ABB 1SF Block Contactor, 250V ac/dc, 500 V ac/dc Coil, 3-Pole, 55 kW, 3 NO/0 NC
- RS Stock No.:
- 720-721
- Mfr. Part No.:
- 1SFL427081R3412
- Brand:
- ABB
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Subtotal (1 unit)*
£836.23
(exc. VAT)
£1,003.48
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 18 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £836.23 |
*price indicative
- RS Stock No.:
- 720-721
- Mfr. Part No.:
- 1SFL427081R3412
- 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 | |
| Product Type | Block Contactor | |
| Coil Voltage | 250, 500V ac/dc | |
| Number of Poles | 3 | |
| Power Rating | 55kW | |
| Series | 1SF | |
| Function | Contactor | |
| Normal State Configuration | 3 NO/0 NC | |
| Auxiliary Contact Configuration | 1 NO/2 NC | |
| Number of Auxiliary Contacts | 3 | |
| Terminal Type | Double Clamp | |
| Contactor Application | Contactor | |
| Operational Current Ie | 160A | |
| Depth | 150mm | |
| Width | 90mm | |
| Standards/Approvals | UL | |
| Length | 126mm | |
| Select all | ||
|---|---|---|
Brand ABB | ||
Product Type Block Contactor | ||
Coil Voltage 250, 500V ac/dc | ||
Number of Poles 3 | ||
Power Rating 55kW | ||
Series 1SF | ||
Function Contactor | ||
Normal State Configuration 3 NO/0 NC | ||
Auxiliary Contact Configuration 1 NO/2 NC | ||
Number of Auxiliary Contacts 3 | ||
Terminal Type Double Clamp | ||
Contactor Application Contactor | ||
Operational Current Ie 160A | ||
Depth 150mm | ||
Width 90mm | ||
Standards/Approvals UL | ||
Length 126mm | ||
- COO (Country of Origin):
- SE
The ABB 3 Pole contactor designed for robust performance in industrial applications. With a maximum operational voltage of 690 V and the capability to control motors up to 55 kW at 400 V AC, this contactor offers exceptional reliability. Pre-mounted with auxiliary contact blocks and an integrated surge protection feature, it ensures safe and effective management of power circuits, making it Ideal for machine manufacturers. Additionally, its low energy consumption and wide control voltage range make it a sustainable choice for modern automation needs.
3 pole design suitable for high operational voltage up to 690 V
Integrated auxiliary contact blocks enhance functionality and ease of installation
Wide control voltage range (250 to 500 V) facilitates flexible system integration
Built-in surge protection ensures safe operation in unstable networks
Compact Block type design allows easy expansion with add-on components
High thermal current rating (160 A) improves performance in demanding environments
Meets major safety standards EN ISO 13849 and EN 62061 for machine safety applications
Mechanical durability rated at 5 million operations ensures long service life


