A safe way for Makers and DiY'ers to control mains ac power with a microcontroller.

PowerSwitchTail.com​

PowerSwitch Tail II
Wired for Normally Open (NO) Operation
PN 80136: $25.99 ea
In Stock

PowerSwitch Tail II
Wired for Normally Closed (NC) Operation
PN 80136-NC: $26.99 ea
In Stock

An isolated dc-actuated power cord (NO or NC) for controlling power to 120vac appliances from a microcontroller I/O pin (3-12vdc, 3-30ma).
 
"The easiest way to control an AC device with an Arduino, Raspberry Pi, Beaglebone or any other DIY controller."
 
*** Either unit can be rewired for normally open (NO) or normally closed (NC) operation. Soldering required. *** 

SAFE
  • No exposed 120vac voltages and no dangerous 120vac wiring required.
  • Plugs into standard 120vac 3-prong household outlets, power strips, and extension cords.
  • Eliminates the exposure of hazardous voltages in DIY projects, classrooms, and on development workbenches.
  • No special 120vac wiring when deploying new products and custom solutions.
  • Can be installed by non-technical users:  Instruction sheet .
  • 5300vrms isolation from the 120vac circuit.

CONVENIENT
  • Easily inserts between power source and corded electrical devices.
  • Switches up to 15 amps with a control signal as low as 3vdc @ 3ma.
  • Connects directly to the I/O pins of the Arduino, Raspberry Pi, Beaglebone or other 3.3 or 5 volt MCUs.
  • Two-wire control signal connection; no separate power supply required.
  • LED indicator shows status of control signal.
  • Connect input plug to wall outlet or when using multiple units, to a power strip.
  • Connect output receptacle to a single powered device or to a power strip to control multiple loads.
  • Output devices may be 3-prong or 2-prong appliances or lights.
  • Convenient safety ground connection available for grounding external control circuit.   

SPECIFICATIONS:
  • AC input: NEMA 5-15P Plug, standard 120vac with ground.
  • AC output: NEMA 5-15R Receptacle, standard 120vac with ground.
  • Switching capacity: 15amps @ 120vac
  • Relay contact configuration: 1C, can be rewired (soldering required) for normally open (NO) or normally closed (NC) operation.
  • Life expectancy: 100,000 operations @ 15 amps, 125vac, resistive
  • DC input: 3-12vdc (3-30ma), terminal block accepts #30-14 AWG wire.
  • Operate times: 15 ms max actuate, 10 ms max release.
  • DC to ac circuit isolation: 5300Vrms. 
  • Indicator: LED indicates when dc side is energized.
  • Protection: AC side protected with 150vac MOV; DC side is transient free.
  • Mounting: Two #6 screws or free standing.
  • Environment: Indoor use only. 

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Our liability is limited to the purchase price of this product. By using this product you agree that PowerSwitchTail.com, LLC can not be held liable for any damages or injuries resulting from use. misuse, or repair. This product is for indoor use only.​