Configured for high-voltage switching control in Medium Voltage Variable Frequency Drive systems, the Allen-Bradley 80026-044-02 (80026-044-02 IGCT Control Board) provides direct physical/electrical execution. The circuit board assembly interfaces directly with the main gating architecture to manage solid-state power semiconductor firing loops across 2300 V, 3300 V, and 4160 V drive power structures.
Hardware Specifications
Parameter
Specification
Model
80026-044-02
Brand
Allen-Bradley
Origin
USA
Weight
7.00 lbs
Dimensions
Standard Power Chassis Rack-Mount Board
Operating Temp
0 to 50 deg C
Power Consumption
System Backplane / Gating Power Supply Derived
Voltage Ratings
2300 V / 3300 V / 4160 V AC Class Systems
Hardware Type
IGCT Driver / Gate Control Circuit Board Assembly
System Platform
PowerFlex 7000 / MV Drive Framework
Backplane Bus Communication Velocity and Firmware Integration
The 80026-044-02 assembly utilizes high-speed deterministic pulse distribution networks to ensure sub-microsecond synchronization between the central drive controller and the IGCT power modules. Backplane bus communication velocity allows immediate fault telemetry feedback, while firmware flash compatibility maintains consistent gating pulse integrity and precise signal propagation timing under dynamic I/O density scaling across high-power inverter phases.
Frequently Asked Questions
Q: What voltage classes is the 80026-044-02 control board designed to support?
A: The board assembly is rated for integration into 2300 V, 3300 V, and 4160 V power structures within medium-voltage drive chassis topologies.
Q: Are there hot-swap capabilities for the 80026-044-02 PC board during operation?
A: No. Replacing or servicing the IGCT control board requires complete power isolation and full discharge of all DC-bus energy storage elements prior to physical intervention.
Q: How does the board interface with the power semiconductors?
A: The board utilizes dedicated high-voltage isolated gate drive firing channels to deliver precise turn-on/turn-off pulse sequences directly to the Integrated Gate-Commutated Thyristor (IGCT) assemblies.
Field Installation Guidelines
Ensure the host drive unit is completely disconnected from main AC power feeds, locked out/tagged out, and all DC-bus capacitors are verified fully discharged.
Align the circuit card with the designated chassis mounting rails, ensuring electrostatic discharge (ESD) protection measures are maintained.
Torque all structural retaining hardware to specified enclosure standards to maintain chassis ground continuity.
Verify fiber-optic and electrical harness connectors are fully seated and free of bend-radius stress before applying control power.
