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1SBH137005R1144 ABB NF44EK-11 Contactor 44A 24-60V AC/DC Coil
ABB 1SBH137005R1144 NF44EK-11 contactor relay with 4 normally open and 4 normally closed auxiliary contacts and 24–60 V AC/DC control voltage for industrial automation systems.
£64.95
Why Choose the ABB 1SBH137005R1144 NF44EK-11 Contactor Relay?
The ABB 1SBH137005R1144 is a compact and advanced NF44EK-11 contactor relay designed for switching and controlling auxiliary circuits in industrial automation, electrical control panels and machine systems. As part of the ABB NF contactor relay range, it provides reliable AC/DC operation, flexible control voltage compatibility and efficient integration into modern automation applications.
This contactor relay features an 8-pole auxiliary contact configuration with 4 normally open and 4 normally closed contacts, combined with push-in spring terminals for fast and secure wiring. The NF..K series includes an electronic coil interface, built-in surge protection and mechanically linked auxiliary contacts for dependable operation in demanding control environments.
With a 24–60 V AC 50/60 Hz and 20–60 V DC control supply range, the ABB 1SBH137005R1144 NF44EK-11 is ideal for PLC interface circuits, signalling systems, industrial control panels and automation installations requiring compact and reliable switching technology.
Key Advantages
- Compact ABB NF contactor relay designed for industrial control applications.
- 4 normally open and 4 normally closed auxiliary contacts for flexible circuit switching.
- 24–60 V AC / 20–60 V DC control voltage range for versatile automation systems.
- Electronic coil interface supports AC and DC operation.
- Push-in spring terminals provide fast and reliable wiring connections.
- Built-in surge protection eliminates the need for additional suppressors.
Key Features
- ABB NF44EK-11 contactor relay series.
- 4 normally open auxiliary contacts.
- 4 normally closed auxiliary contacts.
- 24–60 V AC 50/60 Hz control voltage.
- 20–60 V DC control voltage.
- 16 A conventional free-air thermal current.
- 3 A rated operational current at 400 V.
- Push-in spring terminal connection technology.
- Mechanically linked auxiliary contacts compliant with IEC requirements.
Reliable Control Switching for Industrial Automation
Contactor relays such as the ABB NF44EK-11 provide dependable switching of auxiliary and control circuits within industrial electrical systems. They allow PLC systems, automation equipment and machinery control panels to manage electrical signals efficiently while maintaining reliable long-term performance.
The ABB NF contactor relay range is designed for machine builders and automation engineers requiring compact components with flexible voltage compatibility, reduced wiring time and dependable operation. The integrated electronic coil interface and push-in terminal technology simplify installation while improving system reliability.
Typical Applications
- Industrial automation control panels.
- PLC interface and signalling circuits.
- Machine building and OEM equipment.
- Electrical control and monitoring systems.
- Industrial switching applications.
- Process automation 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 | |
| Poles | 8-pole | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC, 60 V DC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 4NO | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF Contactors / AF Platform | |
| Model | 1SBH137005R1144 | |
| Product type | Contactor relay | |
| Alternative designation | NF44EK-11 | |
| Control voltage | 24–60 V AC 50/60 Hz / 20–60 V DC | |
| Actuation type | AC/DC electronic coil interface | |
| Auxiliary contacts | 4 normally open + 4 normally closed | |
| Number of poles | 8-pole | |
| Rated operational voltage | 690 V | |
| Rated operational current | 3 A at 400 V | |
| Rated operational current AC-15 | 4 A at 220–240 V | |
| Conventional thermal current | 16 A | |
| Rated impulse withstand voltage | 6 kV | |
| Mounting type | DIN rail / screw mounting | |
| Terminal type | Push-in spring terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 92.3 × 45 × 77 mm | |
| Weight | approx. 0.330 kg |
Frequently Asked Questions
What is the ABB 1SBH137005R1144 used for?
The ABB 1SBH137005R1144 NF44EK-11 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 ABB 1SBH137005R1144 includes 8 auxiliary contacts consisting of 4 normally open and 4 normally closed contacts.
What control voltage does the ABB 1SBH137005R1144 require?
The contactor relay operates with a 24–60 V AC 50/60 Hz or 20–60 V DC control supply.
What type of terminals does this contactor relay use?
The ABB 1SBH137005R1144 uses push-in spring terminals for fast and secure electrical connections.
Where is this contactor relay typically installed?
The contactor relay is typically installed inside electrical control panels, machinery cabinets and industrial automation systems.
Trusted by Industrial Automation Professionals
ABB NF contactor relays are widely used by machine builders and control engineers to deliver reliable auxiliary switching, flexible control integration and dependable performance in modern industrial systems.
