GE 531X300CCHAAM5

Technical Parameters

• Product Type: DC link choke / filter board assembly

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

• Capacitance: 1200 – 2200 µF (standard)

• 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) – AAM5 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

• Superior ripple attenuation – Toroidal choke design on GE 531X300CCHAAM5 extends IGBT life by reducing switching transients

• Standard capacitance – 2200 µF on GE 531X300CCHAAM5 provides adequate filtering for most applications

• Marine-grade conformal coating – Protects GE 531X300CCHAAM5 from humidity, salt spray, and corrosive gases

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

• Built-in thermal protection – 130°C thermal switch on GE 531X300CCHAAM5 communicates with drive logic for graceful shutdown

• Drop-in replacement – Direct replacement for earlier CCH revisions

Application Cases

• Steel rolling mill – Used GE 531X300CCHAAM5 in 500 HP DC-300 drive; standard capacitance provided adequate filtering for continuous rolling operation

• Offshore platform – Corrosive environment used GE 531X300CCHAAM5; conformal coating prevented salt spray damage

• Water treatment – Used GE 531X300CCHAAM5 for pump control; extended temperature range ensured reliable operation in outdoor enclosures

Competitive Comparison

Selection Suggestions

• Choose GE 531X300CCHAAM5 for standard applications (non-regenerative, moderate braking) with harsh environment protection

• Verify drive frame size (Frame 6, 7, or 8) before ordering GE 531X300CCHAAM5

• For applications requiring higher capacitance (heavy regenerative braking), consider the AFM5 revision instead

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

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

Precautions

• Always discharge the DC bus (wait 5+ minutes) before handling GE 531X300CCHAAM5 – 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 531X300CCHAAM5 – the choke often fails due to downstream faults

• 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