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1SBH136005R2044 ABB NFZ44EK-20 Electronic Coil Contactor 44A 24V AC Coil
ABB 1SBH136005R2044 NFZ44EK-20 is an 8-pole DC-operated contactor relay with 4NO + 4NC auxiliary contacts, push-in spring terminals and a 12–20 V DC control supply.
£103.40
Why Choose the ABB NFZ44EK-20 Contactor Relay?
The ABB 1SBH136005R2044, type NFZ44EK-20, is a compact contactor relay designed for switching auxiliary and control circuits in industrial automation, machinery and electrical control systems. Part of ABB’s NFZ contactor relay range, it combines an electronic coil interface with push-in spring terminals for fast and reliable installation. ([library.e.abb.com](https://library.e.abb.com/public/87704f1344054d8ca8ce92b7fe3998cc/02_Control_ContractorsandOverloadRelays.pdf?utm_source=chatgpt.com))
The NFZ44EK-20 features four normally open and four normally closed auxiliary contacts (4NO + 4NC) in an 8-pole contactor relay arrangement. Its electronic coil interface operates from a 12–20 V DC control voltage range, providing dependable switching for automation and control applications.
With a 16 A conventional free-air thermal current, auxiliary circuit ratings up to 690 V AC and mechanically linked auxiliary contacts compliant with IEC 60947-5-1, the NFZ44EK-20 provides reliable auxiliary switching in industrial control systems. Its push-in spring terminals enable quicker wiring compared with traditional screw-terminal connections. ([library.e.abb.com](https://library.e.abb.com/public/87704f1344054d8ca8ce92b7fe3998cc/02_Control_ContractorsandOverloadRelays.pdf?utm_source=chatgpt.com))
Key Advantages
- Compact 8-pole contactor relay for auxiliary and control circuit switching.
- 4NO + 4NC contact configuration provides extensive control flexibility.
- 12–20 V DC control supply for low-voltage DC systems.
- Push-in spring terminals enable fast and reliable wiring.
- Built-in surge protection eliminates the need for additional suppressors.
- Mechanically linked auxiliary contacts support reliable control and interlocking applications.
Key Features
- ABB NFZ..K contactor relay range.
- NFZ44EK-20 product type.
- 8-pole contactor relay.
- 4NO + 4NC auxiliary contact configuration.
- 12–20 V DC rated control circuit voltage.
- Electronic coil interface.
- Push-in spring terminal connections.
- 16 A conventional free-air thermal current.
- 690 V AC rated operational voltage for auxiliary circuits.
- Mechanically linked auxiliary contacts compliant with IEC 60947-5-1.
Reliable Auxiliary Switching for Industrial Automation
Contactor relays such as the ABB NFZ44EK-20 provide electrically operated contacts for switching auxiliary and control circuits. The combination of normally open and normally closed contacts allows flexible integration into automation, signalling and interlocking systems.
The NFZ..K range combines electronic coil technology with push-in spring terminals and built-in surge protection, helping reduce installation time while maintaining dependable operation in industrial control environments.
Typical Applications
- Industrial automation control panels.
- PLC-controlled switching systems.
- Machine interlocking and signalling circuits.
- Motor control auxiliary circuits.
- Building and industrial electrical systems.
- OEM control assemblies.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | DC | |
| Coil Voltage Range | 12 V | |
| Poles | 8-pole | |
| Coil / Supply Voltage | 12 V DC | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 4NO + 4NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NFZ..K | |
| Model | NFZ44EK-20 | |
| ABB order code | 1SBH136005R2044 | |
| Product type | Contactor relay | |
| Number of poles | 8 | |
| Auxiliary contact configuration | 4NO + 4NC | |
| Rated control supply voltage | 12–20 V DC | |
| Control circuit | DC operated | |
| Rated operational voltage, auxiliary circuit | 690 V AC | |
| Conventional free-air thermal current | 16 A | |
| Connection type | Push-in spring terminals | |
| Protection rating | IP20 | |
| Mounting type | DIN rail or screw mounting | |
| Dimensions (H × W × D) | approx. 86 × 45 × 97 mm | |
| Weight | 0.36 kg |
Frequently Asked Questions
What is the ABB 1SBH136005R2044?
The ABB 1SBH136005R2044 is the order code for the NFZ44EK-20 contactor relay, designed for switching auxiliary and control circuits.
What contact configuration does the ABB NFZ44EK-20 have?
The NFZ44EK-20 has four normally open and four normally closed auxiliary contacts (4NO + 4NC).
What control voltage does the ABB NFZ44EK-20 use?
The NFZ44EK-20 uses a 12–20 V DC control supply range.
What is the current rating of the ABB NFZ44EK-20?
The contactor relay has a 16 A conventional free-air thermal current rating.
What type of terminals does the ABB NFZ44EK-20 use?
The NFZ44EK-20 uses push-in spring terminals for faster and reliable wiring.
Trusted Control Technology from ABB
ABB NFZ contactor relays provide compact and reliable switching solutions for auxiliary and control circuits in industrial automation, machinery and electrical control systems.
