Siemens 3RT2026-2AC24 SIRIUS Power Contactor, S0, 25A, 11kW, 24V AC Coil, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT2026-2AC24 Power Contactor is a high-performance, compact 3-pole switching device from the trusted SIRIUS 3RT2 series. Engineered for reliability in motor control and load switching applications, this Size S0 contactor is a go-to solution for industrial environments.

Its primary operational ratings are 25 A (for AC-3e/AC-3 applications) and a power rating of 11 kW at 400 V. It is driven by a control supply voltage of 24 V AC, 50/60 Hz. This model features the efficient and robust spring-loaded terminal connection technology, ensuring fast and secure wiring.

Function and Key Features

The core function of the 3RT2026-2AC24 is to electrically switch 3-phase AC loads, primarily asynchronous motors. It supports both the legacy AC-3 and the modern, efficiency-optimized AC-3e utilization categories.

Key Technical Features Include:

• Coil Reliability: Operates with a standard industrial 24 V AC control voltage, making it easy to integrate into common control circuits.
• Integrated Auxiliary Contacts: The contactor includes a versatile auxiliary switch block with 2 NO (Normally Open) + 2 NC (Normally Closed) contacts, which is removable for flexibility in control and signaling circuits.
• Vibration-Proof Connection: The spring-loaded terminal (or spring-type terminal) system provides a permanent, maintenance-free connection that resists loosening from shock or vibration, significantly increasing uptime and safety.
• Space-Saving Design: As a Size S0 device, it offers high power density in a compact housing, optimizing panel space.

Benefit

Choosing the Siemens 3RT2026-2AC24 offers several advantages for machine builders and maintenance engineers:

• Reduced Installation Time: The tool-free push-in technology of the spring terminals dramatically speeds up wiring compared to traditional screw terminals.
• High Operational Safety: The robust construction and secure spring connection ensure consistent contact reliability, which is critical for demanding motor control cycles.
• Seamless Integration: As part of the SIRIUS modular system, this power contactor is designed for easy assembly with other components, such as overload relays and circuit breakers.
• Long-Term Durability: Engineered for a high mechanical and electrical service life, providing an excellent return on investment in continuous operation.

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