TECO N3-401-C Three Phase AC Variable Frequency Drive

Description:

The TECO N3-401-C Three Phase AC Variable Frequency Drive is used to provide precise speed and torque control for three-phase AC motors in industrial automation and motion control systems. Commonly installed in pumps, fans, conveyors, mixers, compressors, packaging machines, and machine tools requiring reliable variable frequency motor control. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of industrial motor drive systems.

Applications:

The TECO N3-401-C is an N3 Series sensorless vector variable frequency drive engineered for demanding industrial applications. It supports both Sensorless Vector Control and V/Hz control, providing accurate speed regulation, high starting torque, and energy-efficient motor operation. The drive is widely used in manufacturing plants, HVAC systems, water and wastewater treatment facilities, material handling equipment, conveyors, pumps, compressors, and general industrial automation requiring dependable AC motor control.

Technical Specifications:

• Manufacturer: TECO Electric & Machinery Co., Ltd. / TECO-Westinghouse Motor Company
• Manufacturer Part Number (MPN): N3-401-C
• Product Type: Three Phase AC Variable Frequency Drive (VFD)
• Drive Series: N3 Series
• Motor Rating: 1 HP (0.75 kW)
• Input Voltage: 460 VAC, Three-Phase
• Input Frequency: 50/60 Hz
• Input Voltage Tolerance: +10% / -15%
• Output Voltage: 0–460 VAC, Three-Phase
• Output Frequency Range: 0–400 Hz
• Control Modes: Sensorless Vector Control and V/Hz Control
• Speed Regulation Accuracy: ±0.5% (Sensorless Vector Mode)
• Overload Capacity: 150% of rated current for 1 minute
• Braking: DC Injection Braking; Optional Dynamic Braking
• Communication: RS-232, Modbus RTU, Optional RS-485, BACnet Support
• Digital Inputs: 7 Programmable Inputs (NPN/PNP Selectable)
• Relay Outputs: 2 Programmable Relay Outputs
• Enclosure Rating: IP20 / NEMA 1 (configuration dependent)
• Operating Temperature: -10°C to +50°C (14°F to 122°F)
• Certifications: UL, cUL, CE
• Compatible Equipment: Pumps, fans, blowers, conveyors, compressors, mixers, packaging machinery, HVAC equipment, and other three-phase AC motor applications.

Common Replacements:

• TECO E510-401-C
• TECO L510-401-C
• TECO MA7200-4001-N1