Siemens 3RT2636-1AN23 Capacitor Contactor, S2, 50 kVAr / 400V, 220V AC Coil, Screw Terminal Original Brand New

Overview

The Siemens 3RT2636-1AN23 is a specialized S2-sized capacitor contactor designed for switching capacitive loads up to 50 kVAr at 400V. Built to meet stringent AC-6b standards, this 3-pole contactor features a 220V AC, 50/60 Hz operating coil and comes equipped with precharging resistors to mitigate inrush current peaks. Its integrated 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts and screw terminals ensure reliable and flexible connectivity. This device is an essential component for power factor correction, reactive current compensation, and converter switching applications, minimizing stress on the power supply network and extending the lifespan of connected equipment.

Benefit

• Reduced Inrush Current: Integrated precharging resistors limit peak charging current, protecting the power supply network and other components.
• Enhanced System Longevity: By minimizing electrical stress, the contactor helps extend the operational life of capacitors and other connected devices.
• Reliable Performance: Conforms to global standards including IEC 60947 and IEC 60831, ensuring consistent and safe operation.
• Versatile Application: Ideal for choked or unchoked capacitor switching in reactive current compensation systems and converter circuits.
• Easy Integration: The standard S2 size and user-friendly screw terminals simplify installation and maintenance.

Key Features / Function

• Product Number: 3RT2636-1AN23
• Product Type: Capacitor Contactor
• Standards: IEC 60947-1, IEC 60947-4-1, IEC 60947-5-1, IEC 60831-1, IEC 61921
• Capacitive Load Rating (AC-6b): 50 kVAr at 400 V
• Poles: 3-pole
• Operating Coil Voltage: 220 V AC, 50/60 Hz
• Auxiliary Contacts: 1 NO + 1 NC (integrated on the left side)
• Terminals: Screw terminals for secure wiring
• Size: S2
• Technology: Features leading auxiliary contacts that switch on precharging resistors, limiting charging current peaks.
• Protection: Connections must be protected against short-circuit and overload using suitable external measures. Overvoltage protection can be added with optional surge suppressors.
• Expansion: Can be expanded with additional lateral auxiliary switches for increased functionality.

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