Product Description

Model Number Definition

• 25: Rated power = 25 HP.

• G: Series code for GV3000 AC drive platform.

• 4150: Core rating code: 41 = 380–460 VAC input; 50 = 50/60 Hz, 25 HP current rating.

• (no suffix): Standard version with built‑in keypad, NEMA 1 (IP20) enclosure.

Technical Specifications

• Rated Power: 25 HP (18.5 kW).

• Input Voltage: 380–460 VAC, 3‑phase, 50/60 Hz.

• Input Current: 30.4 A (full load).

• Input KVA: 29.5.

• Output Voltage: 0–460 VAC, 3‑phase.

• Output Frequency: 0–400 Hz.

• Enclosure: NEMA 1 (IP20), indoor panel‑mount.

• Operating Temperature: 0°C to +40°C (ambient).

• Storage Temperature: −20°C to +60°C.

• Cooling: Internal fan, side vents for airflow.

• Weight: ~6.8 kg (15 lbs).

• Certifications: UL, RoHS compliant.

Interface & Communication Configuration

• Power Terminals: L1/L2/L3 (input); U/V/W (output); DC bus (+/−).

• Control I/O: 8 digital inputs (24 VDC), 3 relay outputs (250 VAC / 5 A), 2 analog inputs (4–20 mA / 0–10 V), 2 analog outputs (0–10 V).

• Communication: RS‑232 port (behind access hatch) for keypad, HMI, or PLC connection.

• Keypad/Display: Built‑in membrane keypad with LED/LCD for local programming and monitoring.

• Pulse Tachometer: Terminals 4–9 for encoder feedback (speed regulation).

Core Functions

• PWM Motor Control: Precise speed/torque control for 3‑phase induction motors.

• V/Hz & Vector Modes: Selectable control algorithms for general or high‑performance applications.

• Overload/Short‑Circuit Protection: Integrated IGBT protection, current limiting, and fault diagnostics.

• Regenerative Braking: Supports dynamic braking via external resistor (DC bus control).

• Parameter Storage: Non‑volatile memory for drive configuration; copyable via keypad.

Application Scenarios

• Industrial Motion: Conveyors, cranes, hoists, and material handling equipment.

• Process Industry: Pumps, fans, blowers, mixers, and extruders (380–460 VAC).

• HVAC: Large commercial/industrial ventilation and air‑handling systems.

• Legacy Retrofits: Replacement/upgrade for older Reliance GV3000 drives in manufacturing plants.

• General Machinery: Machine tools, packaging equipment, and textile machinery.

Usage & Maintenance Instructions

• Installation: Mount vertically on a rigid panel; maintain 100 mm clearance on all sides for ventilation. Torque power terminals to 1.5–1.8 Nm, control terminals to 1.0–1.2 Nm.

• Wiring: Use shielded cables for control signals; separate power and control wiring by ≥150 mm to reduce EMI.

• Operation: Verify keypad display and fan operation after power‑up. Check fault codes (e.g., overcurrent, overvoltage) if issues occur.

• Maintenance: Inspect terminals quarterly for tightness/corrosion; clean air filters annually. Replace fan every 2–3 years to prevent overheating.

• Safety: Disconnect all AC/DC power before maintenance; wait 5 minutes for DC bus discharge. Do not operate with open enclosure or damaged wiring.