Worldwide PE Premium Efficiency Motor - 125 HP, 3600 RPM, 3-Phase, TEFC, 208-230/460V, 444TS Frame (Short Shaft), Insulated Bearing | Model PEWWE125-36-444TS-IB

The Worldwide Electric PE-series 125 HP premium efficiency motor is a NEMA Premium-rated, heavy industrial TEFC motor built for the demanding applications where downtime isn't an option — large pumps, commercial HVAC systems, mining operations, municipal water treatment, industrial processing, and large OEM equipment. Built with cast-iron frame and bearing housings, this motor is the cost-effective choice for Colorado contractors and plant managers who need reliable premium-brand performance without paying a premium-brand markup.

This model runs at 3600 RPM — high-speed (2-pole) — large compressors, industrial blowers, centrifugal pumps running at full speed.

About the TS frame designation: The 'TS' suffix indicates a short shaft designed for direct-coupled applications — the load mounts directly to the motor shaft rather than using a belt drive. For belt drives, specify the T-frame variant instead.

Bearing configuration for this model

• Insulated opposite drive-end bearing (VFD-ready, prevents shaft currents — critical for motors operated on drives)

Full specifications

Horsepower	125 HP
Speed (Synchronous)	3600 RPM
Voltage	208-230/460V (dual-voltage wound), 60 Hz
Phase	Three-phase
Full Load Amps	137 A
Full Load Efficiency	95.0% (NEMA Premium)
NEMA Frame	444TS
Enclosure	TEFC (Totally Enclosed Fan Cooled), IP55 protection
Mounting	Rigid base (foot-mount)
Service Factor	1.25
Insulation Class	Class F
Inverter Duty	10:1 CT / 20:1 VT (inverter duty)
Hazardous Area Rating	Class I, Division 2, Groups A, B, C, D
Approximate Weight	1338 lbs

Why large-HP PE motors earn their place in Colorado's toughest installations

• NEMA Premium Efficiency — meets federal EISA/DOE 2016 regulations; qualifies for Xcel Energy rebates on large commercial retrofits (often covering 10-20% of motor cost)
• Cast-iron frame and bearing housings — outlasts rolled-steel motors in vibration-heavy applications like positive-displacement pumps, reciprocating compressors, and crushers
• Spike-resistant inverter-grade magnet wire (NEMA MG-1 Part 31) — survives VFD operation without premature winding breakdown, critical for large-HP VFD installations where replacement costs $15k-$30k+
• 1.25 service factor — headroom for voltage sag, brownouts, and intermittent overloads that plague rural Colorado utility feeds and mountain-town grids
• Class F insulation + TEFC enclosure — handles dusty aggregate environments, continuous-duty operation, and the temperature swings typical of unconditioned mechanical rooms
• IP55 ingress protection — dust-tight, protected against low-pressure water jets — reliable for outdoor pump-house installations and car-wash/food-processing duty
• Pre-installed winding RTDs (125 HP and above, standard) — temperature monitoring on every motor, no add-on cost, critical for protecting high-value assets

Typical applications for 125 HP at 3600 RPM

• Large centrifugal and positive-displacement pumps — municipal water, wastewater lift stations, chemical transfer, process cooling
• Industrial blowers and fans — cooling tower fans, dust collection systems, large air handlers
• Reciprocating and screw compressors — shop air, refrigeration plants, natural gas boost
• Crushers and mills — aggregate, mining, cement production
• Large mixers and agitators — chemical processing, food production, wastewater treatment
• Conveyor systems — aggregate, mining, bulk material handling
• Large HVAC systems — commercial chilled water pumps, cooling tower fans, industrial air handlers
• OEM equipment — industrial machinery, process equipment, pump packages

Direct replacement for these competitor motors

The PE series is a dimensional and functional equivalent to premium efficiency motors from every major manufacturer. Match the HP, RPM, frame, voltage, and shaft configuration — mounting dimensions are NEMA-standard and drop in identically:

• Baldor-Reliance — Super-E Premium, RPM AC, RPM III, and CEM/EM large-HP series
• WEG — W22 Premium, W50, Master Line, and W22 IE3/IE4 high-efficiency
• U.S. Motors (Nidec) — Unimount Premium, Titan, Corro-Duty Premium
• Marathon — Black Max, GlobeTrotter, MicroMax, and 841 Plus Premium
• Siemens — Simotics GP, SD, and XP premium efficiency
• ABB / TECO-Westinghouse — standard premium efficiency industrial lines, MAX-E3
• GE / LEROY-SOMER — LSES Premium and legacy GE 841 industrial motors

Colorado altitude considerations for large-HP continuous-duty motors

For motors 125 HP and larger, altitude derating is not optional — it's a reliability issue. Large-HP motors produce enormous heat that must dissipate through cooling air; thinner Colorado air means less heat removal capacity:

• Denver Metro / Front Range (~5,280 ft): 4-5% continuous capacity derating. For continuous-duty applications (municipal pumps, industrial blowers, chilled water pumps), size one HP step up from calculated load
• Colorado Springs area (~6,000 ft): 5-6% derating. Same sizing guidance as Denver metro
• Mountain West (7,000+ ft): 8-10% derating. Size two HP steps up; verify enclosure ventilation and consider adding a blower-cooled (TEBC) configuration for 24/7 service
• High-altitude mining (Leadville, Climax — 10,000+ ft): 12-15% derating. Consult factory; TEBC or WP2 enclosure strongly recommended

At this HP range, motor failure from altitude derating is expensive — $8k-$30k per rewind or replacement, plus days or weeks of downtime. Call (303) 939-8643 with your elevation, duty cycle, and ambient temperature details before ordering. We've sized hundreds of large motors for Colorado installations and will get it right the first time.

What Colorado Electric Motors Depot offers on every motor order

• Free sizing and cross-reference assistance — we match Baldor, WEG, US Motors, Marathon, Siemens, ABB, and GE model numbers to Worldwide PE equivalents daily
• Nameplate photo-to-quote — text or email us a photo of the failed motor's nameplate and we'll quote the replacement within the hour
• Factory-direct shipping from multiple nationwide distribution centers — most stocked units ship same-day
• LTL freight coordination — motors this size ship palletized with lift-gate service; we handle the freight logistics and tracking
• Colorado-local support — we know the Front Range inspectors, the mountain town utility quirks, the San Luis Valley agricultural market, and the Eastern Plains industrial base
• VFD pairing guidance — need a drive? Our Worldwide WDN750E VFD line is inverter-duty matched to this motor; we'll quote the package
• Installation and start-up support — phone and on-site technical support included with every motor we ship

Shipping note: Motors in this HP range ship as palletized LTL freight with lift-gate delivery. Allow 3-7 business days for delivery to most Colorado locations. Curb-side delivery; customer responsible for unloading with forklift or motor hoist.