Siemens SIRIUS 3RT2026-2BW40 Power Contactor, 25A, 11kW, 48V DC Coil, Size S0, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT2026-2BW40 is a high-performance power contactor from the SIRIUS 3RT2 family, specifically engineered for switching motors and other resistive loads up to 11 kW at 400 V (AC-3/AC-3e).

This robust 3-pole contactor features a rated operational current of 25 A and is equipped with a reliable 48 V DC control coil for integration into modern automation systems. It is designed in a compact Size S0 and utilizes spring-loaded terminals on all connections (main and auxiliary circuits) for fast, vibration-proof, and maintenance-free wiring, making it ideal for industrial control panels.

Key Specifications & Function

• Product Number: 3RT2026-2BW40
• Contactor Type: Power Contactor (SIRIUS 3RT2)
• Switching Capacity (AC-3/AC-3e): 25 A / 11 kW at 400 V
• Poles: 3-pole main circuit
• Coil Control Voltage: 48 V DC
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Connection Type: Spring-Loaded Terminal (Spring-type terminal)
• Size: S0
• Function: Used for switching AC motors, heating circuits, and general resistive/inductive loads. The auxiliary contacts provide essential feedback for interlocking and control circuits.

Benefits

• Fast & Reliable Wiring: Spring-loaded terminals dramatically reduce wiring time and ensure a gas-tight, vibration-proof connection, minimizing maintenance and downtime.
• Space-Saving Design: The compact Size S0 format allows for high-density mounting in control cabinets, optimizing panel space.
• High Performance: Certified for both AC-3 and the enhanced efficiency class AC-3e, ensuring long-term motor switching reliability.
• Modular System: Part of the comprehensive Siemens SIRIUS modular system, allowing for seamless integration with matching components like overload relays and circuit breakers.

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