
Century Energy Efficient Pump Motor, Full Rated, 1.5 HP, 115/230V, ST1152
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Quick overview
- Full rated 1.5 HP A full rated motor, not an up rated one, at 1.5 HP and 1.1 kW output.
- Dual voltage Wired for 115 or 230 volts, so it suits either supply at the pad.
- 56J round flange Round flange, 56J frame, 3450 rpm, the standard threaded shaft pool motor pattern.
- Capacitor start capacitor run Sealed ball bearings, a sealed switch design and a 303 stainless shaft.
- Fits three pump families Hayward Super II Energy Efficient, Hayward NorthStar Full Rate and Jacuzzi Magnum Full Rate.
- Not for California This motor is not California Title 20 compliant and is not sold in California.
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Frequently bought together

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Product details
The Century ST1152 is a full rated, energy efficient 1.5 HP pool pump motor for 115 or 230 volt supplies. It uses the 56J frame with a round flange and turns at 3450 rpm, the standard threaded shaft pattern for pool pumps.
Nameplate and build
Output is 1.5 HP, 1.1 kW, on 208 to 230 or 115 volts, drawing 10.4 to 9.8 amps at the higher voltage or 19.6 amps at 115. It is a capacitor start capacitor run motor with across the line starting, sealed ball bearings at both ends, a sealed switch design and a 303 stainless shaft threaded 7/16 in. The enclosure is open drip proof with automatic thermal protection, rated for a 50 C ambient, class B insulation, UL 1081 design. Overall length is 15.19 in. with a 9.25 in. frame.
Which pumps
Century lists it for the Hayward Super II Energy Efficient, the Hayward NorthStar Full Rate and the Jacuzzi Magnum Full Rate. Full rated means the stated horsepower is the real output, not a figure reached by counting the service factor.
California
This motor is not California Title 20 compliant and is not sold in California. For that market Century builds six variable speed models that conform to the CEC standards: the V-Green EVO EVC130, EVC165, EVC225, EVQ130, EVQ165 and EVQ225.
| Brand | Century |
|---|---|
| Manufacturer part number | ST1152 |
| UPC | 786674031792 |
| Type | Full rated energy efficient pool pump motor |
| Output | 1.5 HP, 1.1 kW |
| Voltage | 208-230/115 V |
| Speed | 3450 rpm |
| Service factor | 1.47 on the nameplate, listed as 1.30 |
| Current | 10.4-9.8/19.6 A |
| Frame | 56J, round mounting, rolled steel |
| Enclosure | Open drip proof |
| Electrical type | Capacitor start capacitor run, across the line starting |
| Bearings | Ball, drive end and opposite drive end, sealed |
| Shaft | 7/16 in. thread, 303 stainless, 0.625 in. diameter, 2.563 in. extension |
| Overall length | 15.19 in., frame length 9.25 in. |
| Thermal protection | Automatic, 50 C ambient, insulation class B |
| Fits | Hayward Super II Energy Efficient, Hayward NorthStar Full Rate, Jacuzzi Magnum Full Rate pumps |
| Shipping weight | 30.85 lb |
| Ships | Parcel |
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