Worldwide WDN750E VFD - 2 HP, 230V Single-Phase Input, Sensorless Vector | Model WDN750E-015SF

The Worldwide Electric WDN750E-series 2 HP variable frequency drive (model WDN750E-015SF) delivers high-performance sensorless vector speed control in a compact, UL-listed chassis. Configured for 230V single-phase input (operates on standard residential/light-commercial service), 230V three-phase output to drive your motor, it's purpose-built for pumps, fans, conveyors, HVAC equipment, and general-purpose motor control in industrial and commercial installations across Colorado and the Rocky Mountain region.

Ratings at a glance

Why choose the WDN750E-015SF for your application

• 200% starting torque at 1 Hz (sensorless vector mode) — handles loaded starts on stuck pumps, heavy conveyors, and cold-morning HVAC equipment without stalling
• Permanent magnet (PM) motor ready — future-proofs your install as high-efficiency PM motors become the standard in Colorado upgrades and retrofits
• Built-in Modbus RTU and built-in PID loop control — automation-ready out of the box, no add-on cards required
• UL 61800 listed — passes commercial and industrial inspection requirements in Colorado, Wyoming, New Mexico, and Utah
• Temperature-controlled fan with runtime monitoring — fan runs only when needed, reducing dust accumulation in aggregate, agricultural, and Front Range industrial environments where airborne particulate is a constant threat to drive reliability
• Independent forward/reverse torque boost — optimizes performance on bidirectional loads like gates, hoists, and reversing conveyors

Physical specifications

• Model: WDN750E-015SF
• Dimensions (H × W × D): 5 x 4.3 x 6.6 in
• Approximate weight: 2.2 lbs
• Enclosure: IP20 — suitable for indoor installation, NEMA 1 enclosed panels, or dust-free electrical rooms
• For outdoor/rugged installation, ask about the WCD Series NEMA 3R packaged version of this drive

Standard features on every WDN750E

• Output frequency range: 0.01 – 400 Hz
• Starting torque: 100% at 3 Hz (V/f mode) or 200% at 1 Hz (sensorless vector mode)
• Six (6) digital inputs, two (2) analog inputs (0-10 VDC or 4-20 mA)
• Two (2) relay outputs and two (2) open-collector outputs
• Analog output (0-10 VDC or 4-20 mA) for feedback to PLCs and DDC systems
• 24V terminal output (100 mA max) for sensor and PLC-interface power
• Local keypad with user display; remote LCD keypad kits and panel-mount flange kits available
• Built-in EMC filter on 7.5 – 30 HP units — meets industrial EMI compliance without an external filter
• Optional communication cards: EtherNet/IP, Modbus TCP/IP, CC-Link, PROFIBUS-DP, DeviceNet, and rotary encoder feedback

Colorado altitude sizing considerations

VFDs are less altitude-sensitive than motors, but derating still applies at Colorado elevations. The WDN750E is rated for full output up to 1,000 m (3,280 ft). Above that, plan on roughly 1% current derating per 100 m. In practical terms:

• Denver/Front Range (~5,280 ft): consider sizing one HP step up from your motor nameplate
• Colorado Springs to Fort Collins (~5,000-6,000 ft): same — one step up is typical
• Mountain installations (Leadville, Summit County, Aspen, above 8,000 ft): may need two HP steps up, plus consider enclosure ventilation

Not sure how to size for your location? Call (303) 939-8643 — we size drives for Colorado altitudes daily and will get it right the first time.

Typical applications

• Centrifugal pumps in HVAC, water/wastewater, and irrigation systems
• Conveyors and bulk material handling
• Mixers, agitators, and industrial blowers
• Compressors and general-purpose machine tools
• Retrofits of across-the-line motor starters to capture energy savings
• Replacement for Baldor, ABB ACS drives, Allen-Bradley PowerFlex 4/40, Yaskawa V1000/GA500, Hitachi WJ200/WJ-C1, and similar general-purpose drives

Already have a 2 HP drive? Here are your alternatives in our catalog

The WDN750E is our cost-effective choice at this HP and voltage, but we also stock these comparable drives if you need a specific brand:

• Galt — Galt Electric G200 VFD - 2 HP, 240V, Single Phase Input, 3 Phase Output (2 HP, 240V) — $480.90
• Galt — Galt Electric G200 VFD - 2 HP, 240V, Single Phase Input, 3 Phase Output (2 HP, 240V) — $250.59
• Invertek — Invertek Optidrive E3 Single Phase VFD - 1.5 HP, 230V Input (1.5 HP, 230V) — $510.99

Not sure which to pick? Call (303) 939-8643 and we'll help you match the right drive to your application, motor, and budget.

What Colorado Electric Motors Depot offers

• Free VFD sizing assistance — call us with your motor nameplate and load type; we'll confirm fit and altitude sizing in minutes
• Same-day shipping on stocked units from multiple nationwide distribution centers
• Colorado-local support — based in the Denver metro, we know the installations, the inspectors, and the environment
• Full accessory availability — remote LCD keypads, keypad cables, 3×22mm operator stations, flange-mount kits, and CBOX conduit connection boxes

Configuration assistance, warranty, and installation support are included with every Worldwide Electric drive we sell.