# Power Distribution Hub Specifications The following tables provide the operating and mechanical specifications for the Power Distribution Hub (PDH). {% hint style="danger" %} DO NOT exceed the maximum electrical specifications. Doing so will cause permanent damage to the Power Distribution Hub and will void the warranty. {% endhint %} {% hint style="danger" %} The Power Distribution Hub's reverse polarity protection DOES NOT protect downstream devices. Verify the correct polarity on all power wires before operation. {% endhint %} ## Main Electrical Specifications
ParameterMinTypMaxUnits
Operating Voltage Range4.71218V
Power Input Wire Gauge (Bare Solid)18-6AWG
Power Input Wire Gauge (Bare Stranded)18-4AWG
Power Input Bare Wire Strip Length0.720.750.79in
Power Input Wire Gauge (Stranded, with ferrule) †18-6AWG
Input Voltage Measurement Resolution-7.81-mV
| † | If using a ferrule, we recommend using square or hex shaped crimps. | | :-: | ------------------------------------------------------------------- | {% hint style="warning" %} Make sure to consider the current and safety requirements when choosing a wire gauge for any given application. {% endhint %} ### CAN Specifications
ParameterMinTypMaxUnits
CAN Termination-120-Ω
Latching WAGO Connectors †
CAN Terminal Wire Gauge (Bare Solid/Stranded)26-14AWG
CAN Terminal Bare Wire Strip Length0.310.330.35in
CAN Terminal Wire Gauge (Stranded, with ferrule) ††22-18AWG
Push Button WAGO Connectors †
CAN Terminal Wire Gauge (Bare Solid/Stranded)24-18AWG
CAN Terminal Bare Wire Strip Length0.330.350.37in
CAN Terminal Wire Gauge (Stranded, with ferrule) ††28-20AWG
| † | As of 01/04/2024, orders made from REV Robotics will ship with the version of the Power Distribution Hub that features Latching WAGO Connectors on the CAN terminal blocks. | | :-: | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | †† | If using a ferrule, we recommend using square or hex shaped crimps. | ### High Current Channel Specifications
ParameterMinTypMaxUnits
Fuse/Circuit Breaker Size-ATO/ATC--
Supported Fuse/Circuit Breaker Current Rating--40A
Channel Current Measurement Range0-127.9A
Channel Current Measurement Resolution-125-mA
Supported Wire Gauge (Bare Solid/Stranded)24-8AWG
Bare Wire Strip Length0.430.50.51in
Supported Wire Gauge (Stranded, with ferrule) †24-10AWG
| † | If using a ferrule, we recommend using square or hex shaped crimps. | | :-: | ------------------------------------------------------------------- | ### Low Current Channel Specifications
ParameterMinTypMaxUnit
Fuse/Circuit Breaker Size-ATM/APM--
Continuous Output Current--15A
Single Channel Peak Output Current †--20A
Supported Fuse/Circuit Breaker Current Rating--15A
Supported Fuse/Circuit Breaker Current Rating for PH and PCM (See note below)--20A
Channel Current Measurement Range 0-31.94A
Channel Current Measurement Resolution-62.5-mA
Latching WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)26-14AWG
Bare Wire Strip Length0.310.330.35in
Supported Wire Gauge (Stranded, with ferrule) ‡22-18AWG
Push Button WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)24-18AWG
Bare Wire Strip Length0.330.350.37in
Supported Wire Gauge (Stranded, with ferrule) ‡28-20AWG
{% hint style="info" %} It is recommended to use a 20A fuse for a single Pneumatic Hub or Pneumatic Control Module connected to any of the three Low-current Channels if using a compressor with a higher peak current draw, such as the CP26 or the Thomas 405ADC38. {% endhint %} | † | Peak current can be sustained for 5 min. | | :-: | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | †† | As of 01/04/2024, orders made from REV Robotics will ship with the version of the Power Distribution Hub that features Latching WAGO Connectors on the Low Current Channel's WAGO blocks. | | ‡ | If using a ferrule, we recommend using square or hex shaped crimps. | ### Switched Channel Specifications
ParameterMinTypMaxUnit
Continuous Output Current †--15A
Fuse/Circuit Breaker Size-ATM/APM--
Supported Fuse/Circuit Breaker Current Rating †--15A
Low Current Channels 0-31.94A
Low Current Channel Resolution -62.5-mA
Switching Frequency --10Hz
Latching WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)26-14AWG
Bare Wire Strip Length0.310.330.35in
Supported Wire Gauge (Stranded, with ferrule) ‡22-18AWG
Push Button WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)24-18AWG
Bare Wire Strip Length0.330.350.37in
Supported Wire Gauge (Stranded, with ferrule) ‡28-20AWG
| † | Continuous current is thermally limited, therefore it depends on environmental and loading factors. Channel may shut itself off automatically if thermal limits are reached | | :-: | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | †† | As of 01/04/2024, orders made from REV Robotics will ship with the version of the Power Distribution Hub that features Latching WAGO Connectors on the Low Current Channel's WAGO blocks. | | ‡ | If using a ferrule, we recommend using square or hex shaped crimps. | #### Power Distribution Hub Circuit Breakers {% hint style="info" %} [Information about the REV ATO Auto-resetting Circuit Breakers has moved to its own page!](https://docs.revrobotics.com/ion-control/pdh/specs/rev-ato-auto-resetting-breakers) {% endhint %} ## Mechanical Specifications
ParameterMinTypMaxUnits
Body Length-8.875-in
Body Width-4.375-in
Body Height-1.563-in
Weight-1.14-lbs
Mounting Hole Grid Pitch-0.5-in
Mounting Screw Size (Clearance)-#10--
Case Material-ABS--
{% hint style="danger" %} DO NOT use thread-locking fluid on the mounting hardware for the REV Power Distribution Hub. Thread-locking fluid will damage the ABS plastic case. {% endhint %} ### Mechanical Drawings

Power Distribution Hub mechanical drawings top & front view