Product Description

Model Number Interpretation

• 2: Standard industrial drive series

• GU: GP‑2000 series, 460 VAC voltage class

• 41015: 4 = 460 VAC; 1015 = 15 HP; 15 = hardware revision

Technical Specifications

• Motor Power: 15 HP (11 kW), 16.7 kVA

• Input Voltage: 460 VAC ±10%, three‑phase, 50/60 Hz

• Output Voltage: 0–460 VAC, three‑phase

• Output Frequency: 0–400 Hz

• Rated Input Current: 25.4 A (max)

• Rated Output Current: 21 A (continuous)

• Control Mode: Open‑loop V/F (volts‑per‑hertz)

• Protection: Overcurrent, overvoltage, undervoltage, overtemperature, short‑circuit, ground fault

• Enclosure: NEMA 1 (indoor, general purpose)

• Operating Temperature: 0 °C to +45 °C

• Dimensions (H×W×D): Approx. 550 × 250 × 300 mm (estimate, larger frame)

• Weight: Approx. 20.9 kg (46.0 lbs)

Interface and Communication Configuration

• Power terminals: Three‑phase main input, motor output, DC bus braking connection

• Control terminals: ±10 V analog input (speed reference), 24 VDC digital I/O (start/stop, fault reset, jog)

• Communication: Reliance proprietary protocol; no standard fieldbus ports

• Operator interface: Onboard keypad + 7‑segment display for parameter setup and fault codes

• Encoder interface: None; open‑loop V/F only

Core Functions

• Stable V/F speed regulation for 15 HP three‑phase AC motors

• Energy savings for variable‑torque loads (fans, pumps)

• Supports external braking resistors for fast deceleration

• Real‑time monitoring and fault code logging for quick diagnostics

• Adjustable accel/decel times, current limit, and I/O logic via local keypad

Application Scenarios

• Conveyors, packaging machines, assembly lines (light manufacturing)

• Medium‑sized fans, pumps, agitators (HVAC, process industries)

• 15 HP AC motor‑driven material handling and lifting equipment

• Direct replacement for legacy GP‑2000 series drives in old automation systems

Usage and Maintenance Instructions

• Mount in a well‑ventilated cabinet; maintain ≥50 mm clearance around unit for cooling

• Use shielded cables for power and control wiring; torque all terminals to specs

• Verify input voltage before power‑up; energize control circuit first, then main power

• Set parameters per motor nameplate (voltage, current, base frequency)

• Quarterly: Inspect connections, clean internal dust, check for overheating

• Before service: Disconnect all power; wait 5 minutes for DC bus capacitors to discharge fully