Power Expander SSR Relay

Power Expander SSR Relay
25,00 €
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Availability: In stock

Versatile electronics solid-state relay for 3D printer heatbeds, hotends, fans and other high current demanding equipment.

The Power Expander is based on MOSFET technology, hence no relay contact switching or associated EMC noise, leading to increased long term durability.

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Description

Details

Use cases

Add a heated build platform to an Ultimaker 3D printer

PowerExpander.jpg


If you are building a larger 3D printer you might want to attach multiple heated printbeds (connections shown here with Ultimaker electronics)

PowerExpander-X3.jpg


Driving a heating element together with a Heatbed Temperature Controller

PowerExpander W1209.png


Ideas for possible uses:

  • fans
  • lighting
  • automatic conveyor belt
  • motors
  • incubators
  • heated magnetic stirrers
  • ...

In general anything that draws DC current from a voltage in between 12 and 24 Volt DC can be driven by the Power Expander

The Motivation

Lots of 3D printer electronics does have the ability to drive only a few power consuming devices at one time, for instance a hotend, a heatbed and usually a small fan. Still there's normally a lot of general I/O pins left for extra functionality. These pins however usually can only handle small currents up to 20 milliampere. Most equipment require driving currents well beyond this limit, hence the need for an adapter capable of administering these larger currents.

Technical specifications

Power handling designed for 12 to 24V DC (absolute maximum 32V DC)

Signal_in 5 to 24V DC (absolute maximum 32V DC)

Signal_in and power_in are galvanically isolated.

Maximum power current up to 60A peak (unfused)

Board outline 30X30mm

Mounting holes 22X22mm (Ø3.2mm)

Please note that the Power Expander is unfused.

Datasheet for the driving MOSFET: PSMN7R0-30YLC.

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