ABB SPTU 240 R2 Power Supply and Output Relay Module

Core Advantages

• Wide Input Voltage Range: The module accepts 80–265 V AC or DC input, automatically adapting to various power supply conditions including unstable grid voltages and battery-backed DC systems. This flexibility makes it suitable for global installations and critical backup power applications .

• Integrated Power Supply and Output Relay: Unlike standard power supplies, the SPTU 240 R2 combines a 240W power supply with an output relay module in a single unit. This integration simplifies system design and reduces cabinet space requirements while providing direct trip contact output for protection applications .

• High Output Capacity: The module delivers up to 10A at 24V DC, providing sufficient power for multiple I/O modules, field instruments, and communication devices within a single I/O station or protection relay system .

• Redundancy and Hot-Swap Support: The SPTU 240 R2 supports N+1 redundant configurations when paired with a second module. Load sharing and automatic failover ensure uninterrupted power supply, while hot-swap capability allows module replacement without system shutdown .

• Comprehensive Protection Features: The module includes overvoltage, overcurrent, short-circuit, and overtemperature protection. These safeguards protect both the module itself and downstream equipment from damage during fault conditions, with automatic recovery after fault clearance .

• High Conversion Efficiency: With typical efficiency exceeding 90%, the module minimizes energy waste and heat generation, extending operational life and reducing cooling requirements in enclosed cabinets .

Technical Specifications

Application Scenarios

The ABB SPTU 240 R2 is essential in various industrial automation and protection systems requiring reliable power supply and output control:

• Power Generation: Provides power and trip output for generator protection relays, high-pressure feedwater pumps, and induced draft fan motor protection systems in thermal power plants .

• Steel and Metallurgical Plants: Powers protection systems for rolling mills and high-power fan drive systems, with reliable trip contact output for emergency shutdown .

• Petrochemical Plants: Ensures power safety for critical pump sets and compressors on continuous production lines, providing reliable operation in hazardous environments .

• Cement Processing Plants: Supports monitoring and trip control for crusher and rotary kiln drive motors with dependable power supply and relay output .

• Wastewater Treatment Plants: Enables centralized control and protection of large pump clusters with stable 24V DC power and alarm output capability .

• S800 I/O Distributed Systems: Provides redundant power supply for remote I/O stations, ensuring continuous operation of all connected I/O modules, field instruments, and communication devices .

What Is Included

• 1 × ABB SPTU 240 R2 Power Supply and Output Relay Module

• Original Factory Packaging (New & Original)

Before You Buy

• Stock Status: In Stock – Ready for immediate dispatch.

• Condition: New and Original. Each unit is 100% tested and verified before shipping.

• Compatibility Note: The SPTU 240 R2 is designed for use with ABB‘s SPAM 150 C protection relays and S800 I/O systems. Please verify your system compatibility before ordering. The R2 version features a normally open trip contact; for normally closed applications, the R3 version is required .

• Installation: Installation must be performed by qualified technicians. Ensure all power sources are disconnected before installation. The module is not hot-swappable for standalone applications; disconnect auxiliary power before replacement .

• Warranty: Comes with a standard 12-month warranty covering defects in materials and workmanship.

Frequently Asked Questions

Q: What is the difference between the SPTU 240 R2 and R3 versions?
A: The SPTU 240 R2 features a normally open (NO) trip contact, while the R3 version uses a normally closed (NC) contact. The choice between them depends on your protection relay‘s trip circuit logic requirements .

Q: Can the SPTU 240 R2 operate with DC input power?
A: Yes, the module supports a wide input range of 80–265 V AC or DC, making it suitable for both AC-powered and battery-backed DC systems .

Q: Does this module support hot-swapping?
A: No, the SPTU 240 R2 is not hot-swappable for standalone applications. It is recommended to disconnect the auxiliary power supply before replacement to avoid damage or hazardous voltage conditions. However, when used in redundant configurations with load sharing, one module can be replaced while the other maintains the load .

Q: What is the function of the output relay in this module?
A: The integrated output relay provides trip contact output for protection applications. When the protection relay detects a fault condition, the SPTU 240 R2‘s relay activates to trip the circuit breaker or initiate an alarm, with a contact rating of 250 V DC/AC at 5 A .

Q: How can I verify if the module is working properly?
A: Check the auxiliary power supply is within the 80–265 V range, then verify the module’s logic output using the built-in test function. The module includes LED indicators for input power status, output status, and fault/alarm conditions .

Q: What precautions should be taken when storing this module for long periods?
A: Store in a dry, anti-static environment. Due to internal electrolytic capacitors, periodic power-up activation every few years is recommended to maintain performance .

Q: How fast can you ship this module?
A: As this is a stock item, we typically ship within 24 hours of order confirmation via global express services like DHL or FedEx.

Recommending Models

The ABB SPTU 240 R2 works seamlessly with the following ABB automation and protection components:

• SPAM 150 C Protection Relay: ABB‘s comprehensive motor protection relay that utilizes the SPTU 240 R2 as its power supply and output relay module .

• SPTU 240 R3: The normally closed (NC) contact version of the same module, for applications requiring reverse trip logic .

• SPTU 48 R2: Lower voltage version of the power supply and output relay module for 48V DC systems .

• S800 I/O Modules: Digital and analog I/O modules that receive power from the SPTU 240 R2 in distributed control systems .

• PM571/PM581/PM582/PM590/PM591 CPUs: ABB AC500 PLC CPUs that can be powered by the SPTU 240 R2 in integrated automation systems .

• S800 I/O Terminal Units: Various terminal unit options for field wiring connections, powered by the SPTU 240 R2 .