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Lauritz Knudsen Spare · Operating Handle for Motorised Changeover Switch 400-1000 A · Type · C/O Frame 4 & 5 · CK90378OOOOCK90378OOOO↓ 16% off MRP
BrandLauritz Knudsen
CategorySwitchgear
SpecificationChangeover Switch · 1000 A
Brand SKUCK90378OOOO
AvailabilityIn stock · ships in 24h
Delivery8 to 15 business days after dispatch
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Lauritz Knudsen Spare · Operating Handle for Motorised Changeover Switch 400-1000 A · Type · C/O Frame 4 & 5 · CK90378OOOO

$35.27/pc-16%
MRP $41.89
Wholesale · 15+ units
$33.50 /pc
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$35.27 /pc
Delivery in 8 to 15 business days
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Lauritz Knudsen Spare · Operating Handle for Motorised Changeover Switch 400-1000 A · Type · C/O Frame 4 & 5 is a changeover switch from Lauritz Knudsen. Key ratings: Rated current 1000 A.

  • Mechanical interlock between the two supplies
  • Conforms to IEC 60947-3 and IS/IEC 60947-3
As published by Lauritz Knudsen. Verify critical parameters against the datasheet before specifying.
Lauritz Knudsen Lauritz Knudsen Spare · Operating Handle for Motorised Changeover Switch 400-1000 A · Type · C/O Frame 4 & 5 · CK90378OOOO · CK90378OOOO
Device typeChangeover switch
Rated current1000 A
Current rating1000 A
Reference standardIS/IEC 60898-1
BrandLauritz Knudsen
Brand SKUCK90378OOOO
ELINE6G7FFMH2K
Sold asPer pc
Ratings as published by Lauritz Knudsen (Lauritz Knudsen smartshop; Product name). Verify critical parameters against the datasheet before specifying.
Other Lauritz Knudsen ranges and models in this category, closest in price to this one.
Read: Contactor Sizing for 400 V and 415 V Motors: kW to Amps, AC-3 Ratings and Overload Relays →
What size contactor do I need for a 7.5 kW motor?
A 7.5 kW three-phase motor at 400 V draws about 14.5 A, so a contactor rated at least 16 to 18 A at AC-3 is the usual choice, with an overload relay set to the nameplate current.
What is the difference between AC-1 and AC-3?
AC-1 is the rating for resistive loads such as heaters; AC-3 is the rating for switching squirrel-cage motors in normal duty. Motors are always sized on the AC-3 figure, which is lower.
How many amps per kW for a three-phase motor?
At 400 V, roughly 2 A per kW for small motors, falling towards about 1.8 A per kW above 30 kW, because larger motors run at a better power factor and efficiency. Use the nameplate for the exact figure.
Is Lauritz Knudsen Spare · Operating Handle for Motorised Changeover Switch 400-1000 A · Type · C/O Frame 4 & 5 · CK90378OOOO 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 outside India?

Yes, to every country except Pakistan, North Korea, Iran, Syria, Cuba, Russia, Belarus and Afghanistan, and the Crimea, Sevastopol, Donetsk, Luhansk, Zaporizhzhia and Kherson regions. The delivery fee depends on weight and destination and is shown at checkout; international orders are paid by card in US dollars. The full rules are on our shipping page.

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.

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