UMC100.3 DC, 1SAJ530000R0100: UMC100.3 DC motor controller: protection, control and fieldbus integration
The ABB UMC100.3 DC is a universal motor controller supplied from 24 V DC. ABB identifies the 1SAJ530000R0100 version with six digital inputs, four digital outputs and a PTC input. It provides motor-management functions and diagnostic information; the complete protection arrangement depends on its current-measurement and communication accessories.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| Type | UMC100.3 DC |
| Order code | 1SAJ530000R0100 |
| Control supply | 24 V DC |
| Digital inputs | 6 inputs |
| Digital outputs | 4 outputs |
| Motor voltage capability | Up to 1,000 V AC motor systems; check the selected current sensor and installation |
| Thermal input | PTC input |
| Purpose | Motor control, protection and operational diagnostics |
The table summarizes family or catalog values for identification and initial selection. Confirm the nameplate, environmental limits, standards, revision and options for the exact device before procurement or engineering approval.
Application and system selection
Use the controller as part of a coordinated motor feeder, starter or process-control scheme. Confirm the motor nameplate, starter topology, CT or current-measuring accessory, trip class, thermistor wiring and required fieldbus. Establish whether the application needs local control, PLC commands, maintenance diagnostics or additional protection inputs before selecting the accessory set.
Configuration and compatibility
UMC100.3 variants differ by supply voltage, approvals and coated or hazardous-area versions. Match the order code to cabinet power, environment and installed expansion modules. Check the fieldbus interface and device-description version against the control system, and verify that trip settings and start/stop permissions align with the protection study.
Related models and order-code references
The following designations are related catalog references, not automatic substitutes. Check each complete code, rating, connection, revision and application requirement before selecting a variant.
No additional same-series designation was identified for this representative model in the reviewed catalog rows.
Installation and commissioning
Mount and wire the UMC and its measuring accessories as shown in the ABB manual. Validate phase sequence, current scaling, motor thermal data, PTC circuit and output assignment before enabling automatic starts. Test trip, reset, local/remote selection and communication-loss behavior under controlled conditions, then archive parameter and event records.
Replacement and procurement information
For a quotation or replacement review, provide the complete designation UMC100.3 DC, 1SAJ530000R0100, the order code where applicable, serial or hardware revision, quantity, operating environment, connected equipment and required delivery date. Include a legible nameplate image and relevant wiring, loop or switchgear drawing so the exact interface and configuration can be checked.
Ask the supplier to confirm accessories, revision compatibility and any approved successor in writing. Do not select solely from a family name or product photograph. Follow the current ABB installation and safety instructions for the exact unit.
