ABB 1SBL2 Contactor, 250V dc, 500 V dc Coil, 3-Pole, 50 A, 18.5 kW 250V dc, 500 V dc, 4 NO/1 NC, 690V

RS Stock No.:: 253-1971
Mfr. Part No.:: 1SBL277001R1411
Manufacturer:: ABB

ABB 1SBL2 Contactor, 250V dc, 500 V dc Coil, 3-Pole, 50 A, 18.5 kW 250V dc, 500 V dc, 4 NO/1 NC, 690V

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Subtotal (1 unit)*

SGD168.95

(exc. GST)

SGD184.16

(inc. GST)

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Ready to ship from 17 June 2026

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Units	Per unit
1 +	SGD168.95

*price indicative

RS Stock No.:: 253-1971
Mfr. Part No.:: 1SBL277001R1411
Manufacturer:: ABB

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Contactor
	Coil Voltage	250, 500V dc
	Number of Poles	3
	Contact Voltage	690V
	Contact Current	50A
	Series	1SBL2
	Power Rating	18.5kW
	Mount Type	DIN Rail
	Function	Motor Control
	Normal State Configuration	4 NO/1 NC
	Auxiliary Contact Configuration	1 NO/1 NC
	Number of Auxiliary Contacts	2
	Terminal Type	Screw
	Operational Current Ie	32A
	Minimum Operating Temperature	-40°C
	Contactor Application	Control Unit
	Control Circuit Voltage Uc	250, 500V dc
	Maximum Operating Temperature	70°C
	Length	111.5mm
	Depth	111.5mm
	Width	45mm
	Standards/Approvals	CSA C22.2 n° 14, EN 60947-1 / 60947-4-1, IEC 60947-1 / 60947-4-1, UL 508
	Pole and Throw Configuration	3P

	Select all
	Brand ABB
	Product Type Contactor
	Coil Voltage 250, 500V dc
	Number of Poles 3
	Contact Voltage 690V
	Contact Current 50A
	Series 1SBL2
	Power Rating 18.5kW
	Mount Type DIN Rail
	Function Motor Control
	Normal State Configuration 4 NO/1 NC
	Auxiliary Contact Configuration 1 NO/1 NC
	Number of Auxiliary Contacts 2
	Terminal Type Screw
	Operational Current Ie 32A
	Minimum Operating Temperature -40°C
	Contactor Application Control Unit
	Control Circuit Voltage Uc 250, 500V dc
	Maximum Operating Temperature 70°C
	Length 111.5mm
	Depth 111.5mm
	Width 45mm
	Standards/Approvals CSA C22.2 n° 14, EN 60947-1 / 60947-4-1, IEC 60947-1 / 60947-4-1, UL 508
	Pole and Throw Configuration 3P

Datasheet - 1SBL277001R1411

COO (Country of Origin):: FR

ABB 1SBL2 Series Contactor, 250-500V Coil Voltage, 50A Contact Current Rating - 1SBL277001R1411

This contactor is a high-performance control unit designed for industrial applications. It is designed to operate effectively within a Coil voltage range of 250 to 500 V. This 3-pole contactor is suitable for switching power circuits up to 50 A. With dimensions of 111.5 mm in length and depth, and 45 mm in width, it is a versatile component that can be easily mounted on a DIN rail.

Features & Benefits

• Wide control voltage range reduces energy consumption
• Integrated surge protection enhances operational reliability
• Pre mounted auxiliary contacts simplify installation
• Screw terminals ensure secure and reliable connections
• Compliant with IEC and BS standards for safety

Applications

• Utilised in motor control for various machinery
• Employed in industrial automation systems for efficient processes
• Can be used for controlling lighting systems in large facilities
• Suitable for switching operations in unstable electrical networks

What is the rated operational current for this device?

The device has a rated operational current of up to 50 A for AC-1 applications, ensuring it can handle significant power loads effectively within its specifications.

How quickly can it respond to changes in electrical signals?

The response time is within 11 to 98 milliseconds for contact closures, making it capable of quickly adapting to control signals.

What type of terminals does it have for connections?

It features screw terminals that provide sturdy and secure connections, facilitating easy installation and maintenance.

What is the maximum operating temperature for this contactor?

The contactor can operate effectively within a temperature range from -40°C to +70°C, making it suitable for various environmental conditions.