VFAS3-4110KPC 150 HP Drive | Toshiba AS3 Series

The Toshiba VFAS3-4110KPC is a formidable high-performance AC drive from the AS3 series, engineered for heavy industrial applications demanding robust power and precision. This 150 HP, 460V open-frame drive delivers superior control with multiple modes and advanced connectivity, built to handle the most challenging motor control environments.

Core Technical Specifications

• Brand & Model: Toshiba VFAS3-4110KPC
• Series: AS3 Series High-Performance Drive
• Rated Power: 150 HP
• Supply Voltage: 3-Phase, 460 VAC Input & Output
• Current Rating: 211 A (Constant Torque), 250 A (Variable Torque)
• Frame Size: A6
• Enclosure: Open Frame (IP00) – requires installation in a protective industrial cabinet.

Advanced Control & Performance

• Control Modes: V/Hz, Sensorless Flux Vector Control (FOC), Encoderless/Encoder Torque Control for precise operation.
• Frequency Range: 0.1 Hz to 590 Hz output, enabling very low-speed control and high-speed operation.
• Carrier Frequency: Adjustable from 1 to 8 kHz for optimized motor performance and noise management.
• Dynamic Braking: External dynamic braking unit and resistor required to handle regenerative energy.
• Safe Torque Off (STO): Integrated safety function to prevent unintended motor start, compliant with safety standards.
• Integrated Features: Built-in DC reactor and EMC filter for improved power quality and reduced interference.

Communication & Connectivity

• Network Ports: Dual 10/100 Mbps Ethernet (RJ45) ports and one RS-485 (RJ45) port.
• Supported Protocols: EtherNet/IP, Modbus TCP, Modbus RTU, and a built-in web server (HTTP) for remote access.
• Expansion Capability: Optional cards available for EtherCAT, encoder feedback, and additional I/O points.

I/O & System Integration

• Analog Inputs: 3 channels (0-20 mA / 4-20 mA, ±10 VDC).
• Analog Outputs: 2 channels (0-20 mA, 0-10 VDC).
• Digital Inputs: 8 programmable inputs, 24 VDC sinking/sourcing.
• Digital Outputs: 3 relay outputs (1 Form C, 2 Form A).

Physical & Environmental Data

• Operating Temperature: -15°C to +50°C (5°F to 122°F).
• Mounting: Designed for panel or wall mounting inside a suitable protective enclosure.
• Motor Compatibility: 3-phase induction and permanent magnet AC motors.
• Certifications: Complies with UL, CSA, CE, and RoHS standards.

Frequently Asked Questions (FAQ)

What applications is this 150 HP drive best suited for?

It is ideal for heavy-duty applications such as large pumps, high-power fans, extruders, crushers, conveyors, and test stands in industries like water/wastewater, mining, plastics, and metals processing.

Why does it have an open frame (IP00) enclosure?

High-power drives are often supplied as open-frame units to allow custom installation in industrial control cabinets. This provides the flexibility to integrate cooling, safety disconnects, and other components as required by the specific application and local electrical codes.

What is needed for the dynamic braking function?

An external dynamic braking unit (chopper) and a properly sized braking resistor are required. These components are not included and must be selected based on the motor's inertia and the application's deceleration requirements to dissipate regenerative energy safely.

What are the benefits of the built-in DC reactor?

The DC reactor reduces input current harmonics, improves the drive's input power factor, and provides protection against power line disturbances, leading to a more stable and efficient power system.

Can this drive be part of a networked automation system?

Yes. Its dual Ethernet ports support daisy-chaining and integration into plant-wide EtherNet/IP or Modbus TCP networks, allowing for centralized monitoring, data collection, and control from a SCADA or PLC system.