ABB 1SF Block Contactor, 250V ac/dc, 500 V ac/dc Coil, 3-Pole, 55 kW, 3 NO/0 NC
- RS Stock No.:
- 720-878
- Mfr. Part No.:
- 1SFL427002R3411
- Brand:
- ABB
Image representative of range
Subtotal (1 unit)*
£677.16
(exc. VAT)
£812.59
(inc. VAT)
FREE delivery for orders over £60.00
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- Shipping from 18 September 2026
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Units | Per unit |
|---|---|
| 1 + | £677.16 |
*price indicative
- RS Stock No.:
- 720-878
- Mfr. Part No.:
- 1SFL427002R3411
- Brand:
- ABB
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, 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 | |
| Select all | ||
|---|---|---|
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


