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files/StarterKit.png
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Included: the NEMA 1 enclosure with contactor and overload, assembled with the correct voltage coil.
Motor: a Baker 4 in motor of the same horsepower and voltage.
Sized at install: supply wiring, fusing or breaker and the motor leads.
Baker IEC starter kits start and protect three-phase submersible motors. Each kit includes a NEMA 1 enclosure, contactor and overload, assembled with the correct voltage coil for the motor. Pick the kit by motor horsepower and supply voltage.
The 5, 7 1/2 and 10 HP kits also serve Baker 6 in three-phase motors; larger kits, to 75 HP, are on the 5-75 HP starter kit listing.
Covered for 2 years from the date of manufacture or 1 year from the date of installation, whichever comes first, under A.Y. McDonald’s standard limited warranty for Baker products.
| Part No. | Motor HP | Coil Voltage | Motor Supply | Weight |
|---|---|---|---|---|
| 3131-303 | 1/2 | 230V | 230V three-phase | 6 lb |
| 3131-316 | 1/2 | 460V | 460V three-phase | 6 lb |
| 3131-304 | 3/4 | 230V | 230V three-phase | 6 lb |
| 3131-317 | 3/4 | 460V | 460V three-phase | 6 lb |
| 3131-305 | 1 | 230V | 230V three-phase | 6 lb |
| 3131-306 | 1 1/2 | 230V | 230V three-phase | 6 lb |
| 3131-318 | 1 | 460V | 460V three-phase | 6 lb |
| 3131-319 | 1 1/2 | 460V | 460V three-phase | 6 lb |
| 3131-333 | 1 1/2 | 575V | 575V three-phase | 10 lb |
| 3131-307 | 2 | 230V | 230V three-phase | 6 lb |
| 3131-320 | 2 | 460V | 460V three-phase | 6 lb |
| 3131-334 | 2-3 | 575V | 575V three-phase | 10 lb |
| 3131-308 | 3 | 230V | 230V three-phase | 6 lb |
| 3131-321 | 3 | 460V | 460V three-phase | 6 lb |
| 3131-309 | 5 | 230V | 230V three-phase | 6 lb |
| 3131-322 | 5 | 460V | 460V three-phase | 6 lb |
| 3131-335 | 5 | 575V | 575V three-phase | 10 lb |
| 3131-310 | 7 1/2 | 230V | 230V three-phase | 6 lb |
| 3131-323 | 7 1/2 | 460V | 460V three-phase | 6 lb |
| 3131-336 | 7 1/2 | 575V | 575V three-phase | 10 lb |
| 3131-311 | 10 | 230V | 230V three-phase | 9 lb |
| 3131-324 | 10 | 460V | 460V three-phase | 6 lb |
| 3131-337 | 10 | 575V | 575V three-phase | 10 lb |
Sources: Pumps by Baker catalog (Sept 2025, rev 3/26), p. 134; Baker Pumps and Accessories price list, effective 7/1/2026.
Match the kit to the motor nameplate: the same horsepower and the same supply voltage. Single-phase three-wire motors take a control box instead, and two-wire motors need neither.
Product videos are being added to this listing. For a walkthrough in the meantime, email sales@watermainsupply.com.
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