Non-Fused Switch Disconnectors

Non-fused switch disconnectors are a safety device designed to power down or isolate a part of a circuit while it is being serviced or maintained. Unlike fused switch disconnectors, they do not use a fuse to break the circuit, instead using either a rotary or knife-blade disconnect. Rotary switches break the circuit by rotation of a lever, while knife-blade switches use a hinge to lift a lever off its slot.

What are non-fused switch disconnectors used for?

Non-fused switch disconnectors are used to isolate circuit breakers, transmission lines and transformers as part of their maintenance process. They are a safety measure and are not intended for use as a regular part of the circuit.

Types of non-fused switch disconnectors

Non-fused switch disconnectors vary in the method of disconnecting that they use, whether rotary or knife-blade. Beyond that, they have differing power, voltage and switch ratings, as well as different maximum current capabilities, which will determine which non-fused switch disconnector you choose.


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Omschrijving Prijs Number of Poles Maximum Current Model Number Range Mounting Type Series IP Rating Normal State Configuration Power Rating Voltage Rating Accepts Padlocks Electrical Phase Handle Colour Auxiliary Contacts Available
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3 20A - TeSys Panel Mount VARIO - - 7.5kW 690V ac Yes 3 Red -
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6 - - - - T3-4 IP65 NO/NC 22kW 240 V dc, 690V ac Yes - Red Yes
RS-stocknr. 311-5587
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FabrikantKraus & Naimer
19,77 €
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3 20A - - Panel Mount - IP65 - 5.5kW 690V ac Yes 3 Red/Yellow -
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4 100A - - Panel Mount - IP65 - 37kW 690V ac Yes 3 - -
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3 160A - - Panel Mount P5-160 IP65 NO 55kW 415V ac Yes 3 Red Yes
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37,12 €
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3 32A - TeSys Panel Mount VARIO - - 15kW 690V ac Yes 3 Red -
RS-stocknr. 311-5571
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FabrikantKraus & Naimer
19,77 €
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3 20A - - - - IP65 - 5.5kW 690V ac Yes 3 Black/Silver -
RS-stocknr. 257-3538
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3 16A - TeSys Panel Mount VARIO IP65 - 5.5kW 690V ac Yes 3 Red -
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3 32A - - - - IP65 - 11kW 690V ac Yes 3 - Yes
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FabrikantABB
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3 25A - - Panel Mount P1-25 IP65 NO 13kW 440V ac Yes 3 Red Yes
RS-stocknr. 110-4492
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68,60 €
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3 + N 20A - - - T0-3 IP65 NO/NC 6kW 415V Yes 3 Red, Yellow Yes
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121,76 €
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6 63A - - - - IP65 2NO 22kW 690V ac Yes 3 - Yes
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FabrikantnummerOT63F3 1SCA105332R1001
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3 63A - - - - IP20 - 22kW 750V ac - 3 - -
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Fabrikantnummer081438 & P1-32/EA/SVB
FabrikantEaton
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3 32A - - Panel Mount P1-32 IP65 NO 15kW 440V ac Yes 3 Red Yes
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3 20A - - Panel Mount T0-2 IP65 NO 6.5kW 440V ac Yes 3 Red Yes
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