Siemens 3RT2626-1AB05 SIRIUS 3RT26 Capacitor Contactor 20 kVAr, 400V, 3-Pole, 24V AC, S0 Original Brand New

Overview

The Siemens 3RT2626-1AB05 is a high-performance SIRIUS 3RT26 capacitor contactor specifically engineered for switching capacitive loads in power factor correction and reactive current compensation systems. This robust contactor is designed to handle AC-6b applications up to 20 kVAr at 400V, providing reliable and efficient operation.

Its key feature is the integrated precharging resistors, which are engaged via leading auxiliary contacts to effectively limit inrush currents. This innovative design minimizes electrical stress on the system, prevents voltage dips, and extends the lifespan of the capacitors and other connected equipment.

Benefits

• Extended Equipment Life: The built-in precharging resistors drastically reduce the peak charging current, protecting capacitors and other components from damaging inrush currents.
• Enhanced System Stability: By limiting current peaks, the contactor prevents negative impacts on the power supply network, such as voltage sags and harmonics.
• Reliable Performance: Designed to meet stringent international standards (IEC 60947 series, IEC 60831, IEC 61921), ensuring safety and dependability in demanding industrial environments.
• Flexible Integration: The size S0 frame and screw terminals allow for easy and secure installation in a wide range of control panels and systems.
• Versatile Application: Suitable for both choked and unchoked capacitors in reactive power compensation systems, as well as for switching converters.

Function & Features

• Product Number: 3RT2626-1AB05
• Application: Capacitor contactor for AC-6b loads
• Capacitive Power: 20 kVAr at 400 V
• Poles: 3-pole configuration
• Control Supply Voltage: 24 V AC, 50 Hz
• Auxiliary Contacts: 1 Normally Open (NO) + 2 Normally Closed (NC)
• Terminals: Screw terminals for secure wiring
• Size: S0 frame size
• Precharging Resistors: Integrated resistors and leading auxiliary contacts limit inrush current, ensuring smooth switching of capacitive loads.
• Standards Compliance: Adheres to IEC 60947-1, IEC 60947-4-1, IEC 60947-5-1, IEC 60831-1, and IEC 61921.
• Protection Options: Can be protected against short circuits, overloads, and overvoltage using suitable external devices (e.g., circuit breakers, overload relays, surge suppressors).
• Modular Design: The basic unit can be expanded with additional lateral auxiliary switches (3RT262 model), offering greater customization and control.

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