Siemens 3RT2326-1BB40 Contactor 4-Pole, 40A, 24V DC Coil, Size S0 Original Brand New

Overview

The Siemens 3RT2326-1BB40 is a high-performance 4-pole contactor designed for switching weak or non-inductive loads (AC-1) up to 40 A. This robust device features a 24V DC operating mechanism and comes equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, making it a versatile component for industrial control applications. Its compact Size S0 design and reliable screw terminals ensure easy integration and secure connections in a wide range of control panels. Built to meet stringent IEC standards, the 3RT2326-1BB40 provides reliable and safe operation for disconnecting loads, managing power generation, and transfer switching.

Key Benefit

• Reliable Performance: Engineered for AC-1 applications, ensuring stable and efficient switching of non-inductive loads.
• Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC auxiliary contacts simplify wiring and offer direct feedback for control circuits.
• Space-Saving Design: The compact Size S0 form factor allows for higher density installations in control cabinets and panels.
• Easy and Secure Connections: Screw terminals provide a secure and durable connection for main, auxiliary, and control circuits.
• Enhanced Safety: Meets international standards including IEC 60947, ensuring safe and compliant operation.
• Long-Lasting Durability: Designed with high-quality components for a long service life in demanding industrial environments.
• Flexible Application: Suitable for a wide range of uses, including load disconnection, power generation grid isolation, and transfer switching.

Functions and Features

• Product Type: Contactor for AC-1 duty.
• Number of Poles: 4-pole configuration for switching multi-phase loads.
• Current Rating: 40 A at 400 V / 40 °C.
• Operating Mechanism: 24V DC coil for precise and reliable control.
• Auxiliary Contacts: 1 NO + 1 NC contacts for signaling and interlocking.
• Terminal Type: Screw terminals for main, auxiliary, and control circuits.
• Size: S0, optimizing panel space.
• Protection: Connections require external short-circuit and overload protection, with specific guidance provided for main, auxiliary, and control circuits.
• Electromagnetic Compatibility (EMC): Fulfills requirements for environment category A.
• Standards: Conforms to IEC 60947-1, IEC 60947-4-1, and IEC 60947-5-1.
• Compatibility: Can be combined with Siemens 3RU2 thermal overload relays or 3RB3 electronic overload relays for motor protection.
• Accessories: Supports a range of optional accessories for enhanced functionality, including surge suppressors (RC elements, varistors, etc.) and additional auxiliary switches.

Technical Specification

• Product Number: 3RT2326-1BB40
• Rated Current (AC-1): 40 A (at 400V, 40°C)
• Coil Voltage: 24V DC
• Auxiliary Contacts: 1 NO + 1 NC
• Connection Type: Screw Terminal
• Mounting Size: S0
• Standards Compliance: IEC 60947
• Application: Switching of weak or non-inductive loads, load disconnection, transfer switching.

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