Gate command path
81001-451-61-R receives its switching command through the SGCT gate-driver circuit rather than from a direct controller output.
POWERFLEX 7000SGCT
Allen-Bradley 81001-451-61-R 1500 A SGCT Power Semiconductor
451-61-RSINGLE DEVICE
Product Description
Allen-Bradley 81001-451-61-R is a 1500 A symmetrical gate commutated thyristor (SGCT) listed as a PowerFlex 7000 spare part. It is the single-device catalog number for the drive power-electronics assembly, rather than a factory-matched set of two or three devices.
In the PowerFlex 7000 power stage, the 81001-451-61-R is controlled through a gate-driver circuit and its associated isolated power supply. The gate signal and diagnostic feedback use fiber-optic links between the power device area and the drive control hardware.
The 81001-451-61-R selection boundary is important when matching an existing assembly. Rockwell Automation lists separate catalog numbers for a single 1500 A SGCT, a matched pair and a matched set of three, so the required quantity and matching arrangement remain part of the complete spare-part identity.
Technical Specifications
| Technical Item | 81001-451-61-R |
|---|---|
| Brand | Allen-Bradley |
| Product Type | Power semiconductor / SGCT |
| Brand Country | United States |
| Drive Family | PowerFlex 7000 |
| Device Type | Symmetrical gate commutated thyristor |
| Current Class | 1500 A |
| Supply Scope | Single device |
| Matched Pair Catalog | 81001-451-62-R |
| Matched Set of Three Catalog | 81001-451-63-R |
SGCT Gating & Diagnostic Feedback
Fiber-optic feedback
The drive compares diagnostic feedback returned over the fiber-optic path with the commanded gating pattern.
Isolated gate power
The gate-driver board operates with its associated isolated power supply, keeping the power-device interface separated from low-voltage control circuits.
Single-Device Selection Boundary
The 81001-451-61-R catalog number identifies one 1500 A SGCT.
One device
Use this catalog identity when the service requirement calls for a single device.
Matched quantities
The pair and set-of-three arrangements have their own catalog numbers and should not be collapsed into the single-device number.
Assembly identity
Before ordering, retain the complete installed assembly context, device count and matching requirement.
Frequently Asked Questions
Does 81001-451-61-R identify one SGCT or a matched set?
It identifies one 1500 A SGCT. The matched pair and matched set of three are separate catalog numbers, so the quantity requirement must be confirmed before ordering.
Where is 81001-451-61-R used in the drive system?
It is listed in the PowerFlex 7000 spare-parts structure as a power semiconductor. Its gate-driver and isolated-power connections belong to the drive power-electronics assembly.
Why can a PowerFlex 7000 report an SGCT diagnostic fault after 81001-451-61-R service work?
The drive evaluates the commanded gating pattern against returned diagnostic feedback. Inspect the fiber-optic connections, gate-driver power and seated power connections before treating the device alone as the cause.
Can 81001-451-61-R be ordered by current rating alone?
No. The full catalog number, device count and matching arrangement distinguish the single component from the pair and three-device sets.
What should be checked around the gate-driver circuit for 81001-451-61-R?
Confirm that the associated 20 V gate-driver supply is present and that the optical and power connections are seated. Perform only the de-energized or energized checks specified for the applicable PowerFlex 7000 procedure.
Is 81001-451-61-R the same item as 81001-451-62-R?
No. 81001-451-61-R is the single device, while 81001-451-62-R denotes a matched pair. They describe different supplied quantities and matching conditions.
Moore Automation Company Profile
Moore Automation supports enquiries for current and legacy industrial automation components with complete catalog-number control.
Catalog identity retained
Quantity recorded
Condition confirmed
Export packing prepared
www.mvme.cn
Recommended Industrial Automation Products
ABBIMASI23
Allen-Bradley1734-OW4
B&RX20CP0484
Bosch RexrothHCS01.1E-W0013-A-02-B-ET-EC-NN-L3-NN-FW
FoxboroFBM228
GEIC670GBI001
HoneywellCC-PAIH01
MotorolaMVME162-212
ProSoftMVI56E-MCM
Siemens6ES7288-1CR20-0AA0
YokogawaAAB841-S53/M4A00
Bently Nevada330130-040-00-05
ABBSPASI23
Allen-Bradley1734-IE2V
B&RX20CP0484-1
Bosch RexrothHCS01.1E-W0018-A-03-B-ET-EC-NN-L3-NN-FW
FoxboroRH101SF
GEIC670GBI002
HoneywellCC-PDIL01
MotorolaMVME162-520
ProSoftILX56-PBM
Siemens6ES7288-1CR30-0AA0
YokogawaAAI543-S50/K4A00
Bently Nevada330130-046-00-06
ABBSPDSI22
Allen-Bradley1734-IE8C
B&RX20CP0483
Bosch RexrothHCS01.1E-W0028-A-03-B-ET-EC-NN-L3-NN-FW
FoxboroP0922QS
GEIC670GBI102
HoneywellCC-TCNT01
MotorolaMVME147-011
ProSoftPLX31-EIP-MBS
Siemens6ES7288-1CR40-0AA0
YokogawaADV169-PK0
Bently Nevada330130-080-13-05
ABBNTDI01
Allen-Bradley1734-IB8
B&RX20CP0482
Bosch RexrothHCS01.1E-W0054-A-03-B-ET-EC-NN-L3-NN-FW
FoxboroFBM242
GEIC670PBI001
HoneywellCC-TUIO31
MotorolaMVME147-013
ProSoftPLX51-PBS
Siemens6ES7288-1CR60-0AA0
YokogawaAAI143-S53/K4A00
Bently Nevada330130-085-03-05
ABBSPBRC410
Allen-Bradley1734-TBS
B&RX20DI9372
Bosch RexrothHCS02.1E-W0012-A-03-NNNN
FoxboroRH916TA
GEIC670FBI001
Honeywell8C-PCNT03
MotorolaMVME5500-0161
ProSoftMVI56E-MNETC
Siemens6ES7288-2DE08-0AA0
YokogawaAAV141-S53/K4A00
Bently Nevada3500/05-01-01-00-00-01
No related record found