Model Definition

• 0-55333: Base part number (Inv Base Driver Board)

• Common Variant: 0-55333-1 (most common, standard revision)

• Alternative IDs: 055333, O-55333, 0-55333-1

• Status: Discontinued; no direct OEM replacement

• Cross-Reference: Exact part match required; no drop-in equivalent

• Family Note: 0-55333-x = Inverter Base Driver (interfaces main control to IGBTs).

Technical Specifications

• Form Factor: 3U PCB (≈248 × 171 mm)

• Weight: ~0.55 kg

• Logic Power: ±15 VDC, +5 VDC (from control board)

• Power Interface: 230/460/575 VAC, 50/60 Hz

• Gate Output: 0–15 VDC / 20 mA (per channel, IGBT drive)

• Protections: Overcurrent, short-circuit, thermal, gate fault

• Operating Temp: 0 °C to +55 °C

• Mounting: 3U rack, goldfinger edge connector (backplane).

Interfaces & Communication

• Backplane: 3U edge connector (power + control signals)

• Control Board Link: Flat cable to 0-55329-7 (main regulator)

• IGBT Power Stack: Screw terminals for gate/emitter connections

• Diagnostics: Multi-LED array (Power, Drive, Fault)

• No Network: Hardwired only.

Key Features

1. Base Inverter Drive: Core gating for GV3000/VVI IGBT power stages

2. Signal Buffering: Isolates and amplifies control signals to IGBT gates

3. Fault Sensing: Monitors IGBT health and reports to main control

4. 3U Rack Compatibility: Interchangeable in GV3000/VVI 3U enclosures

5. Family Interoperability: Works with 0-55325-x (gate drivers) and 0-55329-x (control).

Application

• Drive Systems: Reliance GV3000 (25–150 HP), VVI (100–200 HP) AC drives

• Voltage Classes: 460 VAC (standard), 575 VAC (heavy-duty)

• Industries: Conveyors, crushers, extruders, pumps, fans, material handling

• Function: IGBT gate drive interface between main control and power semiconductors.

Compatibility

• Compatible Drives: GV3000 (25–150 HP), VVI (100–200 HP)

• Rack: Standard 3U GV3000/VVI drive rack

• Peripherals: 0-55325-x gate drivers, 0-55329-7 main control board.