AMC 2026 catalogue

Motors

Pump Motors

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MOTORS

1-Phase Face-Mount Pool Pump Motors

▪Enclosure: open dripproof ▪Thermal protection: auto ▪Insulation: Class B ▪Bearings: ball ▪Max. ambient temp.: 50°C ▪UL Recognized and CSA Certified Motors are equivalent replacements for most popular pool and spa pump manufacturers' pumps. Sealed switch design prevents water infiltration. Moisture/heat-resistant bearing lubricant. 56C frame shaft: keyed steel, 5⁄8" dia. x 1 7⁄8"L with 3⁄16"W keyway. 56J frame shaft: 303 stainless steel, 7⁄16-20 UNF-2A RH threaded 11⁄16" from end.

Note: Must equal or exceed service factor and HP for proper replacement.

AOSUCT1072 AOSB126 AOSB121

HP Nameplate RPM NEMA/IEC Frame Voltage Full Load Amps Motor Service Factor

Motor Efficiency Group

Motor Flange Material

Item

No. Permanent Split Capacitor

3⁄4 3,450 56C 115/230V AC 6.0/12.0 1.5 Standard Efficient Aluminum AOSB121 1 3,450 56C 115/230V AC 7.2/14.4 1.4 Standard Efficient Aluminum AOSB122 Capacitor-Start/Run

3⁄4 3,450 56J 115/230V AC 8.0/4.0 1 Energy Efficient Aluminum AOSUCT1072 1 3,450 56J 115/230V AC 11.0/5.5 1 Energy Efficient Aluminum AOSUCT1102 1 1⁄2 3,450 56J 115/230V AC 14.6/7.3 1 Energy Efficient Aluminum AOSUCT1152 2 3,450 56J 115/208-230V AC 19.6/10.4-9.8 1 Energy Efficient Aluminum AOSUST1202 2 1⁄2 3,450 56J 208-230V AC 12.6-11.4 1.06 Energy Efficient Aluminum AOSUST1252 3 3,450 56J 208-230V AC 15.0-13.3 1.15 Energy Efficient Aluminum AOSST1302V1 Permanent Split Capacitor

1⁄2 3,450 56J 115/230V AC 4.4/8.8 1.6 Standard Efficient Aluminum AOSB126 3⁄4 3,450 56J 115/230V AC 6.0/12.0 1.5 Standard Efficient Aluminum AOSB127 1 3,450 56J 115/230V AC 7.2/14.4 1.4 Standard Efficient Aluminum AOSB128 1 1⁄2 3,450 56J 115/230V AC 9.2/18.4 1.3 Standard Efficient Aluminum AOSB129 2 3,450 56J 115/230V AC 21.6/10.8 1.2 Standard Efficient Aluminum AOSB836 2 1⁄2 3,450 56J 230V AC 10.5 1 Standard Efficient Aluminum AOSB231SE 3 3,450 56J 230V AC 14.1 1.15 Standard Efficient Aluminum AOSB131

CENTURY

1-Phase Hazardous Location Motors

▪Max. ambient temp.: 40°C ▪Thermal protection: auto ▪Bearings: ball ▪Rotation: CW/CCW ▪UL Listed and CSA Certified

AOSG871 AOS56C11G15503

* Totally enclosed nonventilated. ‡ Shaft is 5⁄8" x 2 1⁄4".

HP

Nameplate

RPM Frame Voltage Full Load Amps

Motor Service Factor

Ins. Class

Nominal Efficiency

Overall Length

Motor Mounting Type Brand

Item

No. Totally Enclosed Fan-Cooled

1⁄4 1,140 56 115/208-230V AC 6.8/3.1-3.4 A 1 B 70.5 % 13 15⁄16 in Rigid Base Marathon AOS56C11G15502

1⁄3 1,725 56 115/208-230V AC 6.6/3.1-3.3 A 1 B 75.5 % 13 7⁄16 in Rigid Base Marathon AOS56C17G15521 1,140 56 115/208-230V AC 7.8/3.9-3.6 1 B 86.5 % 13 15⁄16 in Rigid Base Marathon AOS56C11G15503 1⁄2 3,450 56 115/208-230V AC 8.4/4.2-4.0 1 B 86.5 % 13 7⁄16 in Rigid Base Marathon AOS56C34G15515

3⁄4 3,450 56 115/208-230V AC 10.6/5.3-5.3 1 B 66.5 % 13 15⁄16 in Rigid Base Marathon AOS56C34G15517 1,725 56 115/208-230V AC 11.0/5.5-5.4 1 B 86.5 % 14 7⁄16 in Rigid Base Marathon AOS56C17G15525 1,725 56 115/208-230V AC 11.0/5.4-5.5 A 1 B 86.5 % 14 7⁄16 in Rigid Base Marathon WWG1TUN2 1 1⁄2 1,725 56H 208-230V AC 8.1-7.8 A 1 B 75.5 % 16 1⁄16 in Rigid Base Marathon AOS56B17G15506 1 1,725 56H 115/208-230V AC 13.4/6.8-6.7 A 1 B 86.5 % 14 1⁄16 in Rigid Base Marathon AOS56C17G15527 1⁄3 1,725 56C 115/208-230V AC 6.6/3.1-3.3 A 1 B 55 % 13 7⁄16 in Face/Base Marathon AOSG871 1⁄2 1,725 56C 115/208-230V AC 8.8/4.2-4.4 A 1.15 F 66 % 13 15⁄16 in Face/Base Marathon AOSG872

3⁄4 3,450 56C 115/208-230V AC 10.6/5.3-5.3 A 1 B 66 % 13 15⁄16 in Face/Base Marathon AOSG873 1,725 56C 115/208-230V AC 11.0/5.4-5.5 A 1 B 70 % 14 7⁄16 in Face/Base Marathon AOSG874 1 1,725 56C 115/208-230V AC 13.4/6.8-6.7 A 1 B 72 % 14 7⁄16 in Face/Base Marathon AOSG876 1⁄4 1,140 56CZ 115/208-230V AC 6.8/3.1-3.4 A 1 B 85.5 % 14 5⁄16 in Face Marathon AOS56C11G15504

1⁄3 1,725 56C 115/208-230V AC 6.6/3.3-3.1 1 B 86.5 % 13 7⁄16 in Face Marathon AOS56C17G15526 1,725 56C 115/208-230V AC 6.6/3.1-3.3 A 1 B 86.5 % 13 7⁄16 in Face Marathon WWG1TUN8 1⁄2 1,725 56C 115/208-230V AC 8.8/4.2-4.4 A 1 B 85.5 % 13 15⁄16 in Face Marathon AOS56C17G15524 3⁄4 1,725 56C 115/208-230V AC 11.0/5.4-5.5 A 1 B 86.5 % 14 7⁄16 in Face Marathon AOS56C17G15530 1 1,725 56C 115/208-230V AC 13.4/6.8-6.7 A 1 B 75.5 % 14 1⁄2 in Face Marathon AOS56C17G15516 Totally Enclosed Nonventilated

1⁄4

1,725 48 115/230V AC 4.2/2.1 A 1 B 59.5 % 10 3⁄4 in Rigid Base Marathon AOSC646 1,725 56 115/208-230V AC 4.8/2.3-2.4 1 B 75.5 % 11 15⁄16 in Rigid Base Marathon AOS56C17E15503 * 1,725 56 115V AC 5.4 1 B 59.5 % 11 15⁄16 in Rigid Base Marathon AOS56S17E15501 * 1,725 56 115V AC 5.4 A 1 B 59.5 % 11 15⁄16 in Rigid Base Marathon WWG1TUP2 1,725 56 115/208-230V AC 4.8/2.3-2.4 A 1 B 75.5 % 11 15⁄16 in Rigid Base Marathon WWG1TUL8

MARATHON

Motors have sturdy rolled-steel frames and meet the National Electrical Code for hazardous loca- tions. Unmounted conduit box is included with all 56-frame motors. Use to power fans, blowers, pumps, or air compressors in areas that meet the National Electrical Code for hazardous locations.

Note: For assistance with hazardous location classification, see page 4.