Siemens SIRIUS 3RT2026-1NP30 Power Contactor, 25A, 11kW, 3-Pole, AC/DC 200-280V Coil, Size S0, 1 NO + 1 NC Contact Original Brand New

Overview

The Siemens 3RT2026-1NP30 Power Contactor from the renowned SIRIUS 3RT2 series is a robust and compact solution engineered for switching motors and general industrial loads. This specific model is a 3-pole contactor rated for $25\text{ A}$ (AC-3e/AC-3) and $11\text{ kW}$ at $400\text{ V}$, making it ideal for standard motor control applications. Its defining feature is the wide-range 200-280 V AC/DC coil which offers flexibility and reliability in various global power systems. Built to the latest international standards and utilizing screw terminal technology for secure wiring, the Size S0 contactor integrates seamlessly into the modular SIRIUS system.

Key Specifications & Features

• Product ID: 3RT2026-1NP30 (The core, unique identifier)
• Brand/Series: Siemens SIRIUS 3RT2
• Type: Power Contactor for Switching Motors
• Current Rating (AC-3e/AC-3): $25\text{ A}$ (at $400\text{ V}$)
• Power Rating: $11\text{ kW}$ (at $400\text{ V}$)
• Number of Poles: 3-pole (main circuit)
• Control Coil Voltage: $200-280\text{ V AC/DC}$ (Dual AC/DC operation)
• Coil Protection: Integrated varistor for surge suppression, protecting the coil and increasing service life.
• Auxiliary Contacts: $1\text{ NO}+1\text{ NC}$ (built-in, reducing complexity)
• Connection Type: Screw terminals (Main and Auxiliary Circuits)
• Size: S0 (Compact and space-saving design)
• IEC/UL/CSA Approved: Ready for worldwide use.

Benefit

• Maximum Flexibility: The wide-range $200-280\text{ V AC/DC}$ coil allows for use with both AC and DC control voltages, simplifying inventory and standardizing designs.
• Coil Protection Included: The pre-installed integrated varistor safeguards against switching voltage peaks, reducing downtime and eliminating the need for external surge suppressors.
• Space-Saving Design: As a Size S0 contactor, it provides high performance ($11\text{ kW}$) in a compact footprint, optimizing cabinet space.
• High Reliability: Part of the proven SIRIUS modular system, guaranteeing high contact reliability and long electrical service life.
• Quick & Secure Wiring: Robust screw terminals ensure a reliable and durable connection for both the main and control circuits.
• Global Compliance: The contactor is IE3/IE4-ready and approved for worldwide use (IEC, UL/CSA), ensuring compliance for global equipment manufacturers.

Function

The 3RT2026-1NP30 functions as an electromechanical switching device primarily used for switching electric motors, heating loads, and lighting systems. In a typical application, it acts as the primary power element in a Direct-On-Line (DOL) starter or a motor feeder.

Application

• Motor control for pumps, fans, and compressors.
• Switching resistive loads (heating elements).
• Integration into complex automation systems and control panels.
• Use in load feeders up to $11\text{ kW}/25\text{ A}$.

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