High-performance Inverter Duty AC Motors

Marathon Blue Max® 2000

• Sizes from 40hp to 100hp
• TEBC and TEFC enclosures
• Provisions for encoder mounting
• Used in variable frequency drive applications requiring full rated torque at zero speed
• For closed or open loop (sensorless) vector control
• Cast iron "severe duty" construction

Marathon Blue Max® 2000 with Encoder

• TEBC and TEFC enclosures
• Dynapar Model HS35 shaft mounted encoder installed
• The encoder requires a 5-26 VDC power source, provides a count of 1,024 pulses per revolution (PPR) output and includes a 10 pin connector

Leeson Washguard SST

Stainless steel Washguard SST motors from Leeson are built tough, intended to withstand the most demanding washdown environments.

• Sizes up to 3/4hp
• 208-230/460 VAC 3-phase
• All exterior components of 300 Series stainless steel, including motor frame, endshield and conduit box castings
• Interior corrosion protection
• Shaft seals on both ends of TEFC motors
• Sealed bearings with internally locked shaft end bearing
• Mounting options include C-Face with base, or C-Face without base
• Meets IP55 enclosure protection

Leeson Washguard White Duck

Washguard White Duck motors from Leeson have a white epoxy finish that adds superior chemical resistance in addition to withstanding harsh washdown applications.

• The original moisture-shedding "duck" motor
• Sizes up to 1-1/2hp
• 208-230/460 VAC
• Durable USDA-approved white epoxy finish
• Stainless steel shaft, conduit box cover, nameplate, fan guard
• Mounting options include C-Face with base, and C-Face without base
• Drains for all mounting orientations
• Meets IP55 enclosure protection

Marathon SYMAX Permanent Magnet AC (PMAC)

Marathon SYMAX permanent magnet AC motors (PMAC) can only be used with a VFD, and provide a smaller footprint and higher efficiency even at lower speeds and partial loads when compared with induction motors.

• Sizes up to 10hp
• 230/460 VAC
• 6 pole, Interior Permanent Magnet (IPM) construction
• 25% to 40% efficiency improvement vs. standard induction motor
• TENV/TEFC enclosures
• Constant torque from 0 to base speed
• Lower operating temperature for higher reliability
• Superior low speed torque and excellent torque linearity
• High power density (small footprint), low weight design
• Operation with VFD only - cannot be used with an across-the-line starter

WEG S series Vector Duty

WEG S series rolled steel, premium efficiency 3-phase vector duty motors are designed specifically for VFD operation for applications requiring 1000:1 constant torque turndown ratio

• 230/460VAC, 3 phase
• 1/2hp, 3/4hp, 1hp
• 1800RPM, 6000 Max rpm
• TENV, Foot mount Double C face
• Class H insulation with Spike resistant magnet wire and Class F Rise
• Constant torque operation from 0 to base speed (1000:1) on PWM Vector Drive
• Ready for encoder mount

Toshiba EQP Global SD Series

Toshiba EQP Global SD series motors use oversized 300-series bearings to withstand the most severe environments and ensure a very long life span.

• 230/460 VAC
• Rated outputs available: ½ to 100 hp
• 1200, 1800, 3600 rpm models
• NEMA Premium Efficiency
• Oversized 300-series bearings
• Heavy-duty cast iron construction
• Class F insulation with Class B temperature rise
• Inverter duty
• TEFC or TENV enclosure
• IP55 protection
• Class I, Division 2, Groups A, B, C, D

U.S. MOTORS ACCU-Torq Series

U.S. MOTORS ACCU-Torq motors are high-performance inverter duty motors specifically designed for precision speed control. They are easily paired with any VFD and are a great value.

• 230/460 VAC
• Rated outputs available: ½ to 10 hp
• 1800 rpm
• NEMA premium efficiency
• Constant torque operation; zero to base speed on vector drives
• 5000:1 speed range
• Constant power (HP) operation to twice base speed
• Optimized for operation with variable speed drives (VFDs)
• NEMA Design A
• Class F insulation
• Continuous duty at 40°C