Reliance 30V4260 (GV3000/SE VTAC7)
May 28, 2026

Reliance 30V4260 (GV3000/SE VTAC7)

The 30V4260 is a 30 HP (22.4 kW), 460 VAC, three-phase HVAC-optimized AC drive from Reliance Electric’s GV3000/SE VTAC7 series (now part of Rockwell Automation). It is designed for fan, pump, and light industrial applications, supporting V/Hz, SVC sensorless vector, and FVC closed-loop vector control. The original unit is discontinued; refurbished units are widely used for maintenance and replacement of legacy HVAC and automation systems.

Description

Product Description

The 30V4260 is a 30 HP (22.4 kW), 460 VAC, three-phase HVAC-optimized AC drive from Reliance Electric’s GV3000/SE VTAC7 series (now part of Rockwell Automation). It is designed for fan, pump, and light industrial applications, supporting V/Hz, SVC sensorless vector, and FVC closed-loop vector control. The original unit is discontinued; refurbished units are widely used for maintenance and replacement of legacy HVAC and automation systems.

Model Number Interpretation

  • 30: Rated power of 30 horsepower.

  • V: VTAC7 series, HVAC-optimized AC drive.

  • 4: 460 VAC input voltage class.

  • 260: Firmware and hardware configuration code.

Technical Specifications

  • Input: Three-phase 380–460 VAC (±10%), 50/60 Hz, 44 A.

  • Rating: 30 HP (22.4 kW); continuous output current of 39 A.

  • Output: Three-phase 0–460 VAC, 0–200 Hz, 39 A.

  • Control: IGBT PWM with 2/4/8 kHz adjustable carrier frequency.

  • Control Modes: V/Hz (default), SVC sensorless vector, FVC closed-loop vector (requires encoder).

  • Feedback: ±10 V / 4–20 mA analog; encoder (for FVC).

  • Enclosure: NEMA 12 (dust and dripping resistant).

  • Cooling: Forced-air cooling fan.

  • Dimensions (H×W×D): Approximately 597 × 356 × 356 mm.

  • Weight: Approximately 25.4 kg (55 lbs).

  • Certifications: UL 508, legacy CE.

  • Overload Capacity: 110% continuous, 150% for 1 minute.

  • Protection: Overcurrent, overvoltage, undervoltage, overtemperature, phase loss, ground fault, motor overload.

Interface and Communication Configuration

  • Main Circuit Terminals: L1/L2/L3 (AC input), U/V/W (motor output), DC bus terminals.

  • Control Terminals: 8 isolated digital inputs (start/stop, forward/reverse, reset, preset speeds), 4 digital outputs, ±10 V/4–20 mA analog I/O.

  • Communication: RS232/485 serial ports; optional DeviceNet/ControlNet communication modules.

  • Front Panel: Built-in keypad and LED display for speed, current, voltage, and fault code monitoring; supports manual/auto mode, jog operation, and parameter programming.

  • Software: Compatible with CS3000 software for remote programming and monitoring.

Core Functions

  • HVAC Optimization: Energy-efficient V/Hz control for fans and pumps, with reduced noise via adjustable carrier frequency.

  • Vector Control: High torque at low speeds and precise speed regulation (FVC: ±0.01% with encoder).

  • Flexible Regulation: Switchable between vector and standard V/Hz regulation to adapt to different load characteristics.

  • Comprehensive Protection: Built-in protection mechanisms to ensure safe operation under abnormal conditions.

  • Parameter Management: Password protection and parameter backup/restore functions for easy maintenance.

Application Scenarios

  • HVAC Systems: Supply/exhaust fans, chilled water pumps, cooling towers.

  • Light Industrial: Conveyors, mixers, packaging machinery.

  • Legacy System Replacement: Direct replacement for outdated GV3000/SE series drives in 460 VAC, 30 HP motor automation lines.

Usage and Maintenance Instructions

  • Installation: Mount in a well-ventilated cabinet with sufficient space for heat dissipation; avoid direct sunlight and corrosive environments.

  • Wiring: Select appropriate cables for main and control circuits; tighten all terminals securely to prevent loose connections.

  • Power-On Check: Verify input voltage and wiring integrity before powering on; set parameters according to the motor nameplate data.

  • Regular Maintenance: Conduct quarterly maintenance to clean dust, inspect the cooling fan, terminals, and indicator lights.

  • Safety Precaution: Disconnect all power sources and wait for internal capacitors to fully discharge before inspection and maintenance.


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