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1SBH137001R1259 ABB NF51/11-12 Contactor 51A Auxiliary Contact 11 48-130V AC/DC Coil
ABB 1SBH137001R1259 NF51/11-12 contactor relay with 6 NO and 2 NC auxiliary contacts designed for industrial control circuit switching.
£54.03
Why Choose the ABB 1SBH137001R1259 NF51/11-12 Contactor Relay?
The ABB 1SBH137001R1259 is a flexible and reliable NF series contactor relay designed for switching auxiliary and control circuits in industrial automation, electrical panels and machinery control systems. As part of the advanced ABB NF contactor relay family, it provides wide control voltage compatibility, integrated surge protection and dependable auxiliary switching performance.
This contactor relay features an electronic coil interface capable of accepting a wide control voltage range, helping reduce the number of coil variants required for different installations. The NF series is designed for applications including auxiliary circuit switching, interlocking, signalling and industrial control functions where reliable operation is essential.
With an 8-pole auxiliary contact configuration, 48–130 V AC/DC control voltage range and a contact arrangement of 6 normally open and 2 normally closed contacts, the ABB 1SBH137001R1259 is ideal for industrial control systems, automation panels and auxiliary switching applications.
Key Advantages
- Compact ABB NF series contactor relay for industrial control applications.
- Eight auxiliary contact configuration for flexible control circuit switching.
- 48–130 V AC/DC electronic coil interface for global automation systems.
- Built-in surge protection removes the need for additional suppressors.
- Suitable for auxiliary, signalling and interlocking applications.
- DIN rail and screw mounting options for electrical control panels.
Key Features
- ABB NF contactor relay series.
- Model: NF51/11-12.
- 8 auxiliary contact poles.
- 6 normally open (NO) contacts.
- 2 normally closed (NC) contacts.
- 48–130 V AC 50/60 Hz control voltage.
- 48–130 V DC control voltage.
- Electronic coil interface with wide voltage tolerance.
- Front-mounted non-removable auxiliary contact block.
Reliable Control Switching for Industrial Automation
Contactor relays such as the ABB NF series provide dependable switching of auxiliary and control circuits within industrial automation systems. They are widely used for signal management, electrical interlocking, control logic and auxiliary switching duties where multiple contacts are required.
The ABB NF contactor relay range is designed for machine builders, panel manufacturers and automation engineers requiring flexible control components with reliable operation, compact installation and compatibility with industrial standards.
Typical Applications
- Industrial automation control panels.
- Motor control circuits and auxiliary switching.
- PLC interface and signalling applications.
- Machine building and OEM control systems.
- Electrical distribution and control equipment.
- Industrial interlocking and relay logic systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V, 42–48 V, 60–72 V | |
| Poles | 8-pole | |
| Device Type | Auxiliary contact block | |
| Auxiliary Contacts | 6NO + 2NC | |
| Manufacturer | ABB | |
| Series | NF Contactor Relays | |
| Model | 1SBH137001R1259 | |
| Alternative designation | NF51/11-12 | |
| Product type | Auxiliary contactor relay | |
| Number of poles | 8 | |
| Auxiliary contacts | 6 NO + 2 NC | |
| Control voltage AC | 48–130 V AC 50/60 Hz | |
| Control voltage DC | 48–130 V DC | |
| Rated operational current | 4 A | |
| Rated operational voltage | Up to 690 V AC | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail or screw mounting | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 94 × 111 × 86 mm | |
| Weight | approx. 0.32 kg |
Frequently Asked Questions
What is the ABB 1SBH137001R1259 used for?
The ABB 1SBH137001R1259 is an NF series contactor relay used for switching auxiliary and control circuits in industrial automation systems.
What control voltage does this contactor relay support?
The contactor relay supports a wide 48–130 V AC/DC control voltage range through its electronic coil interface.
How many auxiliary contacts does the ABB 1SBH137001R1259 have?
The contactor relay has 6 normally open contacts and 2 normally closed contacts.
Does this contactor relay require a separate surge suppressor?
No, the ABB 1SBH137001R1259 includes built-in surge protection to improve reliability and simplify installation.
Where is this contactor relay typically installed?
The contactor relay is typically installed inside electrical control panels, automation systems and industrial machinery cabinets.
Trusted by Industrial Engineers Worldwide
ABB NF contactor relays are widely used by automation professionals and machine builders for reliable auxiliary switching, flexible control integration and dependable industrial operation.
