0-48680-521
May 21, 2026

0-48680-521

Part Number: 0-48680-521 Manufacturer: Reliance Electric / Rockwell Automation Product Type: Gate Drive Interface Board / Power Interface PCB Application: Reliance GP2000 series AC drives (460VAC / 575VAC), signal conditioning & power interface for IGBT gate drives Status: Obsolete / legacy (new surplus or repaired units available)

Description

General Information

  • Part Number: 0-48680-521

  • Manufacturer: Reliance Electric / Rockwell Automation

  • Product Type: Gate Drive Interface Board / Power Interface PCB

  • Application: Reliance GP2000 series AC drives (460VAC / 575VAC), signal conditioning & power interface for IGBT gate drives

  • Status: Obsolete / legacy (new surplus or repaired units available)

Electrical Specifications

  • Input Voltage: 24VDC (control power) + 460/575VAC (power stage)

  • Function: Isolates, amplifies and routes gate drive signals from control board to power semiconductors; provides power loop interfacing

  • Key Components: High‑speed optocouplers, gate drive transformers, power resistors, filtering capacitors, transient voltage suppressors

  • Signal Isolation: 2500Vrms (control-to-power section)

  • Gate Drive Output: ±15V / 2A peak per channel

  • Protection: Overcurrent latch, shoot‑through prevention, fault monitoring signals to CPU

Mechanical Specifications

  • Form Factor: Plug‑in industrial PCB (card‑type), standard GP2000 slot profile

  • Dimensions (W×H×D): approx. 220 mm × 120 mm × 30 mm

  • Weight: approx. 0.68 kg (1.5 lb)

  • Construction: FR‑4 PCB, conformal coated, through‑hole components

  • Mounting: Slot‑mounted in GP2000 drive cabinet, edge‑connector interface to backplane

Environmental Ratings

  • Operating Temperature: 0 °C to +55 °C

  • Storage Temperature: −40 °C to +70 °C

  • Humidity: 5%–95% RH, non‑condensing

  • Vibration: 1 g (10–100 Hz), industrial grade

Key Features

  • Dedicated IGBT gate drive interface for GP2000 series power stages

  • Electrical isolation between low‑voltage control and high‑voltage power sections

  • Optimized gate drive waveforms for reduced switching losses

  • Fault detection & reporting to main control board

  • Direct OEM replacement for Reliance GP2000 drives

  • Repairable with 2‑year warranty

Compatibility

  • Fits: Reliance Electric GP2000 series 460VAC / 575VAC AC drives

  • Family: 0‑48680 series (521 = gate drive interface; 101/109 = control CPU; 211 = power supply; 514 = snubber)


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