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1SBH137005R1331 ABB NF31EK-13 Contactor 31A 100-250V AC/DC Coil
ABB NF31EK-13 contactor relay with 3 NO and 1 NC auxiliary contacts and 100-250 V AC/DC control voltage range designed for industrial control circuits.
£34.99
Why Choose the ABB NF31EK-13 Contactor Relay?
The ABB NF31EK-13 is a compact and reliable contactor relay designed for switching auxiliary and control circuits in industrial automation and electrical control applications. As part of the ABB NF contactor relay range, it combines advanced electronic coil technology with flexible control voltage capability for dependable operation in modern industrial systems.
This contactor relay features a 4-pole block design with Push-In spring terminals for fast and secure wiring. The NF31EK-13 includes built-in surge protection and mechanically linked auxiliary contacts compliant with IEC 60947-5-1, providing a compact solution for demanding control applications.
With 3 normally open + 1 normally closed auxiliary contacts and a 100–250 V AC 50/60 Hz and DC control voltage range, the ABB NF31EK-13 provides flexible switching performance for industrial automation and control circuits.
Key Advantages
- Compact contactor relay designed for auxiliary and control circuit switching.
- 3 NO + 1 NC auxiliary contact configuration for flexible control designs.
- 100–250 V AC/DC control voltage range reduces coil selection requirements.
- Integrated surge protection eliminates the need for additional suppressors.
- Push-In spring terminals enable quick and reliable wiring.
- Mechanically linked auxiliary contacts support safety-related applications.
Key Features
- ABB NF contactor relay series.
- 4 auxiliary contacts: 3 NO + 1 NC.
- 100–250 V AC 50/60 Hz and DC control voltage.
- Push-In spring terminal technology.
- Electronic coil interface for wide voltage acceptance.
- Built-in surge protection.
- Mechanically linked auxiliary contacts compliant with IEC 60947-5-1.
Reliable Control Circuit Switching
Contactor relays such as the ABB NF31EK-13 are used for switching auxiliary and control circuits in industrial machinery, automation equipment and electrical control systems. Their wide control voltage range allows simplified stock management while maintaining reliable operation across different network conditions.
The ABB NF range combines electronic coil technology, integrated protection and fast Push-In wiring connections to deliver efficient control circuit switching for modern industrial installations.
Typical Applications
- Industrial automation control panels.
- Machine building and production equipment.
- PLC interface and signalling circuits.
- Control circuit switching applications.
- Industrial electrical systems.
- Automation and manufacturing equipment.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V, 200–250 V | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 240 V AC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 3NO + 1NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF Contactors | |
| Model | NF31EK-13 | |
| Product type | Contactor relay | |
| Product ID | 1SBH137005R1331 | |
| Auxiliary contacts | 3 NO + 1 NC | |
| Control voltage | 100–250 V AC 50/60 Hz / DC | |
| Rated operational voltage | 690 V | |
| Conventional free-air thermal current | 16 A | |
| Terminal type | Push-In spring terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 92.3 × 45 × 77 mm | |
| Weight | approx. 0.285 kg |
Frequently Asked Questions
What is the ABB NF31EK-13 used for?
The ABB NF31EK-13 is used for switching auxiliary and control circuits in industrial automation and electrical control applications.
How many auxiliary contacts does this contactor relay have?
The NF31EK-13 features 4 auxiliary contacts consisting of 3 normally open and 1 normally closed contacts.
What control voltage range does the ABB NF31EK-13 support?
The NF31EK-13 supports a 100–250 V AC 50/60 Hz and DC control voltage range.
Does the contactor relay include surge protection?
The ABB NF31EK-13 includes integrated surge protection as part of its electronic coil interface.
What type of terminals are fitted?
The NF31EK-13 uses Push-In spring terminals for fast and secure electrical connections.
Trusted by Automation Engineers Worldwide
ABB NF contactor relays are widely used in industrial automation and control applications to deliver reliable auxiliary switching, flexible voltage handling and dependable system integration.
