can auto-adjust the Heater Outputs by consulting the environmental sensor and calculating the Dew Point. Just click “Auto” and leave to Ultimate Powerbox v2 to decide whether to switch on your dew heaters.

* You can easily select which Dew Heater output is controlled by the “Auto Dew” function.

Reverse Polarity Protection

Ultimate Powerbox has been designed with reverse voltage polarity protection. If you accidentally connect the main power supply in reverse polarity, it will save your night!

A hardware watchdog

A hardware watchdog resets the device if, for any reason, there is no response from the controller for two seconds. A neat feature in the unlikely event of a controller freeze - useful when you own a remote observatory and need to be sure everything can be quickly recovered.

Upgradable Firmware

The firmware supports re-programming via the USB or WI-Fi connection using upgrade software ((only available for Windows) for future upgrades which may become available. We constantly receive customer feedback and update the firmware and software with new features.

Unity Platform Support

Pegasus Astro Unity Platform is our new all-around application.

We aim to provide a robust and modern application that supports current and future products under one roof.

A modern front end allows full control of all Pegasus Astro devices.

Moreover, a REST JSON API helps developers from 3rd party software to interact with our products.

As we continuously develop our applications based on customer feedback, many innovative features will be added in upcoming releases.

What's in the box

  • 1 x Ultimate Powerbox v3 enclosure
  • 4 x Power DC 2.1 to 2.1 male cable (1m)
  • 1 x USB3 Cable Type B (1.8m)


Supply Voltage: 12V-14V DC (Reverse Polarity Protected)
Power Input Connector XT60 Female
Connectivity USB3 – Type B USB Connector
6 x 12V Outputs Maximum Current 6.0A each.
2.1mm Center Positive
Sense/ Ampmeter in each port
Software: ON/OFF
3 Channel x 12V PWM Outputs Maximum Current 6.5A each,
RCA Connector,
Pulse Width Modulated (Suitable for Dew Heaters / Fans / Flatpanel)
Software: Duty Cycle % / OFF
2 x Variable Outputs Adjustable via software. 3-12V / 3Amps
Adjustable via software. 12-24V / 4Amps
1 x Always ON 12V Output 12V passthrough / Always ON / 8 Amps
Stock Sensor Input / EXT 0-100% humidity readings with 2-5% accuracy
-40 to 80°C temperature readings ±0.5°C accuracy
Ampmeter Measures 0 – 20A
Voltmeter Measures 5 – 15V
Superspeed (USB3.1) 8 port powered Hub Industrial Grade: Temperature range -40°C to +80°C
6 x SuperSpeed (USB3.1) ports (backwards compatible with USB2)
2 x High Speed (USB2)  ports
USB Ports can be switched ON/OFF on demand via software (data + power)
Each USB port can deliver up to 2.2Amps
Stepper Motor Controller Unipolar and Bipolar Stepper motors (2.0 Amps per phase) – RJ45 socket
Dimensions 127mm x 116mm x 29mm
Weight 400 grams (14.1 ounces)

*Pre Order Available* - 30 Day Wait Time Before Release

Product Info

Brand Pegasus
Product Code PEG-UPBv3
Delivery Weight Package