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1SBH137005R1231 ABB NF31EK-12 Contactor 31A 48-130V AC/DC Coil
ABB 1SBH137005R1231 NF31EK-12 contactor relay with 48–130 V AC/DC coil operation and 3 NO plus 1 NC auxiliary contacts for industrial control applications.
£34.99
Why Choose the ABB 1SBH137005R1231 Contactor Relay?
The ABB 1SBH137005R1231 is a compact and reliable contactor relay designed for switching auxiliary and control circuits in industrial automation systems, electrical control panels and machine applications. As part of the ABB NF31EK-12 contactor relay series, it provides dependable switching performance with an electronic coil interface capable of handling a wide control voltage range.
This ABB contactor relay features a compact 4-pole configuration with 3 normally open and 1 normally closed auxiliary contacts. The Push-In spring terminal connection system enables fast installation while maintaining reliable electrical connections in modern industrial control systems.
With a 48–130 V AC/DC coil supply, a 3 A rated operational current at 400 V and a 3 NO + 1 NC auxiliary contact configuration, the 1SBH137005R1231 is suitable for flexible control circuit switching applications where dependable operation and long service life are required.
Key Advantages
- Compact ABB NF contactor relay for industrial control applications.
- 3 NO + 1 NC auxiliary contact configuration for flexible circuit switching.
- 48–130 V AC/DC coil range for versatile system integration.
- Electronic coil interface supports wide control voltage variations.
- Push-In spring terminals enable quick and reliable wiring.
- Mechanically linked auxiliary contacts support reliable control system design.
Key Features
- ABB NF31EK-12 contactor relay series.
- 4-pole contactor relay configuration.
- 3 normally open (NO) auxiliary contacts.
- 1 normally closed (NC) auxiliary contact.
- 48–130 V AC 50 / 60 Hz control voltage.
- 48–130 V DC control voltage.
- Push-In spring terminal connection technology.
- Built-in surge protection without additional suppressors.
Reliable Auxiliary Control for Industrial Automation
Contactor relays such as the ABB 1SBH137005R1231 provide reliable switching of auxiliary circuits used in industrial machinery, automation equipment and electrical control systems. They allow control signals to operate additional circuits while maintaining dependable electrical performance.
The ABB NF contactor relay family combines compact construction, flexible AC/DC coil operation and efficient Push-In terminal technology. These features make the series suitable for machine builders, OEM systems and industrial automation engineers requiring dependable control components.
Typical Applications
- Industrial automation control panels.
- Machine building and OEM equipment.
- Electrical control cabinets.
- PLC-controlled automation systems.
- Auxiliary switching circuits.
- Industrial process control installations.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V, 42–48 V, 60–72 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 110 V AC, 110 V DC, 115 V AC, 120 V AC, 125 V DC, 48 V AC, 48 V DC, 60 V DC, 72 V DC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 3NO + 1NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF Contactor Relays | |
| Model | 1SBH137005R1231 | |
| Alternative designation | NF31EK-12 | |
| Product type | Contactor relay | |
| Coil / Supply Voltage | 48–130 V AC/DC | |
| Number of poles | 4 | |
| Auxiliary contacts | 3 NO + 1 NC | |
| Rated operational voltage | 690 V AC | |
| Rated operational current | 3 A at 400 V | |
| Conventional free-air 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 1SBH137005R1231 used for?
The ABB 1SBH137005R1231 is a contactor relay used for switching auxiliary and control circuits in industrial automation and electrical control systems.
How many auxiliary contacts does this contactor relay have?
The relay provides 3 normally open (NO) and 1 normally closed (NC) auxiliary contacts for flexible control circuit switching.
What coil voltage does the ABB 1SBH137005R1231 require?
The contactor relay operates from a 48–130 V AC supply at 50 / 60 Hz or a 48–130 V DC supply.
What series does the ABB 1SBH137005R1231 belong to?
The ABB 1SBH137005R1231 belongs to the NF31EK-12 contactor relay series.
Where is this contactor relay typically installed?
The relay is typically installed in industrial control panels, automation cabinets and electrical systems requiring reliable auxiliary switching.
Trusted by Industrial Automation Engineers
ABB NF contactor relays are widely used by automation engineers and machine builders to provide reliable auxiliary switching, efficient installation and dependable control system performance.
