DS200PCCAG6A: The G6 Group of the Power Connect Card Family

Like the G5 group, specialized suppliers describe the G6 as a version of the PCCA without an attenuation string and without on-board snubber circuits — voltage-damping components that other versions of the family carry. We haven't confirmed this point independently against a GE manual; it's specialized-supplier reference, not an official spec we can guarantee. In practice, this reinforces the general rule for the PCCA family: different groups (G1, G2, G5, G6, G7...) have real electrical differences, and are not a single product disguised under several codes.

Function Within the Power Converter

The PCCA interfaces between the firing command from the control electronics and the thyristor (SCR) bridge, typically through pulse transformers. It sits inside the cabinet of the power converter tied to the turbine train (often the generator's static exciter), not in the Mark V's R/S/T/P logic rack where TCQA, TCQC, and TCEA reside.

Before Replacing Over a Voltage Spike

If the reported symptom is overvoltage or a spike on the DC bus, it's worth investigating before assuming the G6 PCCA is at fault:

• Confirm whether the absence of a snubber is the normal configuration for the G6 group in your application — if so, the damping may be located elsewhere in the converter, off the board.
• Check the thyristors themselves and the firing cabling before blaming the interface board.
• Verify the position of jumpers JP1/JP2/WP3/WP4 against the board being removed.
• Inspect the power supply feeding the power assembly.

Reading the Part Number

DS200PCCAG6A is the base reference (DS200 family, PCCA function, G6 group); DS200PCCAG6ACB is the full revision stamped on the physical label. Always provide the complete code when requesting a quote — and send a photo of the label when possible.

This Unit

New surplus, no original box (open box), cleaned and tested, with a 1-year warranty.

What to Send With Your Quote

• Full part number with revision suffix
• Turbine and converter/drive where the board operates
• Mark V Simplex or TMR
• Quantity and urgency of the outage

Request a quote through Request a Quote — response within 24 hours, worldwide DDP dispatch, purchase orders accepted.

• GE Speedtronic part number decoder
• GE Mark V DS200 collection