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The SUPCO SPP4E is an Electronic Potential Relay/Start Capacitor Combination Hard Start Kit designed for 1/8 - 1 Hp applications. This kit features an electronic timing circuit and state-of-the-art electronic potential relay technology, providing enhanced reliability for hard-starting compressors. It operates within a voltage range of 90-277 VAC and is suitable for single-phase air conditioner and refrigeration units, including PSC/CSIR types.
Enhances compressor startup performance with reliable electronic potential relay technology.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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