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1SBE121111R0411 ABB ESB20-11N-04 Installation Contactor 1NO/1NC 20 A 110 V AC/DC
ABB ESB20-11N-04 is a 20 A two-pole installation contactor with 1NO and 1NC main contacts and a 110 V AC/DC control circuit for automatic and remote electrical load switching.
£44.64
Why Choose the ABB ESB20-11N-04 Installation Contactor?
The ABB ESB20-11N-04 is a compact 20 A installation contactor designed for automatic control of electrical loads in residential, commercial and industrial applications. Part of the ABB ESB20..N installation contactor series, it combines one normally open and one normally closed main contact with flexible AC/DC control for dependable automated switching.
Its integrated coil circuitry enables operation from AC or DC control supplies while providing hum-free operation, low power consumption and integrated overvoltage protection. With a compact 18 mm width, the ESB20-11N-04 is particularly well suited to distribution boards and modular control panels where space-efficient switching is required.
With an AC-1 rated operational current of 20 A, 1NO + 1NC main contacts and a 110 V AC/DC control voltage, the ESB20-11N-04 provides a versatile solution for remotely or automatically switching compatible lighting, heating, ventilation and other electrical loads.
Key Advantages
- Compact 20 A modular installation contactor for automated load switching.
- 1NO + 1NC contact configuration provides both normally open and normally closed switching functions.
- 110 V AC/DC control voltage supports compatible AC and DC control systems.
- Integrated coil circuitry provides hum-free operation.
- Low power consumption supports efficient control-system operation.
- Integrated overvoltage protection supports dependable coil operation.
- Compact 18 mm width saves space in distribution boards and control panels.
Key Features
- ABB ESB20..N installation contactor series.
- 20 A AC-1 rated operational current.
- 2-pole configuration with 1NO + 1NC main contacts.
- 110 V AC/DC rated control circuit voltage.
- 9 A AC-3 rated operational current at 230 V single-phase.
- 1.3 kW AC-3 rated operational power at 230 V single-phase.
- 72 A rated short-time withstand current.
- IP20 protection rating.
- DIN-rail mounting for modular electrical installations.
- Screw terminals for secure conductor connections.
Reliable Switching for Electrical Loads
Installation contactors provide electrically controlled switching for loads that need to operate automatically or remotely. The ABB ESB20-11N-04 combines a compact modular format with a 110 V AC/DC control circuit, allowing integration with compatible switches, timers, relays and building or industrial automation systems.
The ESB20..N series is designed for household applications as well as industrial environments. Its integrated coil circuitry enables AC or DC control while providing hum-free operation, low power consumption and integrated overvoltage protection for dependable switching.
Typical Applications
- Residential and commercial lighting control.
- Electric heating and water-heating systems.
- Ventilation and building-services equipment.
- Compatible pumps and motor-driven loads.
- Electrical distribution boards and control panels.
- Industrial and building automation systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Series | ESB20..N Installation Contactors | |
| ABB order code | 1SBE121111R0411 | |
| Product type | Installation contactor | |
| Number of poles | 2 | |
| Main contacts | 1NO + 1NC | |
| Rated operational current (AC-1) | 20 A | |
| Rated control circuit voltage | 110 V AC/DC | |
| Rated operational current (AC-3, 230 V single-phase) | 9 A | |
| Rated operational power (AC-3, 230 V single-phase) | 1.3 kW | |
| Rated short-time withstand current | 72 A | |
| Protection rating | IP20 | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail | |
| Operating ambient temperature | -25 to +55 °C | |
| Dimensions (H × W × D) | 85 × 18 × 65 mm | |
| Installation depth | 58 mm | |
| Approximate weight | 0.145 kg | |
| EAN | 3471523007437 |
Frequently Asked Questions
What is the ABB ESB20-11N-04 used for?
The ESB20-11N-04 is an installation contactor designed for automatic or remote switching of compatible electrical loads in residential, commercial and industrial systems.
What is the current rating of the ESB20-11N-04?
The contactor has an AC-1 rated operational current of 20 A. For AC-3 duty at 230 V single-phase, the rated operational current is 9 A.
What contact configuration does the ESB20-11N-04 have?
The ESB20-11N-04 has one normally open (1NO) and one normally closed (1NC) main contact, providing both normally open and normally closed switching functions.
What control voltage does the ESB20-11N-04 require?
The contactor has a 110 V AC/DC control circuit, allowing operation from a compatible AC or DC control supply.
How is the ABB ESB20-11N-04 installed?
The ESB20-11N-04 is designed for DIN-rail mounting in distribution boards and control panels and has a compact width of approximately 18 mm.
Trusted ABB Switching Technology
ABB ESB installation contactors provide compact, efficient and dependable electrical load switching for residential, commercial and industrial systems, combining flexible AC/DC control with hum-free operation and space-saving DIN-rail installation.
