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1SAE342111R0140 ABB EN40-40N-01 Installation Contactor 4NO 40 A 24 V AC/DC
ABB EN40-40N-01 is a 4-pole installation contactor with 4NO contacts, a 40 A AC-1 rating, 24 V AC/DC control and manual override for reliable electrical load switching.
£152.16
Why Choose the ABB EN40-40N-01 Installation Contactor?
The ABB EN40-40N-01 is a compact and reliable 4-pole installation contactor with manual override designed for switching single-phase and three-phase electrical loads in residential, commercial and industrial applications. As part of the ABB EN40..N installation contactor series, it combines a 40 A AC-1 rating with four normally open main contacts and a 24 V AC/DC control circuit.
The EN40..N series provides flexible electrical and manual control through a built-in toggle switch and supports On, Off and Auto operating modes. Its electronic coil technology provides hum-free operation, low power consumption and integrated overvoltage protection, making it well suited to distribution boards, building automation systems and industrial control panels.
With 4NO main contacts, a rated operational current of 40 A AC-1 and a 24 V AC/DC control voltage, the EN40-40N-01 provides dependable four-pole switching for lighting, heating, motors and other electrical loads. Its compact three-module-wide format enables straightforward installation on a DIN rail.
Key Advantages
- Compact 4-pole installation contactor with manual override.
- 40 A AC-1 rated operational current for electrical load switching.
- 4 normally open main contacts for simultaneous four-pole switching.
- 24 V AC/DC control voltage suitable for low-voltage control systems.
- Selectable On, Off and Auto manual operating modes.
- Hum-free operation with low coil power consumption.
- Integrated overvoltage protection for dependable operation.
- Compact three-module DIN rail format for distribution boards and control panels.
Key Features
- ABB EN40..N installation contactor series.
- 40 A AC-1 rated operational current.
- 4NO / 0NC main contact configuration.
- 4-pole design.
- 24 V AC/DC rated control circuit voltage.
- 11 kW AC-3 motor rating at 400 V three-phase.
- Built-in manual override for manual or automatic operation.
- Hum-free electronic coil operation.
- Integrated overvoltage protection.
- Compact 3 modular spacing DIN rail design.
Flexible Manual and Automatic Load Control
Installation contactors such as the ABB EN40-40N-01 allow electrical loads to be controlled remotely through a dedicated control circuit while also providing manual operation when required. The four normally open poles make this model particularly suitable for applications requiring simultaneous switching of multiple conductors or circuits.
The ABB EN40..N series is designed for household applications as well as industrial environments. Its AC/DC electronic coil provides quiet, energy-efficient operation, while integrated overvoltage protection and manual override support reliable and flexible control in modern electrical systems.
Typical Applications
- Lighting control systems.
- Electric heating systems.
- Motor, pump and fan switching.
- Building automation systems.
- Residential and commercial distribution boards.
- Industrial electrical control panels.
- Single-phase and three-phase load switching.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Series | EN40..N | |
| ABB order code | 1SAE342111R0140 | |
| Product type | Installation contactor with manual override | |
| Number of poles | 4 | |
| Main contact configuration | 4NO / 0NC | |
| Rated operational current (AC-1) | 40 A | |
| Rated control circuit voltage | 24 V AC/DC | |
| AC-3 motor rating at 230 V, single-phase | 3.7 kW | |
| AC-3 motor rating at 400 V, three-phase | 11 kW | |
| Rated insulation voltage | 500 V | |
| Manual operating modes | On / Off / Auto | |
| Width | 3 modular spacings / 54 mm | |
| Mounting type | DIN rail | |
| Terminal type | Screw terminals | |
| Operating temperature | -25 to +55 °C | |
| Dimensions (H × W × D) | approx. 86.3 × 54 × 68 mm | |
| Weight | approx. 0.410 kg |
Frequently Asked Questions
What is the ABB EN40-40N-01 used for?
The EN40-40N-01 is used for manual or automatic switching of single-phase and three-phase electrical loads in building automation, distribution and industrial control applications.
What is the current rating of the EN40-40N-01?
The contactor has a rated operational current of 40 A for AC-1 applications.
How many contacts does the EN40-40N-01 have?
The EN40-40N-01 is a four-pole contactor with 4 normally open (4NO) main contacts and no normally closed main contacts.
What control voltage does the EN40-40N-01 require?
The contactor has a rated control circuit voltage of 24 V AC/DC, allowing operation from a suitable AC or DC control supply.
Can the ABB EN40-40N-01 be operated manually?
Yes. The EN40-40N-01 incorporates a built-in manual override with On, Off and Auto operating modes for flexible manual or automatic load control.
Trusted ABB Switching Technology
ABB EN installation contactors combine reliable electrical switching, AC/DC electronic coil technology and convenient manual override for flexible load control in building automation, distribution and industrial applications.
