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1SAE231111R0340 ABB ESB25-40N-03 Installation Contactor 4NO 25A 48V AC/DC
ABB ESB25-40N-03 is a 4-pole installation contactor with 4NO contacts, a 25 A AC-1 operational current and a 48 V AC/DC control circuit for automated electrical load switching.
£56.42
Why Choose the ABB ESB25-40N-03 Installation Contactor?
The ABB ESB25-40N-03 is a compact and reliable 4-pole installation contactor designed for automated switching of 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 four normally open contacts and a versatile 48 V AC/DC control circuit.
The ESB25..N series is designed for dependable switching of electrical loads while providing hum-free operation, low power consumption and integrated overvoltage protection. These characteristics make the ESB25-40N-03 particularly suitable for distribution boards, building automation systems and electrical control panels where quiet and efficient operation is important.
With a 25 A AC-1 rated operational current, 4NO contact configuration and 48 V AC/DC control voltage, the ESB25-40N-03 provides dependable four-pole switching for lighting, heating, motors and other electrical loads. Its modular DIN rail construction supports straightforward integration into modern electrical distribution and automation systems.
Key Advantages
- Compact installation contactor for automated electrical load switching.
- 25 A AC-1 rated operational current.
- Four normally open (4NO) main contacts for four-pole switching.
- 48 V AC/DC control circuit for compatibility with AC and DC control systems.
- AC-3 switching capability for suitable motor loads.
- Hum-free operation, low power consumption and integrated overvoltage protection.
Key Features
- ABB ESB25..N installation contactor series.
- 4-pole contactor with 4NO contacts.
- 25 A AC-1 rated operational current.
- 48 V AC/DC rated control circuit voltage.
- 1.3 kW AC-3 operational power at 230 V single-phase.
- 4 kW AC-3 operational power at 400 V three-phase.
- Suitable for automated switching of single-phase and three-phase loads.
- Hum-free operation with integrated overvoltage protection.
- Compact modular DIN rail construction.
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 ESB25-40N-03 uses a 48 V AC/DC control circuit to operate its four normally open main contacts, allowing multiple conductors or phases to be switched simultaneously from a compatible controller or automation system.
The ESB25..N series is suitable for building installations as well as industrial environments. Its hum-free operation, low power consumption, integrated overvoltage protection and modular DIN rail construction make it a practical choice for lighting, heating, motor control and electrical distribution applications.
Typical Applications
- Residential and commercial lighting control.
- Building automation and energy-management systems.
- Electric heating and resistive load switching.
- Single-phase and three-phase motor switching.
- Distribution boards and electrical control panels.
- Industrial control and automation systems.
Technical Specifications
| Series | ESB25..N |
|---|---|
| Order code | 1SAE231111R0340 |
| Product group | Installation Relays & Contactors |
| Product type | Installation contactor |
| Number of poles | 4 |
| Contact configuration | 4NO |
| Rated operational current AC-1 | 25 A |
| Rated operational power AC-3 at 230 V, single-phase | 1.3 kW |
| Rated operational power AC-3 at 400 V, three-phase | 4 kW |
| Control circuit voltage | 48 V AC/DC |
| Mounting type | DIN rail |
| Weight | approx. 0.245 kg |
Frequently Asked Questions
What is the ABB ESB25-40N-03 used for?
It is an installation contactor designed for electrically controlled switching of loads in residential, commercial and industrial applications, including lighting, heating, motor control and building automation systems.
What is the rated current of the ESB25-40N-03?
The contactor has a rated operational current of 25 A for AC-1 loads.
What contact configuration does the ESB25-40N-03 have?
The ESB25-40N-03 is a four-pole contactor with four normally open (4NO) main contacts.
What control voltage does the ESB25-40N-03 require?
The contactor uses a 48 V AC/DC control circuit, allowing operation from compatible AC or DC control supplies.
Can the ABB ESB25-40N-03 switch motor loads?
Yes. ABB specifies AC-3 operational power ratings of 1.3 kW at 230 V single-phase and 4 kW at 400 V three-phase for the ESB25-40N-03.
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.
