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1SBH137005R1131 ABB NF31EK-11 Contactor 31A 24-60V AC/DC Coil
ABB 1SBH137005R1131 NF31EK-11 contactor relay with 24–60 V AC/DC control voltage and 3 NO + 1 NC auxiliary contacts for industrial control switching.
£34.99
Why Choose the ABB 1SBH137005R1131 NF31EK-11 Contactor Relay?
The ABB 1SBH137005R1131 is a compact and reliable contactor relay designed for switching auxiliary and control circuits in industrial automation, electrical control panels and machine systems. As part of the advanced ABB NF contactor relay series, it provides dependable AC/DC operation, flexible installation and reliable switching performance for demanding industrial applications.
This contactor relay features an electronic coil interface with a wide control voltage range, allowing one device to manage varying AC and DC control supplies without changing coil variants. The NF..K series includes integrated surge protection and Push-in spring terminals for fast, secure and efficient wiring.
With a 24–60 V AC control voltage range and 20–60 V DC operation, the ABB 1SBH137005R1131 NF31EK-11 provides a 3 normally open + 1 normally closed auxiliary contact configuration for reliable control circuit switching in industrial installations.
Key Advantages
- Compact contactor relay for industrial control applications.
- Wide AC/DC control voltage range for flexible installations.
- 3 normally open + 1 normally closed auxiliary contacts for versatile control functions.
- Push-in spring terminals for fast and reliable wiring.
- Built-in surge protection eliminates the need for additional suppressors.
- Suitable for DIN rail or screw mounting in control panels.
Key Features
- ABB NF31EK-11 contactor relay.
- 24–60 V AC 50/60 Hz control voltage.
- 20–60 V DC control voltage.
- 3 normally open and 1 normally closed mechanically linked auxiliary contacts.
- Push-in spring terminal connections.
- 690 V rated operational voltage.
- Electronic coil interface with wide voltage tolerance.
- Designed for auxiliary and control circuit switching.
Reliable Switching for Industrial Control Systems
Contactor relays such as the ABB NF31EK-11 provide dependable switching of auxiliary circuits used in automation, machine control and electrical distribution systems. Their mechanically linked auxiliary contacts support reliable control logic, feedback signalling and interlocking functions within compact electrical assemblies.
The ABB NF contactor relay range is designed for panel builders and automation engineers requiring flexible voltage compatibility, efficient installation and dependable switching performance in modern industrial control systems.
Typical Applications
- Industrial automation control panels.
- Machine control and OEM equipment.
- PLC interface and signalling circuits.
- Motor control auxiliary circuits.
- Electrical distribution control systems.
- Industrial monitoring and switching applications.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 24 V, 42–48 V, 60–72 V | |
| Poles | 4-pole | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 3NO + 1NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF contactor relays | |
| Model | NF31EK-11 | |
| Part number | 1SBH137005R1131 | |
| Product type | Contactor relay | |
| Control voltage AC | 24–60 V AC at 50/60 Hz | |
| Control voltage DC | 20–60 V DC | |
| Actuation type | AC/DC electronic coil interface | |
| Number of poles | 4-pole | |
| Auxiliary contacts | 3 NO + 1 NC | |
| Rated operational voltage | 690 V AC | |
| Rated operational current AC-15 | 4 A at 220/240 V | |
| Conventional thermal current | 16 A | |
| Terminal type | Push-in spring terminals | |
| Mounting type | DIN rail / screw mounting | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 92.3 × 45 × 77 mm | |
| Weight | approx. 0.285 kg |
Frequently Asked Questions
What is the ABB 1SBH137005R1131 used for?
The ABB 1SBH137005R1131 NF31EK-11 is a contactor relay used for switching auxiliary and control circuits in industrial automation systems.
What control voltage does the ABB NF31EK-11 support?
The contactor relay supports 24–60 V AC and 20–60 V DC control voltage operation.
How many auxiliary contacts are included?
The ABB NF31EK-11 includes 4 mechanically linked auxiliary contacts consisting of 3 normally open and 1 normally closed contact.
What type of terminals does this contactor relay use?
The device uses Push-in spring terminals for fast and secure electrical connections.
Where is the ABB 1SBH137005R1131 installed?
The contactor relay is typically installed inside industrial control panels for automation, signalling and auxiliary switching applications.
Trusted by Industrial Automation Engineers Worldwide
ABB NF contactor relays are widely used in industrial control systems to provide reliable auxiliary switching, flexible configuration and efficient integration into modern automation equipment.
