Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Product model | 1SAJ520000R0101 |
| Manufacturer | ABB |
| Product designation | UMC100-FBP.0 |
| Product category | Universal motor controller and protection device |
| Application | Three-phase AC motor management |
| Adjustable motor-current range | 0.24–63 A |
| Control supply voltage | 24 V DC |
| Digital inputs | 6 |
| Relay outputs | 3 |
| Auxiliary 24 V DC output | 1 |
| Communication interface | FieldBusPlug (FBP); protocol depends on the connected interface |
| Expandability | Compatible expansion modules, subject to configuration |
| Mounting | DIN rail |
| Protection rating | IP20 |
| Operating temperature | 0 to +60°C |
| Storage temperature | −20 to +70°C |
| Dimensions | Approximately 70 × 105 × 87.5 mm |
| Net weight | Approximately 0.36 kg |
Specifications are based on ABB product information and technical documentation. Confirm the exact hardware index and application requirements before replacing an installed controller.
Product Overview
The ABB 1SAJ520000R0101 is the UMC100-FBP.0 universal motor controller, designed to combine motor protection and control in a compact device for industrial motor-management applications. It monitors motor operating conditions and supports control functions used in motor starters, helping reduce the need for separate protection and control components.
The controller supports adjustable motor-current settings from 0.24 to 63 A. Correct configuration requires the motor nameplate data, starter arrangement, and application requirements to be checked before commissioning. The setting range alone does not establish suitability for every motor or starter configuration; coordination with the upstream protective device and switching equipment remains necessary.

1SAJ520000R0101
The 1SAJ520000R0101 includes six digital inputs, three relay outputs, and one 24 V DC output. These connections support motor-control logic, status monitoring, and interfacing with external control circuits. Its FieldBusPlug interface allows integration with supported industrial communication systems through the appropriate interface hardware. Protocol compatibility should be verified against the installed network and required device-description files.
Major Features and Advantages
1. Integrated motor protection
The UMC100-FBP.0 combines electronic motor protection and control functions in one device. This can simplify motor-starter design and provide a common point for operational status and fault information. Protection behavior must be configured for the specific motor and application.
2. Adjustable current settings
The 0.24–63 A setting range accommodates a broad range of motor applications. The correct setting must be based on motor nameplate information and the protection strategy, not simply the maximum current supported by the controller.
3. Digital control and status interfaces
Six digital inputs and three relay outputs provide connections for control commands, interlocks, status signals, and external circuits as permitted by the configuration. The available logic and terminal assignments should be checked against the wiring diagram and application program.
4. Fieldbus integration
The FBP interface supports communication through compatible FieldBusPlug equipment. The communication protocol is determined by the selected interface and system configuration; do not assume that every protocol is available directly from the controller without the required adapter.
5. Expansion options
Compatible expansion modules can add I/O or measurement capabilities to supported UMC100 configurations. Module compatibility, power requirements, and firmware dependencies must be verified before modifying an existing installation.
Typical Applications
- Three-phase motor starters
- Industrial pumps and fans
- Conveyors and material-handling equipment
- Process machinery and auxiliary drives
- Motor status and fault monitoring
- PLC-based motor-control systems
- Industrial motor-management panels
Installation and Maintenance
- Verify the exact unit. Confirm 1SAJ520000R0101, the UMC100-FBP.0 designation, and the hardware index.
- Check motor data. Match current settings to the motor nameplate and the approved protection design.
- Review the starter circuit. Confirm contactor arrangement, control voltage, interlocks, and upstream protective devices.
- Verify fieldbus hardware. Check the connected FieldBusPlug adapter, network protocol, addressing, and required configuration files.
- Inspect I/O wiring. Verify digital input assignments, relay output wiring, and the 24 V DC output’s permitted use.
- Commission under controlled conditions. Test protection behavior, start/stop commands, interlocks, fault indications, and communication before returning the motor to normal service.
Installation and testing should be performed by qualified personnel using the applicable ABB documentation and site safety procedures.
Product Assurance and Procurement Notes
The ABB 1SAJ520000R0101 is an older UMC100-FBP.0 version, and supplier listings indicate that it has been discontinued. ABB-related product information identifies the newer .3 DC, order code 1SAJ530000R0100, as a replacement for the -FBP.0. Treat this as a candidate replacement, not an automatic drop-in substitute: verify communication interfaces, wiring, configuration migration, and system-level compatibility before ordering.
Before purchasing, confirm the physical nameplate, hardware index, item condition, and the scope of any functional testing. For a replacement in an operating motor-control panel, preserving the existing protection settings and validating the complete starter sequence are essential.
Procurement note: Select act .0 variant when matching an existing installation. If considering a newer .3 DC, review the full migration requirements rather than relying on the claimed replacement relationship alone.
