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1SAE231111R0731 ABB ESB25-31N-07 Installation Contactor 3NO/1NC 25 A 400–415 V AC/DC
ABB ESB25-31N-07 is a 4-pole 25 A installation contactor with 3NO/1NC contacts and a 400–415 V AC/DC control circuit for switching single-phase and three-phase electrical loads.
£59.27
Why Choose the ABB ESB25-31N-07 Installation Contactor?
The ABB ESB25-31N-07 is a compact and reliable 4-pole installation contactor designed for controlling single-phase and three-phase electrical loads in residential, commercial and industrial applications. As part of the proven ABB ESB25..N installation contactor series, it combines 3 normally open (NO) and 1 normally closed (NC) main contacts with a 400–415 V AC/DC control circuit.
Designed for loads up to 25 A in AC-1/AC-7a applications, the ESB25-31N-07 provides dependable switching for heating systems, lighting, pumps, fans, motors and other electrical equipment. The ESB25..N series provides hum-free operation, low power consumption and integrated overvoltage protection, making it suitable for both household installations and industrial environments.
With its compact 36 mm modular width, DIN-rail mounting and versatile AC/DC coil operation, the ESB25-31N-07 is well suited to distribution boards and electrical control panels where installation space is limited. Its 400–415 V AC/DC control voltage and 3NO/1NC contact arrangement provide flexible switching for building automation and industrial control applications.
Key Advantages
- Compact 4-pole installation contactor for loads up to 25 A.
- 3NO + 1NC contact configuration for flexible switching and control applications.
- 400–415 V AC/DC control circuit supports both AC and DC control systems.
- Hum-free operation for quieter residential, commercial and industrial installations.
- Low power consumption with integrated overvoltage protection.
- Compact 36 mm wide, 2-module design for space-efficient DIN-rail installation.
Key Features
- ABB ESB25..N installation contactor series.
- 25 A AC-1/AC-7a rated operational current.
- 3 normally open and 1 normally closed main contacts.
- 400–415 V AC/DC rated control voltage.
- AC-3 motor rating up to 1.3 kW at 230 V single-phase.
- AC-3 motor rating up to 4 kW at 400 V three-phase on the NO contacts.
- Designed for switching both single-phase and three-phase electrical loads.
- Hum-free electronically controlled coil operation.
- Integrated overvoltage protection.
- DIN-rail mounting for modular distribution and control equipment.
Reliable Switching for Electrical Loads
Installation contactors such as the ABB ESB25-31N-07 provide electrically controlled switching for lighting, heating, motors and other electrical loads. The contactor allows a control circuit to operate higher-current load circuits remotely, making it suitable for automated switching, building services and industrial electrical control systems.
The ABB ESB25..N series is designed for both household and industrial environments. Its AC/DC control capability, hum-free operation, low power consumption and integrated overvoltage protection make it particularly suitable for distribution boards, building automation systems and industrial control panels.
Typical Applications
- Building automation and electrical distribution systems.
- Electric heating and water-heating equipment.
- Lighting control circuits.
- Pumps, fans and ventilation equipment.
- Motor and machinery control circuits.
- Industrial control panels and automation systems.
Technical Specifications
| Series | ESB25..N Installation Contactors |
|---|---|
| ABB order code | 1SAE231111R0731 |
| Product type | Installation contactor |
| Number of poles | 4 |
| Contact configuration | 3NO + 1NC |
| Normally open main contacts | 3 |
| Normally closed main contacts | 1 |
| Rated operational current AC-1/AC-7a | 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 (NO contacts) |
| Rated control circuit voltage | 400–415 V AC/DC |
| Control type | AC/DC operated |
| Width | 36 mm |
| Width in modular spacings | 2 |
| Height | 85.8 mm |
| Depth | 58 mm |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB ESB25-31N-07 used for?
The ESB25-31N-07 is an installation contactor used to control single-phase and three-phase electrical loads such as lighting, heating equipment, pumps, fans and motors in building and industrial applications.
What is the contact configuration of the ESB25-31N-07?
The contactor has four poles arranged as 3 normally open (NO) contacts and 1 normally closed (NC) contact.
What control voltage does the ESB25-31N-07 require?
The ESB25-31N-07 has a rated control circuit voltage of 400–415 V AC/DC, allowing operation from either an AC or DC control supply.
What current can the ABB ESB25-31N-07 switch?
The ESB25-31N-07 is designed for loads up to 25 A in AC-1/AC-7a applications, with its normally open contacts supporting AC-3 motor duties up to 4 kW at 400 V three-phase.
Where is the ABB ESB25-31N-07 typically installed?
The contactor is designed for compact DIN-rail installation in electrical distribution boards, building automation panels and industrial control enclosures.
Trusted ABB Switching Technology
ABB ESB25..N installation contactors provide compact, quiet and energy-efficient switching for electrical loads, combining AC/DC control operation with dependable performance for residential, commercial and industrial installations.
