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1SBH137005R1471 ABB NF71EK-14 Contactor 71A 250-500V AC/DC Coil
ABB NF71EK-14 is an 8-pole contactor relay with 7 NO and 1 NC contacts, Push-in Spring terminals and a wide 250–500 V AC/DC control voltage range for switching industrial auxiliary and control circuits.
£64.95
Why Choose the ABB NF71EK-14 Contactor Relay?
The ABB NF71EK-14, order code 1SBH137005R1471, is an 8-pole contactor relay designed for reliable switching of auxiliary and control circuits in industrial electrical and automation systems. As part of the ABB NF contactor relay range, it combines seven normally open contacts and one normally closed contact with Push-in Spring terminals for fast and dependable wiring.
The NF71EK-14 features ABB's electronic coil interface with a wide 250–500 V AC 50/60 Hz and 250–500 V DC control voltage range. This wide-range coil is designed to accommodate control-voltage variations without requiring a coil change, while integrated surge suppression eliminates the need for an additional external surge suppressor.
With 7 NO and 1 NC auxiliary contacts, a conventional free-air thermal current of 16 A and a rated auxiliary-circuit operational voltage of 690 V, the NF71EK-14 is suited to control panels, machine automation and industrial switching applications. Its compact 45 mm-wide construction and Push-in Spring connection technology support efficient panel installation and wiring.
Key Advantages
- Compact 8-pole contactor relay for auxiliary and control circuits.
- 7 NO and 1 NC contact configuration for flexible control applications.
- Wide 250–500 V AC/DC control voltage range.
- Push-in Spring terminals enable fast and reliable wiring.
- Integrated surge protection reduces the need for additional suppression components.
- Mechanically linked auxiliary contacts support dependable industrial control functions.
Key Features
- ABB NF contactor relay series.
- 8-pole configuration with 7 NO and 1 NC contacts.
- 250–500 V AC 50/60 Hz control voltage.
- 250–500 V DC control voltage.
- 690 V rated auxiliary-circuit operational voltage.
- 16 A conventional free-air thermal current.
- Electronic coil interface with built-in surge protection.
- Push-in Spring terminals for efficient control-panel wiring.
Reliable Switching for Industrial Control Circuits
Contactor relays such as the ABB NF71EK-14 are designed to switch auxiliary and control circuits used throughout industrial automation systems. The eight-pole arrangement provides seven normally open and one normally closed contact, allowing a single device to perform multiple signalling, interlocking and control functions within an electrical panel.
The NF contactor relay series combines an electronic wide-range coil interface with built-in surge protection and Push-in Spring connection technology. These features simplify panel wiring, accommodate variations in control supply voltage and provide a compact solution for machine builders, panel builders and industrial automation engineers.
Typical Applications
- Industrial control and automation panels.
- Machine control circuits.
- Electrical interlocking circuits.
- PLC and automation control systems.
- Motor control centres and starter panels.
- OEM machinery and production equipment.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 200–250 V, 380–440 V, 460–500 V | |
| Poles | 8-pole | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 7NO + 1NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF | |
| Model | NF71EK-14 | |
| Order code | 1SBH137005R1471 | |
| EAN / GTIN | 3471523152847 | |
| Product type | Contactor relay | |
| Number of poles | 8 | |
| Auxiliary contacts | 7 NO + 1 NC | |
| Control voltage, AC | 250–500 V AC, 50/60 Hz | |
| Control voltage, DC | 250–500 V DC | |
| Rated operational voltage, auxiliary circuit | 690 V | |
| Conventional free-air thermal current | 16 A | |
| Rated short-time withstand current, 0.1 s | 140 A | |
| Rated short-time withstand current, 1 s | 100 A | |
| Auxiliary terminal protection rating | IP20 | |
| Coil terminal protection rating | IP20 | |
| Terminal type | Push-in Spring terminals | |
| Dimensions (H × W × D) | 92.3 × 45 × 110.5 mm | |
| Weight | 0.37 kg |
Frequently Asked Questions
What is the ABB NF71EK-14 used for?
The NF71EK-14 is a contactor relay designed for switching auxiliary and control circuits in industrial electrical and automation systems.
How many contacts does the ABB NF71EK-14 have?
The NF71EK-14 is an eight-pole contactor relay with 7 normally open contacts and 1 normally closed contact.
What control voltage does the NF71EK-14 require?
The NF71EK-14 accepts a wide control voltage range of 250–500 V AC at 50/60 Hz and 250–500 V DC.
What type of terminals does the ABB NF71EK-14 use?
The NF71EK-14 uses Push-in Spring terminals, providing fast and reliable connections for control-panel wiring.
Does the NF71EK-14 include surge protection?
Yes. The NF71EK-14 has built-in surge protection, so an additional external surge suppressor is not required for the coil.
Trusted ABB Industrial Control Technology
ABB NF contactor relays combine wide-range electronic coil technology, mechanically linked auxiliary contacts and efficient Push-in Spring connections for dependable switching of auxiliary and control circuits in modern industrial automation systems.
