ESB25-40N-01 ABB Modular Contactor 25A 4P NO 24V AC/DC Coil 1SAE231111R0140

The ESB25-40N-01 (1SAE231111R0140) is an ABB 25A 4-pole modular contactor featuring a 24V AC/DC coil, designed for reliable switching and control applications. Modular contactors, also known as lighting contactors, heating contactors, or installation contactors, are essential components for automated electrical control systems in commercial and industrial environments.

This ABB modular contactor delivers dependable 25A switching capacity across four poles, making it ideal for controlling lighting circuits, heating systems, ventilation equipment, and motor loads. The innovative AC/DC coil design eliminates operational hum while providing flexible installation options, ensuring quiet operation in noise-sensitive environments.

Key Features

• 25A Four-Pole Configuration: Provides robust switching capacity for high-current applications while offering complete circuit isolation across all poles for enhanced safety and reliability.
• Universal 24V AC/DC Coil: Eliminates the need for separate AC and DC variants, simplifying inventory management while reducing installation complexity and operational noise.
• Hum-Free Operation: Advanced coil design ensures silent operation, making it perfect for offices, hospitals, schools, and residential applications where noise pollution must be minimised.
• DIN Rail Mounting: Standard 35mm DIN rail compatibility enables quick installation in control panels and distribution boards, reducing labour costs and installation time.
• Compact 36mm Width: Space-efficient design maximises panel real estate while maintaining full 25A switching capacity, allowing for higher circuit density in control systems.
• IP20 Protection Rating: Suitable for indoor installations with protection against solid objects larger than 12mm, ensuring safe operation in standard electrical enclosures.
• Wide Temperature Range: Operates reliably from -25°C to +55°C, making it suitable for challenging environmental conditions including unheated buildings and outdoor enclosures.
• 10mm² Cable Capacity: Accommodates substantial cable sizes for high-current connections while maintaining secure terminations.

Applications

The ESB25-40N-01 modular contactor is extensively used in building services, industrial automation, and infrastructure applications. Common installations include lighting control systems in commercial buildings, heating and ventilation control in HVAC systems, motor control for pumps and fans, and EV charging station control circuits. The contactor is particularly suited to applications requiring remote switching of resistive, inductive, and motor loads up to 25A, with the four-pole configuration providing complete electrical isolation for three-phase plus neutral circuits.

Standards and Sustainability

This ABB modular contactor carries UKCA, CE, and UL certifications, ensuring compliance with British, European, and North American safety standards. The IP20 rating confirms suitability for standard electrical panel installations, while the robust construction ensures long service life and reliable operation.

Manufactured by ABB in Germany, order code ESB25-40N-01.

Frequently Asked Questions

What cable sizes can be connected to the ESB25-40N-01 modular contactor?

The ESB25-40N-01 accepts flexible cables up to 10mm² cross-sectional area, providing ample capacity for 25A applications. The terminals are designed to accommodate both rigid and flexible conductors, with secure clamping mechanisms ensuring reliable long-term connections.

Can this contactor be used for both AC and DC control circuits?

Yes, the ESB25-40N-01 features a universal 24V AC/DC coil that operates with either alternating or direct current control supplies. This eliminates the need for separate product variants and simplifies specification, ordering, and inventory management while providing maximum installation flexibility.

What are the physical dimensions for panel layout planning?

The contactor measures 36mm wide × 85mm high × 64.8mm deep and weighs just 0.25kg. The compact 36mm width allows multiple units to be mounted side-by-side on standard DIN rail, while the 85mm height fits comfortably in standard control panel enclosures.

Is the ESB25-40N-01 suitable for motor control applications?

Yes, this 4-pole modular contactor is well-suited for motor control applications up to 25A, including pumps, fans, and other industrial equipment. The four poles provide complete circuit switching for three-phase motors with neutral connection, while the hum-free operation ensures quiet performance in occupied spaces.

Where can I buy ESB25-40N-01 ABB Modular Contactor 25A 4P NO 24V AC/DC Coil 1SAE231111R0140 in the UK?

CSE Distributors supplies the ESB25-40N-01 as an official ABB franchised distributor, guaranteeing genuine products with full warranty. With locations in Wooburn Green and Southampton plus same-day dispatch capabilities, CSE offers competitive pricing and technical support backed by hundreds of positive customer reviews.