Customer Service was great quick shipment time packaging very well. No damage will leave another review after I get it going. I haven’t hooked it up yet.
7.5 HP 3 Phase Magnetic Starter NEMA 1 208-240V 17 - 24 Amp P21A
Brand new 7.5 horsepower three phase 208-240 volt magnetic starter. This is a great quality starter with a built in overload which is adjustable from 17-24 amps. Also has a manual reset button that can be switched to auto reset. The steel housing has four 3/4"punch out holes for incoming and outgoing wires. Also included are three rubber surround grommets for the 3/4" holes to protect the wires if needed. Starter comes with basic wiring instructions.
PROFESSIONAL INSTALLATION IS REQUIRED
Specifications:
Starter Housing Size: 9" Tall, 5-1/2" Wide, 5-1/2" Deep
Starter Rating: 7.5 HP, 220-240volt, 3 Phase (will also work on 208v)
Amp Rating: 17-24 amps / adjustable
Due to this being an electrical item that can be installed incorrectly there is no warranty on this item once it has been installed.
Overview
| Brand | Shihlin Electric |
|---|---|
| Horsepower Maximum motor horsepower this starter is rated to control at the listed voltage and phase. | 7.5 HP |
| Phase | Three Phase |
| Voltage | 208-240 V |
| Frequency | 60 Hz |
| Overload adjustment range The overload relay’s adjustable trip-current band. Set the dial to roughly 115% of the motor’s full-load amps. | 17.0–24.0 A |
| Enclosure NEMA 1 = general-purpose indoor. NEMA 4X = washdown / outdoor, dust- and corrosion-resistant. | NEMA 1 |
| Country of origin Where this starter is manufactured, per the manufacturer / supplier documentation. | China |
| Catalog / part number | P21A |
Overload Protection
| Reset mode Manual reset requires pressing the button after a trip; automatic re-closes on cooldown. | Manual (switchable to automatic) |
|---|
Enclosure & Physical
| Enclosure material | Steel |
|---|---|
| Dimensions (H × W × D) Approximate enclosure size from the manufacturer catalog. | 9.0″ H × 5.5″ W × 5.5″ D |
Ratings & Compliance
| Application notes | For air-compressor use, control the starter with a pressure switch (sold separately). |
|---|

