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1SBH137005R1371 ABB NF71EK-13 Contactor 71A 100-250V AC/DC Coil
ABB 1SBH137005R1371 NF71EK-13 is an 8-pole contactor relay with seven normally open and one normally closed mechanically linked auxiliary contacts, a 100–250 V AC/DC electronic coil, integrated surge protection and Push-in Spring terminals.
£64.95
Why Choose the ABB 1SBH137005R1371 NF71EK-13 Contactor Relay?
The ABB 1SBH137005R1371, also designated NF71EK-13, is a high-performance 8-pole contactor relay designed for reliable switching of auxiliary and control circuits in industrial automation and electrical control systems. As part of the advanced ABB NF contactor relay series, it combines seven normally open and one normally closed mechanically linked auxiliary contacts in a compact block-type design.
The NF71EK-13 incorporates ABB AF electronic coil technology, providing a wide 100–250 V AC/DC control voltage range. This wide-range electronic coil can accommodate variations in control voltage and simplifies equipment design for applications used across different electrical networks. Integrated surge protection further reduces the need for external coil suppression components.
Featuring Push-in Spring terminals, the NF71EK-13 enables fast, secure and maintenance-friendly wiring in industrial control panels. Its mechanically linked auxiliary contacts comply with Annex L of IEC 60947-5-1, while a rated operational voltage of up to 690 V and conventional free-air thermal current of 16 A provide robust performance for demanding control and signalling applications.
Key Advantages
- Compact 8-pole contactor relay for auxiliary and control circuits.
- 7 normally open + 1 normally closed contacts for versatile control configurations.
- Wide 100–250 V AC/DC electronic coil suitable for 50/60 Hz AC and DC control supplies.
- Push-in Spring terminals provide fast and reliable conductor connection.
- Integrated surge protection eliminates the need for an additional coil surge suppressor.
- Mechanically linked auxiliary contacts support dependable industrial interlocking applications.
Key Features
- ABB NF71EK-13 contactor relay.
- 8 auxiliary contacts with 7 NO + 1 NC configuration.
- 100–250 V AC 50/60 Hz and DC control voltage.
- 690 V rated operational voltage.
- 16 A conventional free-air thermal current.
- 3 A AC-15 operational current at 400–440 V.
- Mechanically linked contacts compliant with IEC 60947-5-1 Annex L.
- Built-in surge suppression for the electronic coil.
- Push-in Spring terminal connections for efficient panel wiring.
- DIN rail or screw mounting for flexible installation.
Reliable Auxiliary Switching for Industrial Automation
Contactor relays such as the ABB NF71EK-13 provide electrically controlled switching for auxiliary, signalling and interlocking circuits. Its eight mechanically linked contacts allow multiple control functions to be switched simultaneously, making the relay particularly useful in motor control, machine automation and complex electrical control sequences.
ABB AF electronic coil technology enables the NF series to operate across wide control voltage ranges while managing voltage fluctuations in industrial networks. Combined with integrated surge protection and Push-in Spring wiring technology, the NF71EK-13 provides an efficient and flexible solution for modern industrial control-panel design.
Typical Applications
- Industrial machinery control circuits.
- Motor starter and motor control assemblies.
- PLC and automation control panels.
- Electrical interlocking and sequencing circuits.
- Signalling and status indication systems.
- Conveyors and material handling equipment.
- OEM machinery and production 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 | |
| Poles | 8-pole | |
| Coil / Supply Voltage | 110 V AC, 110 V DC, 115 V AC, 120 V AC, 125 V DC, 208 V AC, 220 V AC, 220 V DC, 230 V AC, 240 V AC, 250 V DC | |
| Device Type | Contactor relay | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF Contactor Relays | |
| Model | NF71EK-13 | |
| Order code | 1SBH137005R1371 | |
| Product type | Contactor relay | |
| Number of poles | 8 | |
| Normally open contacts | 7 | |
| Normally closed contacts | 1 | |
| Control voltage | 100–250 V AC/DC | |
| AC control frequency | 50 / 60 Hz | |
| Rated operational voltage | 690 V | |
| Rated insulation voltage | 690 V | |
| Conventional free-air thermal current | 16 A | |
| Rated operational current AC-15 at 220–240 V | 4 A | |
| Rated operational current AC-15 at 400–440 V | 3 A | |
| Rated operational current AC-15 at 500 V | 2 A | |
| Rated operational current AC-15 at 690 V | 2 A | |
| Rated impulse withstand voltage | 6 kV | |
| Terminal type | Push-in Spring terminals | |
| Protection rating | IP20 at auxiliary and coil terminals | |
| Mounting type | DIN rail / screw mounting | |
| Maximum mechanical switching frequency | 6000 cycles per hour | |
| Maximum operating altitude | 3000 m | |
| Dimensions (H × W × D) | 92.3 × 45 × 110.5 mm | |
| Weight | approx. 0.33 kg | |
| EAN / GTIN | 3471523152830 |
Frequently Asked Questions
What is the ABB 1SBH137005R1371 used for?
The ABB 1SBH137005R1371 is an 8-pole contactor relay used for switching auxiliary and control circuits in industrial machinery, motor control systems and automation panels.
How many contacts does the ABB NF71EK-13 have?
The NF71EK-13 has eight mechanically linked auxiliary contacts, comprising seven normally open (NO) and one normally closed (NC) contact.
What control voltage does the NF71EK-13 support?
The relay incorporates a wide-range electronic coil designed for 100–250 V AC at 50/60 Hz and 100–250 V DC.
Does the ABB NF71EK-13 require an external surge suppressor?
No. The NF71EK-13 incorporates built-in surge protection, so an additional coil surge suppressor is normally unnecessary.
What type of terminals does the NF71EK-13 use?
The NF71EK-13 uses Push-in Spring terminals, providing quick and secure conductor connections for efficient industrial control-panel wiring.
Trusted by Industrial Automation Professionals
ABB NF contactor relays provide dependable auxiliary switching for industrial control and automation systems, combining wide-range electronic coil technology, mechanically linked contacts, integrated surge protection and efficient Push-in Spring wiring.
