Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Contactor
	Number of Poles	3
	Contact Voltage	690V
	Series	1SBL18
	Function	Capacitor Switching
	Normal State Configuration	4 NO
	Number of Auxiliary Contacts	1
	Auxiliary Contact Configuration	1 Built-in
	Terminal Type	Screw
	Minimum Operating Temperature	-60°C
	Contactor Application	Control Unit
	Operational Current Ie	2A
	Maximum Operating Temperature	80°C
	Length	74mm
	Standards/Approvals	IEC 60068-2-30, IEC 60947-4-1, IEC 60947-5-1
	Depth	74mm

	Select all
	Brand ABB
	Product Type Contactor
	Number of Poles 3
	Contact Voltage 690V
	Series 1SBL18
	Function Capacitor Switching
	Normal State Configuration 4 NO
	Number of Auxiliary Contacts 1
	Auxiliary Contact Configuration 1 Built-in
	Terminal Type Screw
	Minimum Operating Temperature -60°C
	Contactor Application Control Unit
	Operational Current Ie 2A
	Maximum Operating Temperature 80°C
	Length 74mm
	Standards/Approvals IEC 60068-2-30, IEC 60947-4-1, IEC 60947-5-1
	Depth 74mm

COO (Country of Origin):: BG

ABB UA16 Series Contactor, 400 to 415V Control Circuit Voltage Uc, 3P Pole and Throw Configuration - 1SBL181022R8510

This contactor is a 3-pole device designed for switching capacitor banks in industrial electrical installations, providing controlled engagement for reactive-power management. It is AC-operated and suited to systems where inrush peaks do not exceed 100 times nominal rms current, enabling extended operational life when capacitors are properly discharged before re-energisation.

Features & Benefits

• Rated for control circuit voltages 380/400V and 400 to 415V for flexibility
• Three main poles with one auxiliary contact for control integration
• Operational current capacity 2A to support auxiliary control circuits
• Accepts Peak inrush currents up to specified maxima for capacitor switching
• Screw terminals supporting flexible and rigid cable sizes for secure connections
• DIN-rail mountable for Compact panel installation

Applications

• Suitable for switching capacitor banks in power factor correction panels
• Ideal for industrial automation control cabinets requiring Compact contactors
• Used for capacitor switching where inrush peaks are within rated limits
• Can be used with 400V Coil control systems in three-phase networks

What electrical insulation and impulse withstand levels does it offer?

The device is specified with a rated insulation voltage of 1000V and a rated impulse withstand voltage of 8kV, supporting robust isolation in industrial systems.

How does it perform across different ambient temperatures?

It can be stored between −60°C and +80°C

for operation the permitted ambient range varies with control-voltage conditions, allowing use in environments down to −40°C and up to +70°C in the vicinity of the device.

Which protective devices are recommended for short-circuit protection?

Recommended protective devices include gG type fuses rated around 1.5 to 1.8A for auxiliary circuits and 10A ratings where applicable, matching the device’s specified coordination values.

What mechanical endurance and switching frequency are supported?

Mechanical durability is rated to 10 million operations, with a maximum mechanical switching frequency of 3600 cycles per hour.

ABB 1SBL18 Contactor, 380 V, 400 V Coil, 3-Pole 400 to 415 V, 4 NO, 690V

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