GE 531X300CCHAAFM5

Technical Parameters

• Product Type: DC link choke / filter board assembly

• Inductance: 0.8 – 1.8 mH (matched to drive HP rating)

• Capacitance: 1500 – 2600 µF (enhanced – AFM5 specific)

• Current rating: 250 – 450 A continuous (forced-air cooled)

• Voltage rating: 900 VDC

• Bleeder resistors: Two 15 kΩ / 75 W

• Thermal protection: 130°C normally-closed thermal switch

• Terminal type: Heavy-duty bus-bar terminals (DC+ / DC-)

• Conformal coating: Marine-grade (moisture and corrosion resistant) – AFM5 specific

• Mounting: 4× M6 holes (standard GE rack footprint)

• Operating temperature: -20°C to 70°C (extended)

• LED indicators: Power, Fault (if equipped)

Advantages & Features

• Enhanced capacitance – 2600 µF max on GE 531X300CCHAAFM5 provides better transient ride-through during input power dips

• Superior ripple attenuation – Toroidal choke design on GE 531X300CCHAAFM5 extends IGBT life by reducing switching transients

• Improved thermal management – Enhanced heat dissipation on GE 531X300CCHAAFM5 for reliable operation at high loads

• Marine-grade conformal coating – Protects GE 531X300CCHAAFM5 from humidity, salt spray, and corrosive gases

• Extended temperature range – -20°C to 70°C for harsh environments

• Drop-in replacement – Direct replacement for earlier CCH revisions (ASM, AFM, etc.)

Application Cases

• Steel rolling mill – Used GE 531X300CCHAAFM5 in 600 HP AC-300 drive; enhanced capacitance eliminated nuisance overvoltage trips during regenerative braking

• Offshore platform – Corrosive environment used GE 531X300CCHAAFM5; conformal coating prevented salt spray damage; extended temperature range ensured reliable operation

• Water treatment – Used GE 531X300CCHAAFM5 to meet IEEE 519 harmonic compliance without external filters

Competitive Comparison

Selection Suggestions

• Choose GE 531X300CCHAAFM5 for applications requiring enhanced capacitance (regenerative drives, frequent braking) and harsh environment protection

• Verify drive frame size (Frame 6, 7, or 8) before ordering GE 531X300CCHAAFM5

• Confirm regulator board compatibility – works with 531X111, 531X139, and 531X305 series

• For corrosive environments, AFM5’s conformal coating is essential

• Prefer remanufactured units with new capacitors, chokes tested, and coating intact

Precautions

• Always discharge the DC bus (wait 5+ minutes) before handling GE 531X300CCHAAFM5 – capacitors store lethal energy

• Do not operate without forced airflow – thermal damage will occur

• Torque bus-bar bolts to 8–10 N·m – over-tightening cracks the PCB

• Check IGBT modules for shorts before installing a replacement GE 531X300CCHAAFM5 – the choke often fails due to downstream faults, not age

• Inspect conformal coating for scratches or cracks before installation – damaged coating exposes the PCB to corrosion

• Replace all film capacitors if the board has been in storage > 5 years

• Store spare boards in ESD-safe packaging