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1SBH136001R2139 ABB NFZ33/11-21 Electronic Coil Contactor 33A Auxiliary Contact 11 48V AC Coil
ABB 1SBH136001R2139 NFZ33/11-21 contactor relay with 4NO and 4NC auxiliary contacts designed for industrial control and automation switching applications.
£98.81
Why Choose the ABB 1SBH136001R2139 Contactor Relay?
The ABB 1SBH136001R2139 is a compact and reliable NFZ33/11-21 contactor relay designed for switching auxiliary and control circuits in industrial automation and electrical control applications. As part of the advanced ABB NF contactor relay series, it provides dependable switching performance, flexible AC/DC coil operation and efficient integration into modern control systems.
This contactor relay features an electronic coil interface that accepts a wide control voltage range, helping simplify electrical panel design and reduce the requirement for multiple coil variants. The NFZ series includes built-in surge protection, reduced holding coil consumption and reliable operation during short voltage dips and interruptions.
With an 8-pole design featuring 4 normally open and 4 normally closed contacts and a 24–60 V AC / 20–60 V DC control voltage range, the ABB 1SBH136001R2139 is ideal for industrial control panels, PLC interfaces, machine building and auxiliary switching applications requiring dependable control circuit operation.
Key Advantages
- Compact contactor relay designed for auxiliary and control circuit switching.
- 4NO + 4NC auxiliary contact configuration for flexible control applications.
- 24–60 V AC and 20–60 V DC coil voltage range for simplified stock management.
- Integrated electronic coil interface and surge protection.
- Mechanically linked auxiliary contacts for enhanced switching reliability.
- Suitable for industrial automation, machine building and electrical control cabinets.
Key Features
- ABB NFZ33/11-21 contactor relay series.
- 8-pole contactor relay design.
- 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.
- AC/DC operated electronic coil interface.
- Built-in surge protection with no additional suppressor required.
- Screw terminal connection technology.
- DIN rail or screw mounting installation.
Reliable Control Switching for Industrial Automation
Contactor relays such as the ABB NFZ33/11-21 provide reliable switching of auxiliary circuits used in automation systems, electrical panels and industrial control equipment. They allow control signals to be distributed safely while maintaining dependable operation in demanding environments.
The ABB NFZ series combines compact construction, flexible AC/DC coil technology and robust contact performance, making it suitable for machine builders, panel manufacturers and automation engineers requiring efficient control circuit solutions.
Typical Applications
- Industrial control panels and electrical cabinets.
- PLC interface and automation control circuits.
- Motor control and auxiliary switching applications.
- Machine building and OEM equipment.
- Industrial production and processing systems.
- Electrical control and distribution applications.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 42–48 V | |
| Poles | 8-pole | |
| Device Type | Contactor relay | |
| Auxiliary Contacts | 4NO + 4NC | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF Contactors / NFZ Contactor Relays | |
| Model | 1SBH136001R2139 | |
| Product type | Contactor relay | |
| Type designation | NFZ33/11-21 | |
| Auxiliary contacts | 4NO + 4NC | |
| Number of poles | 8-pole | |
| Control voltage AC | 24–60 V AC 50/60 Hz | |
| Control voltage DC | 20–60 V DC | |
| Rated operational voltage | Up to 690 V AC | |
| Rated operational current | 3 A at 400 V | |
| Conventional free-air thermal current | 16 A | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail / screw mounting | |
| Protection rating | IP20 |
Frequently Asked Questions
What is the ABB 1SBH136001R2139 used for?
The ABB 1SBH136001R2139 is an NFZ33/11-21 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 contactor relay features 4 normally open contacts and 4 normally closed contacts for flexible control circuit switching.
What coil voltage does the ABB 1SBH136001R2139 support?
The contactor relay supports 24–60 V AC and 20–60 V DC control voltages through its electronic AC/DC coil interface.
What safety features are included?
The contactor relay includes built-in surge protection and mechanically linked auxiliary contacts for reliable industrial switching.
Where is this contactor relay typically installed?
The contactor relay is typically installed in electrical control panels, automation cabinets and industrial machine control systems.
Trusted by Industrial Automation Professionals
ABB NFZ contactor relays are widely used by automation engineers and machine builders to provide reliable auxiliary switching, flexible control integration and efficient electrical system design.
