Technical Specifications

Parameter Name	Value
Product Model	1SFB527068D7005
Manufacturer	ABB
Product Type	Motor Protection Circuit Breaker Control Board / ETU700 Electronic Trip Unit
Product Series	1SFB5 / Tmax XT Series
Applicable Frames	Tmax XT1 – XT6 (0.5–270A)
Rated Current	270A (adjustable 180–270A)
Ultimate Breaking Capacity	68 kA (400V system)
Supply Voltage	24 V AC/DC (20–250V wide-range)
Protection Functions	Overload L, Short Circuit S, Phase Loss I, Ground Fault G
Measurement Accuracy	±0.5% (0.2–10 In)
Trip Response Time	≤5 ms (at 10 In)
Communication Interface	RS-485 / CAN (optional)
Operating Temperature	–15°C to +50°C
Storage Temperature	–40°C to +85°C
Protection Rating	IP20 (board level), IP54 (complete unit)
Mounting Type	Plug-in, tool-free insertion
Weight	Approx. 0.18 kg

 

Main Features and Advantages

High-precision motor protection and rapid fault clearing: The ABB 1SFB527068D7005 integrates a high-accuracy current sampling front-end achieving ±0.5% precision, enabling reliable detection of overload, short-circuit, and ground faults . The board executes trip decisions in under 5ms at 10 times rated current, effectively minimizing equipment damage and reducing arc flash hazards for personnel safety. This rapid response capability positions the ABB 1SFB527068D7005 as a critical safety element in motor control centers and power distribution systems.

Intelligent communication and predictive maintenance: As part of the ABB Ability™ edge device ecosystem, the ABB 1SFB527068D7005 supports communication protocols including Modbus RTU over RS-485 and CAN bus, enabling seamless integration with supervisory control systems . The board can transform traditional circuit breakers into smart devices capable of transmitting status data, fault records, and diagnostic information. This connectivity empowers plant operators to implement predictive maintenance strategies and reduce downtime by up to 30% . The hot-swap design enables replacement without powering down the system.

Broad compatibility and flexible configuration: The ABB 1SFB527068D7005 is designed for use across the Tmax XT1 through XT6 frame sizes, covering a wide current range from 0.5A to 270A . The board supports both 50Hz and 60Hz systems and can be field-programmed using the ETU configuration software. The electronic trip unit enables precise adjustment of trip parameters to match specific motor protection requirements. The ABB 1SFB527068D7005 supports firmware upgrades, ensuring long-term applicability and access to evolving protection features .

 

Application Fields

The ABB 1SFB527068D7005 is predominantly deployed in industrial environments requiring reliable motor protection and control. Its primary application is in motor control centers (MCCs) and power distribution systems, providing comprehensive protection for three-phase AC motors against short circuits, overloads, phase loss, and ground faults . The board is particularly valued in continuous process industries where motor reliability directly impacts production throughput.

In Oil and Gas and Petrochemical facilities, the ABB 1SFB527068D7005 protects critical pumps, compressors, and blowers operating in hazardous environments. The board’s fast fault-clearing capability is essential for preventing catastrophic equipment failures and ensuring personnel safety . In Steel and Metals industries, the board protects large rolling mill motors and auxiliary drives subject to high starting currents and demanding duty cycles. In Water and Wastewater Treatment plants, the ABB 1SFB527068D7005 ensures reliable pump station operation.

In Data Centers and Commercial Buildings, the board protects HVAC chillers, cooling tower fans, and emergency generators where continuous uptime is paramount . The ABB 1SFB527068D7005 is also widely used in Mining and Cement applications, where harsh conditions and variable loads demand robust protection. For system integrators upgrading existing MCCs, the ABB 1SFB527068D7005 provides a direct drop-in replacement for older protection modules, extending system life with modern electronic protection, diagnostic, and communication