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1SBH136005R2144 ABB NFZ44EK-21 Electronic Coil Contactor 44A 48V AC Coil
ABB 1SBH136005R2144 NFZ44EK-21 contactor relay with 4 NO and 4 NC auxiliary contacts and 24–60 V AC/DC coil control for industrial automation switching applications.
£103.40
Why Choose the ABB 1SBH136005R2144 Contactor Relay?
The ABB 1SBH136005R2144 is a compact and reliable contactor relay designed for switching and controlling auxiliary circuits in industrial automation, control panels and electrical systems. As part of the ABB NFZ44EK-21 contactor relay series, it provides dependable switching performance with a wide-range electronic coil interface and flexible integration options for modern control applications.
This contactor relay is engineered for reliable auxiliary and control circuit switching, featuring an electronic coil interface capable of accepting wide control voltage variations, built-in surge protection and push-in spring terminals for fast and secure wiring. The NFZ series supports direct PLC control and efficient operation in industrial installations.
With a 24–60 V AC 50/60 Hz and 20–60 V DC coil supply, 4 normally open and 4 normally closed auxiliary contacts, and an 8-pole configuration, the ABB 1SBH136005R2144 is ideal for automation systems, machine control applications and electrical switching circuits requiring dependable auxiliary control.
Key Advantages
- Reliable ABB NFZ contactor relay for industrial control applications.
- 4 NO + 4 NC auxiliary contact configuration for flexible switching and signalling functions.
- 24–60 V AC/DC wide-range coil operation for versatile system integration.
- Built-in surge protection eliminates the need for additional suppressors.
- Push-in spring terminals provide fast and reliable wiring.
- Compact DIN rail mounting design for efficient control cabinet installation.
Key Features
- ABB NFZ44EK-21 contactor relay series.
- 4 normally open auxiliary contacts.
- 4 normally closed auxiliary contacts.
- 24–60 V AC 50/60 Hz coil voltage.
- 20–60 V DC coil voltage.
- 3 A rated operational current at 400 V.
- 16 A conventional thermal current.
- Direct PLC output control capability.
- Push-in spring terminal connection technology.
- Mechanically linked auxiliary contacts.
Reliable Control Switching for Industrial Systems
Contactor relays such as the ABB 1SBH136005R2144 provide dependable switching of auxiliary and control circuits within industrial automation systems. Their compact design allows engineers to implement reliable signalling, interlocking and control functions while conserving valuable panel space.
The ABB NFZ series is designed for modern automation environments where flexible voltage handling, efficient operation and reliable switching performance are essential. The wide-range electronic coil interface, surge protection and mechanically linked contacts simplify installation and improve system reliability.
Typical Applications
- Industrial automation control panels.
- PLC interface and control circuits.
- Machine building and OEM equipment.
- Electrical interlocking systems.
- Industrial signalling applications.
- Auxiliary switching and monitoring circuits.
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 | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NFZ44EK-21 | |
| Model | 1SBH136005R2144 | |
| Product type | Contactor relay | |
| Contact configuration | 4 NO + 4 NC auxiliary contacts | |
| Number of poles | 8-pole | |
| Control voltage | 24–60 V AC 50/60 Hz / 20–60 V DC | |
| Rated operational current | 3 A at 400 V | |
| Conventional thermal current | 16 A | |
| Rated operational voltage | up to 690 V AC | |
| Rated insulation voltage | 690 V | |
| 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 × 110.5 mm | |
| Weight | approx. 0.38 kg |
Frequently Asked Questions
What is the ABB 1SBH136005R2144 used for?
The ABB 1SBH136005R2144 is a contactor relay used for switching auxiliary and control circuits in industrial automation systems.
What coil voltage does this contactor relay require?
The contactor relay operates with a 24–60 V AC 50/60 Hz or 20–60 V DC wide-range coil supply.
How many contacts are included?
The ABB 1SBH136005R2144 includes 4 normally open contacts and 4 normally closed contacts.
What is the rated operational current?
The contactor relay has a rated operational current of 3 A at 400 V.
Where is this contactor relay installed?
The contactor relay is typically installed inside electrical control panels using DIN rail or screw mounting methods.
Trusted by Industrial Automation Professionals
ABB NFZ contactor relays provide compact and reliable auxiliary switching solutions for automation engineers, machine builders and electrical panel manufacturers requiring dependable control circuit management.
