ABB 1SF Block Contactor, 250V ac/dc, 500 V ac/dc Coil, 3-Pole, 55 kW, 3 NO/0 NC
- RS Stock No.:
- 720-859
- Mfr. Part No.:
- 1SFL427001R3400
- Brand:
- ABB
Image representative of range
Subtotal (1 unit)*
£668.24
(exc. VAT)
£801.89
(inc. VAT)
FREE delivery for orders over £60.00
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- Shipping from 14 September 2026
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Units | Per unit |
|---|---|
| 1 + | £668.24 |
*price indicative
- RS Stock No.:
- 720-859
- Mfr. Part No.:
- 1SFL427001R3400
- 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 | |
| Auxiliary Contact Configuration | 0 NO/0 NC | |
| Terminal Type | Double Clamp | |
| Operational Current Ie | 160A | |
| Contactor Application | Contactor | |
| Length | 142.5mm | |
| Standards/Approvals | UL | |
| Depth | 150mm | |
| 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 | ||
Auxiliary Contact Configuration 0 NO/0 NC | ||
Terminal Type Double Clamp | ||
Operational Current Ie 160A | ||
Contactor Application Contactor | ||
Length 142.5mm | ||
Standards/Approvals UL | ||
Depth 150mm | ||
Width 90mm | ||
- COO (Country of Origin):
- SE
The ABB Contactor is engineered for optimal performance in controlling motors and power circuits, making it an essential component in electrical systems. This Advanced 3 pole contactor accommodates up to 55 kW for 400 V AC applications and 75 hp for 480 V UL, featuring a robust construction that supports a 690 V IEC or 600 V UL operating environment. With built-in surge protection and extensive technical features, it is designed to manage significant control voltage fluctuations effectively, thus reducing energy consumption and ensuring reliable operations in unstable networks.
Wide control voltage range of 250 to 500 V for both AC and DC use, ensuring flexibility
Compact design with integrated surge protection, offering a reliable solution
Thermal current rating of 160 A allows for safe operation even in demanding conditions
Mechanical durability of 5 million cycles ensures long-lasting performance
Efficient energy consumption contributes to lower operational costs
IP40 degree of protection for auxiliary terminals enhances durability and safety
Easy installation with double clamp Terminal types, simplifying connections
Compliance with international standards promotes reliability across different regions


