Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Coil Voltage	250 → 500 V ac/dc
	Number of Poles	4
	Contact Voltage Rating	690 V ac
	Contact Current Rating	6 A
	Series	NF
	Range	NF31E-14
	Power Rating	144 W
	Normal State Configuration	3NO + 1NC
	Number Of Auxiliary Contacts	4
	Auxiliary Contact Configuration	3NO/1NC
	Terminal Type	Screw
	Width	45mm
	Length	86mm
	Depth	77mm
	Minimum Operating Temperature	-40°C
	Pole and Throw Configuration	4P
	Maximum Operating Temperature	+70°C
	Mounting Style	DIN Rail Mount
	Control Voltage	250 → 500 V

	Select all
	Brand ABB
	Coil Voltage 250 → 500 V ac/dc
	Number of Poles 4
	Contact Voltage Rating 690 V ac
	Contact Current Rating 6 A
	Series NF
	Range NF31E-14
	Power Rating 144 W
	Normal State Configuration 3NO + 1NC
	Number Of Auxiliary Contacts 4
	Auxiliary Contact Configuration 3NO/1NC
	Terminal Type Screw
	Width 45mm
	Length 86mm
	Depth 77mm
	Minimum Operating Temperature -40°C
	Pole and Throw Configuration 4P
	Maximum Operating Temperature +70°C
	Mounting Style DIN Rail Mount
	Control Voltage 250 → 500 V

ABB Series NF Contactor, 690V AC Contact Voltage Rating, 6A Contact Current Rating - 1SBH137001R1431 NF31E-14

This contactor is suitable for high-voltage applications, providing a durable solution in industrial electrical systems. It features a coil voltage range of 250 to 500V, ensuring consistent switching for a variety of automation tasks. With advanced specifications and robust construction, it serves as a vital component for professionals in the electronics and electrical sectors.

Features & Benefits

• Operates within a coil voltage range of 250 to 500V
• Supports contact ratings up to 690V AC for enhanced safety
• Includes 3 normally open and 1 normally closed contacts
• Compact screw terminal design simplifies wiring
• Temperature range from -40 to +70°C
• Designed for easy installation on DIN rails

Applications

• Used in automated machinery for effective control switching
• Suitable for motor control circuits in industrial environments
• Ideal for high-capacity electrical systems requiring dependable performance
• Well-suited for effective load management
• Employed in power distribution systems to enhance operational efficiency

How should it be installed for optimal performance?

Align it properly on a DIN rail, ensuring secure fastening to prevent misalignment during operation.

What maintenance is recommended to prolong its lifespan?

Regularly inspect connections for wear and ensure terminals are tight to avoid overheating and failure.

Can it be integrated with other control devices in an automation system?

Yes, it is compatible with various control systems for collective functionality.

What environmental conditions can it withstand?

It operates effectively in environments from -40 to +70°C, making it suitable for diverse industrial applications.

Is there a specific method for connecting the auxiliary contacts?

Utilise the provided screw terminals, ensuring secure connections for proper switching functionality.

ABB NF31E-14 NF Contactor, 250 → 500 V ac/dc Coil, 4-Pole, 6 A, 144 W, 3NO + 1NC, 690 V ac

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