{"title":"A.O. Smith","description":"\u003cp\u003eIndustrial surplus A.O. Smith parts and equipment, in stock at MRO Exchange.\u003c\/p\u003e","products":[{"product_id":"ao-smith-century-ii-ac-motor-t46055-5-hp-1200-rpm-02309","title":"A.O. Smith T46055 AC Motor 5 HP 1200 RPM","description":"\u003cp\u003eThe A.O. Smith Century II EPACT T46055 is a 5 HP three phase AC induction motor built on a NEMA 215T frame with a TEFC (Totally Enclosed Fan Cooled) enclosure. The nameplate lists dual voltage operation at 200, 230, and 460 VAC with a 60 Hz rated speed of 1160 RPM, and provides 50 Hz operation at 960 RPM. Full load amperage is rated 15.7\/7.7 amps at 230\/460V (60 Hz). Class F insulation supports a 40 degree C ambient and the motor carries an inverter duty rating, making it suitable for variable frequency drive applications across constant and variable torque loads. Drive end bearing is 6308 2Z\/C3 and opposite drive end is 6208 2Z\/C3, both sealed for service. The unit carries CSA, NRTL\/C, and CE agency markings and is configured for continuous duty (CONT). Design Code B with NEMA premium efficiency at 87.5 percent at 60 Hz, and an 80.0 power factor. The cast iron frame features a rigid foot mount base, top mounted lifting eyebolt, large diameter conduit box with terminal connection diagram on the inside cover, and a keyed output shaft. Typical applications include pumps, fans, blowers, compressors, conveyors, and general industrial machinery requiring a low speed six pole 5 HP prime mover. Serial code 15208TG. Catalog reference 5KS215BD305.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02309\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49730529263856,"sku":"m02309","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/rn-image_picker_lib_temp_b733e9f9-e438-4b25-91a1-4bf827e50db9.png?v=1781625452"},{"product_id":"ao-smith-shaded-pole-motor-657-ca2h021n-1-hp-1500-rpm-02410","title":"A.O. Smith CA2H021N Shaded Pole Motor 1500 RPM","description":"\u003cp\u003eRated at 1\/20 HP and 1550 RPM, the A.O. Smith 657 is a single phase shaded pole motor designed for HVAC condenser fan, blower, and unit heater applications. The nameplate identifies model CA2H021N, stock number 657, serial 068126M, with an operating voltage range of 208-240\/480V at 60 Hz. Current draw is 0.75 amps at 208-240V and 0.34 amps at 480V. The motor uses Class B insulation, sleeve bearings, and includes built-in thermal overload protection. A 5\/16 inch diameter by 3 5\/8 inch stainless steel shaft extends from the closed 4.3 frame, and rotation is CCWSE per the manufacturer box label. The unit is rated for continuous duty and was assembled in Mexico under the A.O. Smith Universal Electric Motor division based in Tipp City, Ohio. Factory cross references on the original box include CA2H013, CA2H015, 3900-0361-000-001, and 3900-0361-002, making this motor a direct replacement option for Emerson Chromalox motors used in Marley, QMark, Berko, and similar electric unit heaters as well as a range of OEM HVAC condenser fan applications. UL and CSA recognized. The motor ships with original color coded lead wires for 208-240V or 480V wiring configurations. Carries the Universal Electric and A.O. Smith branding from the period prior to the Century and Regal Rexnord transition.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02410\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49745242521840,"sku":"m02410","price":326.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/4C8C573A-5605-49BA-AF3B-29E27850282B.png?v=1781625979"},{"product_id":"ao-smith-condenser-fan-motor-ca2h021n-1-hp-1500-rpm-02470","title":"A.O. Smith CA2H021N Shaded Pole Motor 1500 RPM","description":"\u003cp\u003eUsed in heating, ventilating, and air conditioning applications, the A.O. Smith CA2H021N is a single-phase AC condenser fan motor rated at 1\/20 HP and 1550 RPM. The nameplate identifies voltage as 208-240\/480V at 60 Hz, with current draw of 0.75\/0.34 amps. Serial number 0411106M is visible on the nameplate label, which also indicates Class B insulation and continuous duty (CONT AO) rating. The motor is thermally protected and carries UL and CSA certifications per the rating plate. Country of assembly is Mexico per the nameplate. The unit is sold as model CA2H021N, stock number 657, manufactured by A.O. Smith as a Universal Electric product built in Tipp City, Ohio. Cross-reference part numbers include 3900-0361-002, 3900-0361-000-001, and 3900-0361-888 per published reference data. The motor features a multi-wire lead configuration and a vertical shaft orientation. No original packaging is included. Surface marks and minor soiling are visible in the photos.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02470\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49748609171696,"sku":"m02470","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/4E48AC8E-B26D-4855-887B-25779A6818CE.png?v=1787750500"},{"product_id":"ao-smith-evaporative-cooler-motor-s56c25a97-1-hp-1800-rpm-02472","title":"A.O. Smith S56C25A97 Evaporative Cooler Motor 1 HP 1800 RPM Inspected Surplus - Appears Unused","description":"\u003cp\u003eUsed in evaporative cooler systems requiring two-speed fan motor operation, the A.O. Smith S56C25A97 is a single-phase AC motor rated at 1\/2 and 1\/6 HP with dual operating speeds of 1725 and 1140 RPM. Voltage is 115V, frequency is 60 Hz, and the unit operates on a single phase. The motor is built on a 56Z frame with a 1\/2-inch flat shaft, CWLE rotation, open enclosure, and rigid base mounting configuration. Bearings are ball type, and thermal protection is automatic reset. Service factor is listed as 1.0 on the nameplate. Serial number is 08610CH per the box label. Country of manufacture is China per nameplate notation. The S56C25A97 is a known original A.O. Smith part number, with Century SVB2054V1 identified as the current OEM successor replacement. The unit was received in its original A.O. Smith box with foam packaging intact. The box has been opened and the motor is visible but shows no signs of installation or use. No base is included per standard configuration for this model. Compatible with residential and commercial evaporative cooler applications specifying a 56Z frame, 115V single-phase, two-speed motor.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02472\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49748642758896,"sku":"m02472","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/5E54C8B2-1679-4FBC-9848-1283BD5BF94A_20260722073524205.png?v=1787750261"},{"product_id":"ao-smith-shaded-pole-motor-ca2h021n-m02476-variable-1500-rpm-02476","title":"A.O. Smith CA2H021N Shaded Pole Motor 1500 RPM Inspected Surplus - Appears Unused","description":"\u003cp\u003eA.O. Smith model CA2H021N is a shaded pole AC motor rated at 1\/20 HP with a nameplate speed of 1550 RPM. Voltage is listed as 208-240\/480V, operating at 60 Hz with a current draw of 0.75\/0.34 amps depending on voltage configuration. The motor is single phase with Class B insulation and carries thermal protection. Enclosure type is totally enclosed air over (TEAO) per the box label, frame designation 43, with a 5\/16 inch diameter shaft measuring 3-5\/8 inches in length. Bearing type is sleeve. Rotation is CCWSE (counterclockwise, shaft end). Stock number per the original A.O. Smith box is 657. Serial number visible on the nameplate is SER 068126M. Assembled in Mexico. Cross-reference numbers listed on the original packaging include CA2H013, CA2H015, 3900-0361-000-001, and 3900-0361-002. The motor is branded under the A.O. Smith Universal Electric label, manufactured at the Tipp City, Ohio facility. Listings and dimensions confirmed from the original manufacturer box label and motor nameplate. This unit is a single-speed, single-phase shaded pole motor suitable for HVAC and refrigeration fan applications requiring 208-240V or 480V supply.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02476\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49748803223792,"sku":"m02476","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/0CCBFB72-FD14-42B8-8D1C-E05DF7517738.png?v=1781626173"},{"product_id":"ao-smith-condenser-fan-motor-ca2h021n-m02478-variable-1500-rpm-02478","title":"A.O. Smith CA2H021N Shaded Pole Motor 1500 RPM Inspected Surplus - Appears Unused","description":"\u003cp\u003eThe A.O. Smith CA2H021N is a single-phase AC condenser fan motor rated at 1\/20 HP and 1550 RPM, designed for multi-voltage HVAC and commercial heating applications. Rated for 208-240\/480V input at 60 Hz, this motor draws .75\/.34 amps and carries a Class B insulation rating. Single-phase construction with thermally protected operation provides built-in overload safety. The nameplate designates it under A.O. Smith stock number 657, with cross-reference numbers 3900-0361-002 and 3900-0361-000-001, allowing compatibility verification with Marley, Berko, and QMark unit heater platforms. Serial code 0411106M is visible on the motor nameplate. The motor features a threaded stud mounting arrangement with multiple through-bolt studs visible on the end face, and lead wires exit from the top end for flexible installation. Assembled in Mexico and listed under the Universal Electric brand, manufactured in Tipp City, OH. This motor type is commonly used as a replacement in cabinet unit heaters, wall heaters, and similar forced-air HVAC equipment where multi-voltage capability is required. Condition is consistent with an unused motor removed from its original box.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02478\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49748821442800,"sku":"m02478","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/A6545DAF-4B5F-4922-B65D-2726335341EC.png?v=1781625770"},{"product_id":"ao-smith-ac-motor-s56c25a97-1-hp-1800-rpm-02498","title":"A.O. Smith S56C25A97 Evaporative Cooler Motor 1 HP 1800 RPM Inspected Surplus - Appears Unused","description":"\u003cp\u003eThe A.O. Smith S56C25A97 is a two-speed single-phase AC motor rated at 1\/2 and 1\/6 horsepower, designed for evaporative cooler and ventilation fan applications. It operates on 115 volts, 60 Hz, with dual speeds of 1725 and 1140 RPM. Frame size is 56Z with an open drip-proof enclosure and rigid base mounting. Rotation is CWLE (clockwise looking at lead end). Rated current is 7.3 amps at high speed and 4.3 amps at low speed, with a service factor of 1.0 and Class B insulation. The motor incorporates an automatic reset thermal protector, Type A. Bearings are ball type. The shaft is 1\/2 inch with a flat. Phase is single (1 PH), ambient temperature rating 40 degrees C. Serial number 08610CH. Manufactured by A.O. Smith Corp., made in China, UL and CSA listed. The S56C25A97 has been superseded in the A.O. Smith \/ Century lineup by the SVB2054 series, which shares the same core specifications. Suitable for use in residential and commercial belt-drive evaporative coolers, portable fans, and similar load applications requiring two-speed operation. Housing shows no surface wear or paint damage consistent with unused or minimally handled condition.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02498\u003c\/p\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":49750960570608,"sku":"m02498","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/F74A10C9-D196-4920-B270-DCBCAA66555E.png?v=1787748202"}],"url":"https:\/\/mroexchange.com\/collections\/a-o-smith.oembed","provider":"MRO Exchange","version":"1.0","type":"link"}