Your browser is not supported. For the best experience, you should upgrade to a modern browser with improved speed and security.
Click here for information on branch procedures as a result of COVID-19

TRADEPRO® - TP-KS1 Hard Start Device 3.5 - 5 Ton

Item: TP-KS1
MFR: 97643

Store Inventory

Sign in to see real-time inventory at the stores closest to you.
What’s the price?
Sign in for pricing.

Frequently Bought Together

Best Sellers

About This Product

Product Info


The only two-wire, pre-assembled Hard Start Kit on the market that uses a high-quality Mechanical Potential Relay in a unique design. Absolutely no use of circuit boards, timers or PTCR devices!
  • 3.5 - 5.0 ton maximum torque
  • Ffor single phase 208V, 230V and 265V A/C, refrigeration and heat pump compressors


Weight21.1 Pounds (lbs)
Width12 Inches (In)
Height10 Inches (In)
Country of OriginUSA
Length14 Inches (In)
% Increase In TorqueVaries
Application2-wire starting device that uses a mechanical potential relay and start capacitor
Capacitor MFD µF270
Cycle/Hertz50/60 Hz
Drop Out VoltageProprietary
FeaturesAssists compressors in starting under very adverse conditions such as low voltage or high head pressures. Extends the life of the compressors
For Use WithSingle phase 208V, 230V and 265V A/C refrigeration and heat pump compressors
Maximum Coil Voltage305 Volts
Pick Up VoltageProprietary
Prop 65No
Relay TypePotential relay
TypePotential Relay and Start Capacitor
UL RecognizedNo
Voltage330 VAC
Warranty OfferedYes

Equipment Part List

Delivery and Shipping