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1SBH136005R2131 ABB NFZ31EK-21 Electronic Coil Contactor 31A 48V AC Coil
ABB 1SBH136005R2131 NFZ31EK-21 contactor relay with 24–60 V AC and 20–60 V DC coil operation plus 3 NO and 1 NC auxiliary contacts for industrial control applications.
£67.76
Why Choose the ABB 1SBH136005R2131 Contactor Relay?
The ABB 1SBH136005R2131 is a compact and reliable contactor relay designed for switching auxiliary and control circuits in industrial automation systems, electrical panels and machine control applications. As part of the ABB NFZ31EK-21 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 4-pole mechanically linked auxiliary contact design with push-in spring terminals, allowing fast installation and reliable connections in modern control systems. The NFZ series is developed for applications requiring compact dimensions, flexible control voltages and efficient auxiliary circuit management.
With a 24–60 V AC coil supply at 50 / 60 Hz and 20–60 V DC coil operation, the 1SBH136005R2131 provides flexible control integration for industrial automation equipment. It includes 3 normally open and 1 normally closed auxiliary contacts for versatile circuit switching.
Key Advantages
- Compact ABB NFZ contactor relay for industrial control applications.
- 3 NO + 1 NC auxiliary contact configuration for flexible switching requirements.
- 24–60 V AC / 20–60 V DC coil range for versatile control system integration.
- Electronic coil interface supports wide voltage variations.
- Push-in spring terminals enable quick and reliable wiring.
- Mechanically linked contacts support enhanced control system safety.
Key Features
- ABB NFZ31EK-21 contactor relay series.
- 4-pole auxiliary contactor relay design.
- 3 normally open (NO) auxiliary contacts.
- 1 normally closed (NC) auxiliary contact.
- 24–60 V AC 50 / 60 Hz control voltage.
- 20–60 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 1SBH136005R2131 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 NFZ contactor relay family is designed with energy-efficient electronic coil technology, flexible control voltage capability and compact construction. These features make the series suitable for machine builders, OEM systems and industrial automation engineers requiring reliable control components.
Typical Applications
- Industrial automation control panels.
- Machine building and OEM equipment.
- Motor control auxiliary circuits.
- Electrical distribution and control cabinets.
- PLC-controlled automation systems.
- Industrial process control installations.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 24 V, 42–48 V, 60–72 V | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC, 60 V DC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 3NO + 1NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NFZ Contactor Relays | |
| Model | 1SBH136005R2131 | |
| Product type | Contactor relay | |
| Alternative designation | NFZ31EK-21 | |
| Coil / Supply Voltage | 24–60 V AC 50 / 60 Hz, 20–60 V DC | |
| 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. 0.31 kg |
Frequently Asked Questions
What is the ABB 1SBH136005R2131 used for?
The ABB 1SBH136005R2131 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 1SBH136005R2131 require?
The contactor relay operates from a 24–60 V AC supply at 50 / 60 Hz or a 20–60 V DC supply.
What series does the ABB 1SBH136005R2131 belong to?
The ABB 1SBH136005R2131 belongs to the NFZ31EK-21 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 NFZ contactor relays are widely used by automation engineers and machine builders to provide reliable auxiliary switching, efficient installation and dependable control system performance.
