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1SBE121111R0202 ABB ESB20-02N-02 Installation Contactor 2NC 20 A 42 V AC/DC
ABB ESB20-02N-02 is a 20 A two-pole installation contactor with 2NC main contacts and a 42 V AC/DC control circuit for automatic switching of single-phase electrical loads.
£46.43
Why Choose the ABB ESB20-02N-02 Installation Contactor?
The ABB ESB20-02N-02 is a compact 20 A installation contactor designed for automatic control of single-phase electrical loads in residential, commercial and industrial installations. Part of the ABB ESB20..N installation contactor series, it combines two normally closed main contacts with flexible AC/DC control for reliable automated switching.
Its integrated coil circuit enables operation from AC or DC control supplies while providing hum-free, quiet switching, low power consumption and integrated overvoltage protection. With an installation width of only 18 mm, the contactor is particularly well suited to space-conscious distribution boards and modular control panels.
With an AC-1 rated operational current of 20 A, 2NC main contacts and a 42 V AC/DC control voltage, the ESB20-02N-02 provides a dependable solution for switching heating, lighting, ventilation, pumps and other controlled electrical loads.
Key Advantages
- Compact 20 A modular installation contactor for automated load switching.
- 2NC contact configuration provides two normally closed switching contacts.
- 42 V AC/DC control voltage provides flexibility for AC and DC control systems.
- Integrated coil circuitry provides hum-free and quiet operation.
- Low power consumption supports efficient control-system operation.
- Integrated overvoltage protection supports reliable coil operation.
- Compact 18 mm width is ideal for distribution-board installation.
Key Features
- ABB ESB20..N installation contactor series.
- 20 A AC-1 rated operational current.
- 2-pole configuration with 2NC main contacts.
- 42 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.
- 6 kV rated impulse withstand voltage.
- Mechanical durability of up to 1,000,000 cycles.
- 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 ESB20-02N-02 combines a compact modular format with a 42 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. Integrated coil circuitry allows AC or DC control and enables quiet, hum-free operation, while the compact installation design makes the contactor particularly suitable for mounting in electrical distribution boards.
Typical Applications
- Residential and commercial lighting control.
- Electric heating and water-heating systems.
- Ventilation and building-services equipment.
- Pumps and other small 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 | 1SBE121111R0202 | |
| Product type | Installation contactor | |
| Number of poles | 2 | |
| Main contacts | 2NC | |
| Rated operational current (AC-1) | 20 A | |
| Rated control circuit voltage | 42 V AC/DC | |
| Rated operational voltage | 250 V AC / 220 V DC | |
| Rated insulation voltage | 400 V | |
| Rated impulse withstand voltage | 6 kV | |
| 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 | |
| Mechanical durability | 1,000,000 cycles | |
| Degree of pollution | 3 | |
| Protection rating | IP20 | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail | |
| Width | 18 mm | |
| Dimensions (H × W × D) | approx. 85 × 18 × 65 mm | |
| Weight | approx. 0.14 kg | |
| EAN | 3471523007369 |
Frequently Asked Questions
What is the ABB ESB20-02N-02 used for?
The ESB20-02N-02 is an installation contactor designed for automatic switching of single-phase electrical loads such as heating equipment, water heaters, lighting, ventilation systems, pumps and other controlled loads.
What is the current rating of the ESB20-02N-02?
The contactor has an AC-1 rated operational current of 20 A and an AC-3 operational current of 9 A at 230 V single-phase.
What contact configuration does the ESB20-02N-02 have?
The ESB20-02N-02 has two normally closed (2NC) main contacts, providing two normally closed switching paths.
What control voltage does the ESB20-02N-02 require?
The contactor has a 42 V AC/DC control circuit. Its integrated coil circuitry allows operation from compatible AC or DC control supplies.
How is the ABB ESB20-02N-02 installed?
The ESB20-02N-02 is designed for DIN-rail mounting in distribution boards and control panels. Its compact 18 mm width helps minimise the required panel space.
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 quiet operation and space-saving DIN-rail installation.
