# 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

Parameter	Min	Typ	Max	Units
Operating Voltage Range	4.7	12	18	V
Power Input Wire Gauge (Bare Solid)	18	-	6	AWG
Power Input Wire Gauge (Bare Stranded)	18	-	4	AWG
Power Input Bare Wire Strip Length	0.72	0.75	0.79	in
Power Input Wire Gauge (Stranded, with ferrule) †	18	-	6	AWG
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

Parameter	Min	Typ	Max	Units
CAN Termination	-	120	-	Ω
Latching WAGO Connectors †
CAN Terminal Wire Gauge (Bare Solid/Stranded)	26	-	14	AWG
CAN Terminal Bare Wire Strip Length	0.31	0.33	0.35	in
CAN Terminal Wire Gauge (Stranded, with ferrule) ††	22	-	18	AWG
Push Button WAGO Connectors †
CAN Terminal Wire Gauge (Bare Solid/Stranded)	24	-	18	AWG
CAN Terminal Bare Wire Strip Length	0.33	0.35	0.37	in
CAN Terminal Wire Gauge (Stranded, with ferrule) ††	28	-	20	AWG

| † | 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

Parameter	Min	Typ	Max	Units
Fuse/Circuit Breaker Size	-	ATO/ATC	-	-
Supported Fuse/Circuit Breaker Current Rating	-	-	40	A
Channel Current Measurement Range	0	-	127.9	A
Channel Current Measurement Resolution	-	125	-	mA
Supported Wire Gauge (Bare Solid/Stranded)	24	-	8	AWG
Bare Wire Strip Length	0.43	0.5	0.51	in
Supported Wire Gauge (Stranded, with ferrule) †	24	-	10	AWG

| † | If using a ferrule, we recommend using square or hex shaped crimps. | | :-: | ------------------------------------------------------------------- | ### Low Current Channel Specifications

Parameter	Min	Typ	Max	Unit
Fuse/Circuit Breaker Size	-	ATM/APM	-	-
Continuous Output Current	-	-	15	A
Single Channel Peak Output Current †	-	-	20	A
Supported Fuse/Circuit Breaker Current Rating	-	-	15	A
Supported Fuse/Circuit Breaker Current Rating for PH and PCM (See note below)	-	-	20	A
Channel Current Measurement Range	0	-	31.94	A
Channel Current Measurement Resolution	-	62.5	-	mA
Latching WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)	26	-	14	AWG
Bare Wire Strip Length	0.31	0.33	0.35	in
Supported Wire Gauge (Stranded, with ferrule) ‡	22	-	18	AWG
Push Button WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)	24	-	18	AWG
Bare Wire Strip Length	0.33	0.35	0.37	in
Supported Wire Gauge (Stranded, with ferrule) ‡	28	-	20	AWG

{% 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

Parameter	Min	Typ	Max	Unit
Continuous Output Current †	-	-	15	A
Fuse/Circuit Breaker Size	-	ATM/APM	-	-
Supported Fuse/Circuit Breaker Current Rating †	-	-	15	A
Low Current Channels	0	-	31.94	A
Low Current Channel Resolution	-	62.5	-	mA
Switching Frequency	-	-	10	Hz
Latching WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)	26	-	14	AWG
Bare Wire Strip Length	0.31	0.33	0.35	in
Supported Wire Gauge (Stranded, with ferrule) ‡	22	-	18	AWG
Push Button WAGO Connectors ††
Supported Wire Gauge (Bare Solid/Stranded)	24	-	18	AWG
Bare Wire Strip Length	0.33	0.35	0.37	in
Supported Wire Gauge (Stranded, with ferrule) ‡	28	-	20	AWG

| † | 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!](/ion-control/pdh/specs/rev-ato-auto-resetting-breakers.md) {% endhint %} ## Mechanical Specifications

Parameter	Min	Typ	Max	Units
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

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