Product Description The ABB SPAU 330 C1-AA is a multi-functional voltage monitoring and protection relay designed for precise supervision of busbar phase-to-phase voltages and residual voltage ($U_0$) in medium- and high-voltage power systems. As part of...

Product Description The ABB SPAU 140 C is a high-precision numerical synchro-check relay designed to supervise the safe interconnection of two independent AC power systems. Using a microprocessor-based measurement and logic platform, the relay...

Product Description The SPHSS13 is a high-performance hydraulic servo module engineered for ABB Symphony Plus and Harmony Rack control architectures. Designed for precise, high-speed closed-loop control, this module interfaces directly with LVDT (Linear Variable Differential Transformer) or RVDT sensors and drives...

Product Description The SPFCS01 is a high-speed dual-channel frequency counter module designed for the ABB Symphony Plus and Harmony Rack I/O systems. It is specifically engineered for power generation and utility applications, providing accurate pulse-counting for...

Product Description The SPGU240A1 is a high-efficiency power supply module designed for the ABB Symphony Plus (S+) and Harmony Rack systems. It delivers regulated and stable logic power to rack-mounted I/O modules and controllers, ensuring...

Product Description The SPAS011 is a high-density analog output (AO) module designed for ABB Symphony Plus and Harmony Rack systems. It converts digital control signals into precise analog outputs to drive final control elements such...

Product Description The SPDSI14 is a 16-channel digital input (DI) module for the ABB Symphony Plus (S+) and Harmony Rack systems, designed to provide robust, high-fidelity monitoring of discrete field signals. It accepts inputs from...

Product Description The SPFEC12 is a high-precision analog input (AI) module designed for ABB Symphony Plus and Harmony Rack distributed control systems (DCS). It serves as the primary interface for acquiring critical process variables, converting...

Product Description The SPDSO14 is a 16-channel digital output (DO) module designed for ABB Symphony Plus and Harmony Rack distributed control systems (DCS). It provides robust interfacing between low-level control logic and field devices such...

Product Description The SPNPM22 is a high-performance network processing module for the ABB Symphony Plus and Harmony Rack control systems. It serves as a communication bridge between the local controller bus and high-speed plant networks or Ethernet...