ESB16-20N-01 ABB Modular Contactor 16A 2P NO 24V AC/DC Coil 1SBE111111R0120

The ESB16-20N-01 (1SBE111111R0120) is a premium ABB modular contactor rated at 16A with 2-pole normally open configuration and 24V AC/DC coil operation. This modular contactor, also known as a lighting contactor, heating contactor, or installation contactor, delivers reliable switching and control for a wide range of electrical applications.

ABB's ESB16-20N-01 modular contactor is engineered for professional electrical installations where dependable switching control is essential. This compact 16A unit combines versatile 24V AC/DC coil operation with robust 2-pole switching capability, making it ideal for controlling lighting circuits, heating systems, ventilation equipment, and motor loads. The hum-free design ensures quiet operation in noise-sensitive environments.

Key Features

• 16A Current Rating: Handles substantial electrical loads up to 16 amps, suitable for most commercial and industrial switching applications
• Dual Voltage Coil (24V AC/DC): Universal coil accepts both AC and DC control voltages, providing installation flexibility and reducing inventory requirements
• Hum-Free Operation: Advanced coil design eliminates audible humming, making it perfect for offices, schools, and residential applications
• 2-Pole Normally Open Configuration: Provides reliable double-pole switching for enhanced safety and control in single-phase applications
• DIN Rail Mounting: Standard 35mm DIN rail compatibility ensures quick installation in distribution boards and control panels
• Compact Profile: Ultra-slim 17.8mm width maximises space efficiency in crowded electrical enclosures
• 6mm² Cable Capacity: Accommodates flexible cables up to 6mm², supporting various wiring configurations
• Wide Operating Temperature Range: Functions reliably from -25°C to +55°C, suitable for diverse environmental conditions

Applications

The ESB16-20N-01 modular contactor is extensively used for switching and controlling lighting circuits, heating systems, ventilation equipment, EV charging stations, motors, and pumps in commercial and industrial installations. Its compact design makes it particularly suitable for building automation systems, distribution boards, and control panels where space is at a premium. The hum-free operation is especially beneficial in noise-sensitive environments such as offices, hospitals, and residential buildings.

Standards and Sustainability

This ABB modular contactor meets stringent international standards with UKCA, CE, and UL certifications, ensuring compliance with European and North American electrical regulations. The IP20 rating provides protection against solid objects greater than 12.5mm diameter.

Manufactured by ABB in Bulgaria, order code ESB16-20N-01.

Frequently Asked Questions

What cable sizes can I connect to the ESB16-20N-01 modular contactor?

The ESB16-20N-01 accommodates flexible cables up to 6mm² maximum, providing versatility for various wiring configurations. The terminals are designed for reliable connection of both solid and stranded conductors within this range.

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

Yes, the ESB16-20N-01 features a universal 24V AC/DC coil, meaning it can be controlled by either 24V AC or 24V DC control systems. This dual voltage capability reduces inventory requirements and provides greater installation flexibility.

What are the physical dimensions for panel layout planning?

The ESB16-20N-01 measures 85mm high × 17.8mm wide × 64.8mm deep, with a compact weight of just 0.14kg. The ultra-slim 17.8mm width maximises space efficiency when mounting multiple units on DIN rail in electrical enclosures.

What is the difference between this modular contactor and a standard contactor?

The ESB16-20N-01 modular contactor features hum-free operation through advanced coil design, unlike many standard contactors which can produce audible humming. Additionally, its compact modular design and DIN rail mounting make it ideal for distribution board installations where space is limited.

Where can I buy ESB16-20N-01 ABB Modular Contactor 16A 2P NO 24V AC/DC Coil 1SBE111111R0120 in the UK?

CSE Distributors is an official franchised ABB distributor with locations in Wooburn Green and Southampton, offering genuine products with full warranty. With over 50 years of experience and hundreds of positive reviews, CSE provides expert technical support and same-day dispatch from their extensive warehouse facilities.