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SET CONFIGURATION
3 × SGCT
Matched set of three semiconductor switching devices.
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CURRENT CLASS
1500 A
Matched high-current SGCT configuration.
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APPLICATION FAMILY
PowerFlex
Replacement component for high-power Allen-Bradley drive equipment.
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High-current SGCT replacement configuration
Allen-Bradley 81001-451-83-R is a replacement part specified as a matched set of three SGCT devices rated at 1500 A. It is associated with PowerFlex drive power-conversion equipment and is supplied as a coordinated three-device set.
The matched-set configuration is important during replacement because the product designation represents the complete three-device set rather than a single SGCT.
The 81001-451-83-R designation is also associated with the replacement path for 81001-451-63-R. This makes the part particularly relevant when maintaining older PowerFlex installations where the earlier matched-set designation is encountered.
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KEY IDENTIFIERS
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01
Matched SGCT Set
The 81001-451-83-R is defined as a three-device matched SGCT set, making set-level identification important when planning a replacement.
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02
High-Current Power Stage
The 1500 A rating places the assembly in a high-current power-conversion category intended for demanding drive applications.
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03
Replacement Continuity
The part is associated with the replacement path for the earlier 81001-451-63-R matched set, helping maintenance teams retain continuity when servicing legacy equipment.
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| Part Number | 81001-451-83-R |
| Manufacturer | Allen-Bradley |
| Component Type | SGCT thyristor replacement set |
| Set Configuration | Matched set of three |
| Current Rating | 1500 A |
| Drive Association | PowerFlex drive power-conversion equipment |
| Replacement Relationship | 81001-451-83-R replaces 81001-451-63-R |
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THREE-DEVICE CONFIGURATION
81001-451-83-R
Matched set of three SGCT devices, 1500 A.
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TWO-DEVICE CONFIGURATION
81001-451-82-R
A related 1500 A SGCT matched-set designation with two devices. Selection depends on the specific converter configuration rather than simply choosing by current rating.
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Drive power-stage replacement
The component is suited to replacement planning where the installed PowerFlex power stage requires a matched SGCT set. Maintaining the complete set designation helps avoid ordering a single device when the application requires three matched devices.
Legacy equipment support
It is particularly relevant when maintaining older equipment associated with the 81001-451-63-R designation, for which 81001-451-83-R is identified as the replacement.
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Before condemning the SGCT set
Check the installed device position, electrical condition, gate path and associated connections according to the applicable drive service procedure. A failed indication should not automatically be treated as proof that every power-stage component requires replacement.
Replacement control
Confirm the exact part number and the required matched-set quantity before purchase. Record the incoming part number with the equipment maintenance record after installation.
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SALES MANAGER
Miya zheng
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EMAIL · sales@amikon.cn | PHONE / WHATSAPP 86-18020776792 |
| Delivery 3–5 days |
Warranty 12 months |
Packaging Brand New |
Payment T/T |
| Delivery way: E-packing / FedEx / EMS / TNT / DHL / UPS | |||
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Can 81001-451-83-R be ordered as one individual SGCT?
The 81001-451-83-R designation represents a matched set of three SGCT devices. It should therefore be quoted and checked as a complete three-device set rather than treated as a single loose SGCT.
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Is 81001-451-83-R the replacement for 81001-451-63-R?
Yes. The 81001-451-83-R designation is published as the replacement for the earlier 81001-451-63-R matched three-device SGCT set. When replacing the earlier part, the complete part-number relationship should be confirmed before the order is released.
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Why should I confirm the exact drive configuration before buying 81001-451-83-R?
The part belongs to a high-current PowerFlex drive power-conversion application, while the 81001-451 family contains different device-count and current configurations. Confirming the installed equipment prevents selecting a visually similar but differently configured power-stage component.
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What should I check when 81001-451-83-R is being purchased for a failed power stage?
Confirm the complete part number, three-device matched-set requirement and the installed drive configuration. Before replacing the set, the associated power-stage connections, gate path and device position should also be checked according to the applicable service procedure.
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Can 81001-451-83-R be compared directly with the 1500 A two-device 81001-451-82-R?
Both designations are associated with 1500 A SGCT matched-set configurations, but their set quantities differ. 81001-451-83-R is a three-device set, while 81001-451-82-R is a two-device set. The installed converter configuration must determine which arrangement is required.
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7-Day Notice
Please contact us within 7 days after receiving the items if you have any questions.
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Original Condition
Returned items must remain in their original condition.
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Return Reason
A specific reason for the return should be provided with the request.
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Replacement / Refund
After the returned item is received, an applicable return or replacement arrangement will be processed.
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