Description

The IS200EDEXG1BBB from GE is a high-reliability exciter de-excitation control board designed for Mark VI turbine control systems. It rapidly discharges excitation energy during shutdowns or faults, protecting generators from overspeed and instability.

Specifications

• Part Number: IS200EDEXG1BBB

• System Compatibility: GE Mark VI control systems

• Function: Exciter de-excitation and energy dissipation

• Voltage Requirement: 24 VDC or 125 VDC (system dependent)

• Mounting Type: Rack or cabinet installation

• Operating Temperature: –30°C to +65°C

• Storage Temperature: –40°C to +85°C

• Humidity Range: 5% to 95% RH, non-condensing

• Dimensions: 166 mm × 85 mm × 35 mm

• Weight: Approximately 0.5 kg

Features

• Fast De-Excitation Response: Quickly discharges excitation current during emergency stops

• SCR-Based Design: Uses silicon-controlled rectifiers for efficient energy diversion

• System Integration: Connects seamlessly with GE Mark VI architecture

• Overspeed Protection: Prevents generator damage during fault conditions

• Compact Form Factor: Fits easily into control cabinets and tight spaces

• Robust Construction: Built for high reliability in demanding industrial environments

• Automatic Triggering: Activates de-excitation upon trip or control failure

• Enhanced Safety: Supports critical shutdown protocols for turbine systems

• Temperature Resilience: Operates across wide thermal ranges without performance loss

• Industrial Durability: Withstands humidity and vibration in harsh conditions