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1SAE231111R0304 ABB ESB25-04N-03 Installation Contactor 4NC 25A 48V AC/DC
ABB ESB25-04N-03 is a 4-pole installation contactor with 4NC contacts, a 25 A AC-1 operational current and a 48 V AC/DC control circuit for automated electrical load switching.
£59.29
Why Choose the ABB ESB25-04N-03 Installation Contactor?
The ABB ESB25-04N-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 closed contacts and a versatile 48 V AC/DC control circuit.
The ESB25..N series is designed for dependable switching of single-phase and three-phase loads while providing hum-free operation, low power consumption and integrated overvoltage protection. These characteristics make the ESB25-04N-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, 4NC contact configuration and 48 V AC/DC control voltage, the ESB25-04N-03 provides practical normally closed switching for lighting, heating, ventilation and other electrical loads. Its compact 36 mm width enables straightforward installation on standard DIN rails.
Key Advantages
- Compact installation contactor for automated electrical load switching.
- 25 A AC-1 rated operational current.
- Four normally closed (4NC) main contacts.
- 48 V AC/DC control circuit for compatibility with AC and DC control systems.
- Hum-free operation helps minimise unwanted operating noise.
- Low power consumption with integrated overvoltage protection.
Key Features
- ABB ESB25..N installation contactor series.
- 4-pole contactor with 4NC contacts.
- 25 A AC-1 rated operational current.
- 48 V AC/DC rated control circuit voltage.
- Main-circuit operational voltage up to 400 V AC.
- Suitable for single-phase and three-phase load control.
- Hum-free operation with integrated coil circuitry.
- Screw-terminal connections for secure wiring.
- Compact 36 mm wide DIN rail design.
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 ESB25-04N-03 uses a 48 V AC/DC control circuit to operate its four normally closed main contacts, providing a practical switching arrangement for compatible controllers and automation systems.
The ESB25..N series is designed for household applications as well as industrial environments. Its hum-free operation, low power consumption, integrated overvoltage protection and modular DIN rail construction make it suitable for building automation, lighting, electrical heating, water heaters, pumps, ventilation equipment and other controlled loads.
Typical Applications
- Residential and commercial lighting control.
- Building automation and energy-management systems.
- Electric heating and water-heating systems.
- Pump and ventilation control circuits.
- Distribution boards and electrical control panels.
- Industrial control and automation systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Series | ESB25..N | |
| Order code | 1SAE231111R0304 | |
| Product group | Installation Relays & Contactors | |
| Product type | Installation contactor | |
| Number of poles | 4 | |
| Contact configuration | 4NC | |
| Rated operational current AC-1 | 25 A | |
| Control circuit voltage | 48 V AC/DC | |
| Main circuit operational voltage | up to 400 V AC / 220 V DC | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail | |
| Dimensions (W × H × D) | 36 × 85 × 65 mm | |
| Weight | approx. 0.245 kg |
Frequently Asked Questions
What is the ABB ESB25-04N-03 used for?
It is an installation contactor designed for electrically controlled switching of loads in residential, commercial and industrial systems, including lighting, heating, pumps and ventilation equipment.
What is the rated current of the ESB25-04N-03?
The contactor has a rated operational current of 25 A for AC-1 loads.
What contact configuration does this contactor have?
The ESB25-04N-03 is a four-pole contactor with four normally closed (4NC) main contacts.
What control voltage does the ESB25-04N-03 require?
The contactor uses a 48 V AC/DC control circuit, allowing operation from compatible AC or DC control supplies.
How is the ABB ESB25-04N-03 installed?
The contactor is designed for DIN rail mounting in electrical distribution boards and control panels and has a compact width of 36 mm.
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.
