Siemens S0 Series 3-Pole Contactor 24V DC Coil, 12 A, 5.5 kW, 3 NO Contacts, 400V AC 3RT2024-1BB40

Siemens 3RT2024-1BB40 is a high-performance 3-pole contactor from the Siemens S0 series, powered by a 24V DC coil and rated for 12 A current with 5.5 kW power capability. It is ideal for industrial automation tasks including motor switching and protection in demanding industrial environments.

The contactor has three normally open contacts to control multiple circuits simultaneously. Its robust thermoplastic enclosure provides durability against mechanical impacts, supporting long-term usage in harsh conditions. The compact form factor with dimensions 85mm (height) x 45mm (width) x 107mm (depth) facilitates installation in confined spaces using DIN rail mounting.

Equipped with auxiliary contacts configured as 1 NO and 1 NC, it enables additional circuit control options. A 63A fuse is integrated for short circuit protection, enhancing safety and reliability. The device withstands impulse voltages up to 6 kV, suitable for handling sudden power surges.

The Siemens 3RT2024-1BB40 contactor offers a wide operational temperature range from -25°C to 60°C, making it suitable for diverse industrial, manufacturing, HVAC, and automation applications. Its IP20 rating ensures protection against solid objects larger than 12 mm but not against water ingress.

This contactor is designed to provide a mechanical service life of approximately 10 million operations, ensuring durability and long-term operational performance in industrial control systems.

This contactor features a 24V DC coil suitable for control circuits. It has a 3-pole configuration with 3 normally open (NO) contacts allowing simultaneous circuit control. The device operates at a contact voltage of 400V AC and supports current up to 12 A.

It is designed for DIN Rail mounting, ensuring easy installation in compact enclosures. Auxiliary contacts include 1 normally open (NO) and 1 normally closed (NC) contacts for additional switching control. Constructed with a robust thermoplastic body providing mechanical impact resistance for harsh environments.

The contactor has an operational current rating (Ie) of 40A and integrated short circuit protection with a 63A fuse. It has an IP20 ingress protection rating, preventing entry of solid objects larger than 12 mm. Suitable for industrial motor switching and protective applications such as motor starters.

Designed to operate reliably over a temperature range from -25°C to +60°C.

This Siemens contactor is essential for industrial automation, manufacturing plants, HVAC systems, water treatment facilities, and other low-voltage 400V AC applications requiring precise motor and circuit control. Its compact size and robust performance improve system reliability and efficiency.

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