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1SBH131005R8431 ABB NFC31EK-84 Block Contactor 31A 110-120V 50/60Hz Coil
ABB 1SBH131005R8431 NFC31EK-84 contactor relay with 3NO and 1NC auxiliary contacts designed for industrial control and automation switching applications.
£32.43
Why Choose the ABB 1SBH131005R8431 NFC31EK-84 Contactor Relay?
The ABB 1SBH131005R8431 is a compact and reliable NFC31EK-84 contactor relay designed for switching auxiliary and control circuits in industrial automation, electrical panels and control systems. As part of the proven ABB NF contactor relay series, it provides dependable switching performance, compact installation and reliable operation in demanding industrial environments.
This contactor relay features an electromagnetic AC coil, mechanically linked auxiliary contacts and a compact block design. The NFC series is developed for industrial control applications where reliable auxiliary switching, long service life and straightforward DIN rail installation are required. It can also be extended with ABB auxiliary contact blocks and accessories for flexible system integration.
With a 3 normally open and 1 normally closed auxiliary contact configuration, a 110 V AC 50 Hz / 110–120 V AC 60 Hz coil supply and operation up to 690 V AC, the ABB 1SBH131005R8431 is ideal for automation systems, PLC interfaces, motor control circuits and industrial switching applications requiring dependable auxiliary contact operation.
Key Advantages
- Compact contactor relay designed for auxiliary and control circuit switching.
- 3NO + 1NC auxiliary contact configuration for flexible control applications.
- 110 V AC coil supply suitable for industrial control systems.
- Mechanically linked auxiliary contacts improve switching reliability.
- Screw terminal connections provide secure and simple wiring.
- Suitable for automation panels, machine building and industrial control applications.
Key Features
- ABB NFC31EK-84 contactor relay series.
- 4-pole contactor relay design.
- 3 normally open auxiliary contacts.
- 1 normally closed auxiliary contact.
- 110 V AC 50 Hz coil voltage.
- 110–120 V AC 60 Hz coil voltage.
- 16 A conventional free-air thermal current.
- 690 V AC rated operational voltage.
- Screw terminal connection technology.
- DIN rail and screw mounting capability.
- Compatible with ABB AF platform accessories.
Reliable Control Switching for Industrial Automation
Contactor relays such as the ABB NFC31EK-84 provide reliable switching of auxiliary circuits used in automation systems, electrical panels and industrial control equipment. They allow control signals to be distributed efficiently while maintaining dependable operation in demanding environments.
The ABB NF series combines compact construction, robust contact technology and flexible installation options, making it suitable for machine builders, panel manufacturers and automation engineers requiring reliable control circuit solutions.
Typical Applications
- Industrial control panels and electrical cabinets.
- PLC interface and automation control circuits.
- Motor starter assemblies.
- Machine building and OEM equipment.
- Auxiliary switching and interlock circuits.
- Industrial process control systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 3NO + 1NC | |
| Coil Type | AC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF Contactor Relays | |
| Model | 1SBH131005R8431 | |
| Product type | Contactor relay | |
| Type designation | NFC31EK-84 | |
| Number of poles | 4-pole | |
| Auxiliary contacts | 3NO + 1NC | |
| Control voltage | 110 V AC 50 Hz / 110–120 V AC 60 Hz | |
| Rated operational voltage | Up to 690 V AC | |
| Conventional free-air thermal current | 16 A | |
| Rated operational current AC-15 | 4 A at 220/240 V AC | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail / screw mounting | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 92.3 × 45 × 77 mm | |
| Weight | approx. 0.314 kg |
Frequently Asked Questions
What is the ABB 1SBH131005R8431 used for?
The ABB 1SBH131005R8431 is an NFC31EK-84 contactor relay used for switching auxiliary and control circuits in industrial automation and electrical control systems.
How many contacts does this contactor relay have?
The contactor relay features 3 normally open contacts and 1 normally closed contact for flexible control circuit switching.
What coil voltage does the ABB 1SBH131005R8431 require?
The contactor relay operates with a 110 V AC 50 Hz and 110–120 V AC 60 Hz control supply.
What is the maximum voltage rating of this contactor relay?
The ABB 1SBH131005R8431 has a rated operational voltage of up to 690 V AC.
How is this contactor relay installed?
The contactor relay can be installed using DIN rail or screw mounting methods within industrial control assemblies.
Trusted by Industrial Automation Professionals
ABB NF contactor relays are widely used by automation engineers and machine builders to provide reliable auxiliary switching, efficient control panel design and dependable industrial operation.
