Overview

The Siemens 3RT2518-1BW40 is a high-performance power contactor engineered for reliable motor switching and control applications. Designed for AC-3 utilization, this compact contactor delivers 16 A rated operational current and supports up to 7.5 kW at 400 V, making it ideal for industrial automation systems, motor control centers, and machinery requiring dependable switching capability.

With 4 poles, 2 NO + 2 NC main contacts, and a durable 48 V DC coil, this device ensures maximum flexibility and efficiency in control circuits. Its S00 size and screw terminal design support easy installation and integration into modern electrical panels.

Benefit

• High Switching Reliability: Engineered for AC-3 motor loads, ensuring stable performance under demanding conditions.

• Compact and Space-Saving: S00 size contactor ideal for applications where panel space is limited.

• Flexible Contact Configuration: Equipped with 2 normally open and 2 normally closed contacts for versatile applications.

• Easy Installation: Screw terminal connections provide secure wiring and quick setup.

• Energy-Efficient Coil: 48 V DC control voltage reduces energy demand and improves operational efficiency.

• Industrial-Grade Durability: Siemens construction ensures long service life and dependable operation.

Key Features / Function

• Utilization Category: AC-3

• Operational Current: 16 A

• Motor Rating: 7.5 kW at 400 V

• Poles: 4-pole configuration

• Contact Setup: 2 NO + 2 NC main contacts

• Control Voltage: 48 V DC

• Terminal Type: Screw terminals

• Frame Size: S00 (compact model)

• Applications: Motor control, power switching, automation systems, conveyor systems, pumps, fans, HVAC, and industrial machinery.

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