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1SBH131005R8153 ABB NFC53EK-81 Block Contactor 53A 24V 50/60Hz Coil
ABB 1SBH131005R8153 NFC53EK-81 is an 8-pole 24 V AC contactor relay with five normally open and three normally closed mechanically linked auxiliary contacts and Push-in Spring terminals for industrial control circuits.
£60.20
Why Choose the ABB 1SBH131005R8153 NFC53EK-81 Contactor Relay?
The ABB 1SBH131005R8153, also designated NFC53EK-81, is an 8-pole auxiliary contactor relay designed for reliable switching of auxiliary and control circuits in industrial automation and electrical control systems. As part of the ABB NFC contactor relay range, it combines five normally open and three normally closed auxiliary contacts in a compact block-type design.
Designed for AC-controlled applications, the NFC53EK-81 uses an electromagnetic coil with a 24 V AC 50/60 Hz control voltage. Its eight mechanically linked auxiliary contact elements provide dependable switching for control, signalling, interlocking and automation circuits, while the block design can be extended using compatible ABB auxiliary contact blocks and accessories.
The relay features Push-in Spring terminals for fast, secure and maintenance-friendly wiring. With an operational voltage rating of up to 690 V AC under IEC and a compact 45 mm width, the 1SBH131005R8153 is well suited to control panels, machinery, motor control assemblies and other industrial installations where multiple auxiliary contacts are required.
Key Advantages
- Compact 8-pole auxiliary contactor relay for industrial control circuits.
- 5 normally open + 3 normally closed contacts provide flexible control configurations.
- 24 V AC 50/60 Hz electromagnetic coil for common industrial control supplies.
- Push-in Spring terminals simplify wiring and reduce installation time.
- Mechanically linked auxiliary contact elements for dependable switching and interlocking.
- Block-type construction supports expansion using compatible ABB accessories.
Key Features
- ABB NFC53EK-81 contactor relay.
- 8 auxiliary contacts in a 5 NO + 3 NC configuration.
- 24 V AC rated control circuit voltage at 50/60 Hz.
- Up to 690 V IEC operational voltage.
- 3 A rated operational current.
- 4 A rated switching current.
- Mechanically linked auxiliary contact elements.
- Fast and secure Push-in Spring terminal connections.
- DIN rail or screw mounting for flexible panel installation.
Reliable Auxiliary Switching for Industrial Control Systems
Auxiliary contactor relays such as the ABB NFC53EK-81 provide additional switching contacts for control, signalling and interlocking functions within industrial electrical systems. They allow control signals to operate multiple circuits without requiring the primary switching device to carry every auxiliary function.
The ABB NFC range is designed for AC control applications requiring reliable electromagnetic operation and flexible contact configurations. The mechanically linked contacts, Push-in Spring connection technology and compatibility with the wider ABB AF platform make the NFC53EK-81 a practical choice for modern machine control and automation panels.
Typical Applications
- Industrial machinery control circuits.
- Motor control centres and starter assemblies.
- PLC and automation control panels.
- Electrical interlocking circuits.
- Status indication and signalling systems.
- Conveyors and material handling equipment.
- OEM machinery and production equipment.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Poles | 8-pole | |
| Coil / Supply Voltage | 24 V AC | |
| Device Type | Auxiliary contact block | |
| Coil Type | AC | |
| Manufacturer | ABB | |
| Series | NFC Contactor Relays | |
| Model | NFC53EK-81 | |
| Order code | 1SBH131005R8153 | |
| Product type | Auxiliary contactor relay | |
| Number of poles | 8 | |
| Normally open contacts | 5 | |
| Normally closed contacts | 3 | |
| Control voltage | 24 V AC | |
| Control frequency | 50 / 60 Hz | |
| Rated operational voltage | up to 690 V AC IEC | |
| Rated operational current | 3 A | |
| Rated switching current | 4 A | |
| Terminal type | Push-in Spring terminals | |
| Mounting type | DIN rail / screw mounting | |
| Width | 45 mm | |
| Height | 92.3 mm | |
| Depth | 110.5 mm | |
| Weight | approx. 0.37 kg | |
| EAN / GTIN | 3471523015913 |
Frequently Asked Questions
What is the ABB 1SBH131005R8153 used for?
The ABB 1SBH131005R8153 is an auxiliary contactor relay used for switching auxiliary and control circuits in industrial machinery, automation systems and electrical control panels.
How many contacts does the ABB NFC53EK-81 have?
The NFC53EK-81 has eight auxiliary contacts, comprising five normally open (NO) and three normally closed (NC) contacts.
What control voltage does the 1SBH131005R8153 require?
The relay uses a 24 V AC electromagnetic control coil suitable for both 50 Hz and 60 Hz supplies.
What terminal technology does the NFC53EK-81 use?
The NFC53EK-81 uses Push-in Spring terminals, providing quick and secure conductor connection while simplifying control-panel wiring.
How is the ABB NFC53EK-81 mounted?
The contactor relay can be installed using DIN rail or screw mounting, making it suitable for industrial control cabinets and machine panels.
Trusted by Industrial Automation Professionals
ABB NFC contactor relays provide dependable auxiliary switching for industrial control and automation applications, combining compact construction, mechanically linked contacts and efficient Push-in Spring wiring technology.
