ABB 1SF Block Contactor, 250V ac/dc, 500 V ac/dc Coil, 3-Pole, 55 kW, 3 NO/0 NC

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Subtotal (1 unit)*

£677.16

(exc. VAT)

£812.59

(inc. VAT)

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  • Shipping from 18 September 2026
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1 +£677.16

*price indicative

RS Stock No.:
720-878
Mfr. Part No.:
1SFL427002R3411
Brand:
ABB
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Brand

ABB

Coil Voltage

250, 500V ac/dc

Product Type

Block Contactor

Number of Poles

3

Series

1SF

Power Rating

55kW

Function

Contactor

Normal State Configuration

3 NO/0 NC

Number of Auxiliary Contacts

2

Auxiliary Contact Configuration

1 NO/1 NC

Terminal Type

Bars

Operational Current Ie

160A

Contactor Application

Contactor

Length

142.5mm

Depth

150mm

Standards/Approvals

UL

Width

90mm

COO (Country of Origin):
SE
The ABB Contactor is designed to control motors efficiently within demanding environments. This Advanced 3 pole contactor operates at voltages up to 690V IEC or 600V UL and is effective for switching power circuits up to 160A. Engineered for versatile applications, it supports motor control up to 55kW at 400V AC (AC-3) or 75hp at 480V UL, while seamlessly managing large control voltage variations from 250 to 500V. Featuring built-in surge protection and a block-type design for easy expansion with auxiliary contact blocks and accessories, It ensures reliable performance even in unstable networks, minimising energy consumption without compromising functionality.

Built-in surge protection for enhanced reliability

Wide control voltage range of 250 to 500V ensures adaptability in diverse settings

Capable of controlling motors up to 55kW, suitable for industrial applications

Rated for switching power circuits up to 160A, providing robust performance

Block-type design allows for easy addition of auxiliary contact blocks

Compact solution reduces panel energy consumption, optimising operational efficiency

Thermal current capabilities support extensive operational demands

Guaranteed mechanical durability with 5 million cycles, ensuring longevity

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