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Lauritz Knudsen FN 250 2P Switch-Disconnector-Fuse Unit · 250 A · 2P (DP) · open execution · for HN size 1 DIN fuse links · ST31674OOOOST31674OOOO↓ 27% off MRP
BrandLauritz Knudsen
CategoryIndustrial Control
SpecificationFN S-D-F · 250 A · 2P (DP) · HN size 1 DIN fuse links · Open execution · AC-23A · phase barriers included · telescopic shaft · door interlock and padlock facility · also for 220 V DC and 240 V AC application
Brand SKUST31674OOOO
AvailabilityIn stock · ships in 24h
DeliveryPan-India · 7 working days
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Lauritz Knudsen FN 250 2P Switch-Disconnector-Fuse Unit · 250 A · 2P (DP) · open execution · for HN size 1 DIN fuse links · ST31674OOOO

₹13,213/pcincl. GST-27%
₹11,197 + 18% GST · MRP ₹18,060
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₹13,213 /pc incl. GST
Free pan-India delivery

Lauritz Knudsen FN 250 2P Switch-Disconnector-Fuse Unit · 250 A · 2P (DP) · open execution · for HN size 1 DIN fuse links · ST31674OOOO: Elume price today ₹13,213 per pc incl. GST, 27% below the ₹18,060 MRP. The price has held steady for the last 30 days.

Price history
Elume price over time, day by day. Market comparison appears once we track this item.
16 Aug to 14 Nov
₹19,324₹17,093₹14,861₹12,629₹10,397₹18,060₹13,213
16 Aug3 Sep21 Sep9 Oct27 Oct14 Nov
Elume today
₹13,213
MRP
₹18,060
Lowest in view · 12 Sep
₹11,180
Highest in view · 3 Oct
₹13,213
🏷️
100% genuine
Brand-authorised stock with full manufacturer warranty
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GST invoice
Tax invoice on every order · GST billing with tax split
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Pan-India delivery
7 working days to your location
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Wholesale built in
Wholesale price at 15+ units: ₹12,552/pc on this product, applied automatically

FN switch-disconnector-fuse units from Lauritz Knudsen, 32 A to 800 A, 415 V, AC-23A, in open execution or sheet-steel enclosure.

  • Range 32 A to 630 A open execution (800 A in enclosure), 415 V, AC-23A
  • Conforms to IEC 60947-3, IS/IEC 60947-3
  • Phase barriers included
  • Telescopic shaft for depth adjustment
  • Door interlock and padlock facility
  • Enclosure version: separate cable gland box not required
Ordering note
Supplied without terminal shrouds and without fuse links. The catalogue number carries the standard suffix OOOO exactly as the brand lists it.
As published by Lauritz Knudsen. Verify critical parameters against the datasheet before specifying.
Lauritz Knudsen Lauritz Knudsen FN 250 2P Switch-Disconnector-Fuse Unit · 250 A · 2P (DP) · open execution · for HN size 1 DIN fuse links · ST31674OOOO · ST31674OOOO
Device typeSwitch-disconnector-fuse unit (SDF)
SeriesFN
Poles2P (DP)
Rated current250 A
Fits / suitable forHN size 1 DIN fuse links
Rated voltage415 V AC
MountingOpen execution
Reference standardIEC 60947-3, IS/IEC 60947-3, utilisation category AC-23A
BrandLauritz Knudsen
Brand SKUST31674OOOO
ELINEMKG9GPK3F
Sold asPer pc
Ratings as published by Lauritz Knudsen (Lauritz Knudsen price list Aug 2026). Verify critical parameters against the datasheet before specifying.
Other Lauritz Knudsen ranges and models in this category, closest in price to this one.
Is Lauritz Knudsen FN 250 2P Switch-Disconnector-Fuse Unit · 250 A · 2P (DP) · open execution · for HN size 1 DIN fuse links · ST31674OOOO genuine and warranty-backed?

Yes. Every Lauritz Knudsen product on Elume is 100% genuine, sourced through authorised channels, and carries the manufacturer's standard warranty.

Do you deliver across India?

Yes. We deliver anywhere in India our couriers serve, usually within 5 to 7 working days from order confirmation (3 to 4 with expedited delivery on orders of Rs 10,000 and above). The delivery charge follows the order value (the GST-inclusive goods total after any discount code): ₹200 under ₹2,000; ₹100 from ₹2,000 to under ₹4,000; free from ₹4,000 to ₹25,000; ₹1,000 above ₹25,000, because large orders ship insured, often in several boxes. Heavy consignments add ₹1,000 for every started 10 kg beyond the first 10 kg of the order's total shipping weight, even when delivery is free. A free-delivery code makes the whole delivery charge zero. Every charge is shown at checkout before you pay.

Can I get a GST invoice?

Yes, on orders delivered in India. Enter your GSTIN at checkout and we issue a GST invoice with tax shown separately, so businesses can claim input tax credit.

Is there a wholesale or bulk rate?

Yes. Orders of 15 or more pcs get a wholesale price below the listed Elume price, applied automatically and shown on every product page.

What if I find it cheaper somewhere else?

Tell us. If the same Lauritz Knudsen product is listed for less, GST and delivery included, by an authorised Indian online seller, we match that price, before you order or within 7 days of ordering. The terms are on our lowest-price guarantee page.

What is the return policy?

For delivery in India, unused items in original packaging can be returned within 7 days of delivery, with free return shipping.

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