Why Choose the ABB 1SBH131001R8439 NFC33/11-84 Contactor Relay?
The ABB 1SBH131001R8439 is a compact and reliable NFC33/11-84 contactor relay designed for switching auxiliary and control circuits in industrial automation, electrical panels and machine control systems. As part of the ABB NFC contactor relay range, it provides dependable AC coil operation, flexible contact configuration and reliable control circuit switching performance.
This contactor relay features an eight-pole configuration with four normally open and four normally closed auxiliary contacts, screw terminal connections and a block-type design suitable for integration with ABB control accessories. It is designed for signalling, interlocking and auxiliary switching applications where dependable operation is required.
With a 110 V AC 50 Hz / 110–120 V AC 60 Hz coil, 8 auxiliary contacts and a 690 V rated operational voltage, the ABB NFC33/11-84 provides reliable control switching for industrial automation and electrical control systems.
Key Advantages
- Compact contactor relay designed for auxiliary and control circuit switching.
- 4 NO + 4 NC auxiliary contact configuration for flexible control applications.
- 110 V AC 50 Hz / 110–120 V AC 60 Hz coil for industrial control systems.
- Screw terminal connections for secure electrical installation.
- Block-type construction compatible with ABB accessory systems.
- Suitable for industrial automation and machine control applications.
Key Features
- ABB NFC contactor relay series.
- NFC33/11-84 contactor relay type.
- 8 auxiliary contacts.
- 4 normally open contacts.
- 4 normally closed contacts.
- 110 V AC 50 Hz coil voltage.
- 110–120 V AC 60 Hz coil voltage.
- 3 A rated operational current at 400 V.
- Screw terminal connections.
- DIN rail or screw mounting capability.
Reliable Control Switching for Industrial Automation
Contactor relays such as the ABB NFC33/11-84 provide dependable switching of auxiliary circuits, control signals and interlocking functions within industrial electrical systems. Their high contact density allows engineers to simplify control panel layouts while maintaining reliable automation performance.
The ABB NFC range is designed for industrial control applications requiring flexible auxiliary contact arrangements, robust construction and compatibility with additional accessories. These relays are commonly used alongside contactors, starters and automation equipment.
Typical Applications
- Industrial automation control panels.
- Motor control and starter assemblies.
- PLC interface and signalling circuits.
- Machine control systems.
- Industrial relay and interlocking applications.
- Electrical control cabinets.
