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1SAE231111R0120 ABB ESB25-20N-01 Installation Contactor 2NO 25A 24V AC/DC
ABB ESB25-20N-01 is a 2-pole installation contactor with 2NO contacts, a 25 A AC-1 operational current and a 24 V AC/DC control coil for automated switching of electrical loads.
£48.97
Why Choose the ABB ESB25-20N-01 Installation Contactor?
The ABB ESB25-20N-01 is a compact and reliable 2-pole installation contactor designed for switching single-phase and three-phase electrical loads in residential, commercial and industrial applications. As part of the ABB ESB25..N installation contactor series, it combines a 25 A AC-1 operational current with two normally open contacts and a versatile 24 V AC/DC control coil.
The ESB25..N range is designed for dependable automated switching while providing hum-free operation, low power consumption and integrated overvoltage protection. These characteristics make the ESB25-20N-01 particularly suitable for distribution boards, building automation systems and control panels where quiet, efficient operation is important.
With a 25 A AC-1 rated operational current, 2NO contact configuration and 24 V AC/DC control voltage, the ESB25-20N-01 provides a practical solution for remotely controlling lighting, heating and other electrical loads. Its modular 36 mm width enables straightforward installation on DIN rail systems.
Key Advantages
- Compact installation contactor for automated electrical load switching.
- 25 A AC-1 rated operational current.
- 2NO normally open main contacts.
- 24 V AC/DC control coil provides flexible control-system compatibility.
- Hum-free operation helps minimise unwanted operating noise.
- Integrated overvoltage protection and low power consumption.
Key Features
- ABB ESB25..N installation contactor series.
- 2-pole contactor with 2NO contacts.
- 25 A AC-1 / AC-7a rated operational current.
- 9 A AC-3 / AC-7b rated operational current at 230 V.
- 24 V AC/DC rated control circuit voltage.
- Main-circuit operational voltage up to 400 V AC.
- 6 kV rated impulse withstand voltage.
- IP20 protection rating.
- Compact DIN rail mounting design for distribution boards and control panels.
Reliable Switching for Building and Industrial Loads
Installation contactors provide electrically controlled switching for loads that need to be operated automatically or remotely. The ABB ESB25-20N-01 uses a 24 V AC/DC control circuit to operate its two normally open main contacts, allowing compatible controllers, switches and automation equipment to control connected electrical loads.
The ESB25..N series is designed for both household applications and industrial environments. Hum-free operation, integrated overvoltage protection and compact modular construction make these contactors particularly useful in building automation, lighting, heating and distribution applications.
Typical Applications
- Residential and commercial lighting control.
- Building automation and energy-management systems.
- Electric heating and resistive load switching.
- Distribution boards and electrical control panels.
- Industrial control and automation systems.
- Remote switching of single-phase and three-phase loads.
Technical Specifications
| Series | ESB25..N |
|---|---|
| Order code | 1SAE231111R0120 |
| Product group | Installation Relays & Contactors |
| Product type | Installation contactor |
| Number of poles | 2 |
| Contact configuration | 2NO |
| Rated operational current AC-1 | 25 A |
| Rated operational current AC-3 at 230 V | 9 A |
| Rated operational current AC-7a | 25 A |
| Rated operational current AC-7b at 230 V | 9 A |
| Rated operational power AC-1 at 230 V | 5.8 kW |
| Rated operational power AC-3 at 230 V | 1.3 kW |
| Control circuit voltage | 24 V AC/DC |
| Main circuit operational voltage | up to 400 V AC / 220 V DC |
| Rated insulation voltage | 500 V |
| Rated impulse withstand voltage | 6 kV |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Dimensions (W × H × D) | 36 × 85 × 65 mm |
| Net weight | approx. 0.23 kg |
Frequently Asked Questions
What is the ABB ESB25-20N-01 used for?
It is an installation contactor designed for electrically controlled switching of loads in residential, commercial and industrial applications, including lighting, heating and building automation systems.
What is the rated current of the ESB25-20N-01?
The contactor has a rated operational current of 25 A for AC-1 and AC-7a loads.
What contact configuration does this contactor have?
The ESB25-20N-01 is a two-pole contactor with two normally open (2NO) main contacts.
What control voltage does the ESB25-20N-01 require?
The contactor uses a 24 V AC/DC control circuit, allowing it to be operated from either compatible AC or DC control supplies.
Where is the ABB ESB25-20N-01 typically installed?
The contactor is designed for DIN rail installation in electrical distribution boards and control panels used in building services, automation and industrial applications.
Trusted ABB Installation Switching Technology
ABB ESB installation contactors provide compact and dependable switching for building and industrial electrical systems, combining hum-free operation, low power consumption and integrated overvoltage protection with convenient modular installation.
