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The NF31E-11 is a 4-pole contactor relay from ABB’s NF range, designed for switching auxiliary and control circuits. It provides three normally-open and one normally-closed contact in a compact block with screw terminals, rated to 690 V IEC / 600 V UL for the auxiliary circuit.
Built with ABB AF coil technology, the NF31E-11 accepts a wide control voltage range of 24-60 V 50/60 Hz and 20-60 V DC, tolerating control supply variation while reducing panel energy consumption and offering built-in surge protection. The auxiliary contacts are mechanically linked in compliance with Annex L of IEC 60947-5-1, marked with the “Mechanically Linked” symbol.
The block design extends with add-on auxiliary contact blocks and a wide range of accessories. It is widely used for PLC interfacing, control-circuit switching, interlocking and signalling in industrial control panels.
| Product Series | ABB NF contactor relay range |
| Model | NF31E-11 |
| Order Code | 1SBH137001R1131 |
| EAN | 3471523100213 |
| Product Type | Contactor relay / auxiliary contactor |
| Number of Poles | 4 |
| Auxiliary Contacts | 3 NO + 1 NC |
| Rated Operational Voltage | Auxiliary circuit 690 V IEC / 600 V UL |
| Rated Control Circuit Voltage | 24-60 V, 50/60 Hz and 20-60 V DC |
| Mechanically Linked Contacts | Yes (Annex L of IEC 60947-5-1) |
| Terminal Type | Screw terminals |
| Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-13 |
| Dimensions (W x D x H) | 45 x 77 x 86 mm |
| Net Weight | 0.27 kg |
| Brand | ABB |
| Condition | New Surplus |
| Warranty | 12-month warranty (provided by us) |
Shipping & Warranty: Fast order processing with worldwide delivery available. This item is sold as New Surplus and backed by our 12-month warranty, which covers quality-related replacement or refund. Contact our team for compatibility checks, bulk pricing, or spare-parts sourcing support.
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Economy shipping takes 9–14 business days, while express delivery arrives in 5–8 business days, both subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
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