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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RS-artikelnummer 762-2660
Tillv. art.nrOT160EV12P
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3 200 A - - Enclosed - - 144 kW IP65 Yes 1 kV - 3 12 kV
RS-artikelnummer 686-7262
Tillv. art.nr1SCA104886R1001
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373,17 kr
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4 25 A - - DIN Rail - - 9 kW IP20 - 750 V ac - 3 0.5 kA
RS-artikelnummer 922-0880
Tillv. art.nrONE20M3G
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199,89 kr
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3 20 A - - Panel Mount ONE20 - - - - 415 V - - -
RS-artikelnummer 775-4091
Tillv. art.nrOT16F4C
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804,97 kr
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4 16 A - - DIN Rail - 4NO - - - - Yes 3 -
RS-artikelnummer 762-2402
Tillv. art.nrOT32TPN-B
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1 446,71 kr
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3 + N 40 A - - Enclosed - - - IP65 Yes 415 V ac - 3 -
RS-artikelnummer 686-7288
Tillv. art.nr1SCA105004R1001
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781,70 kr
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3 - - - DIN Rail - - 37 kW IP20 - 750 V ac - - -
RS-artikelnummer 841-2656
Tillv. art.nr1SCA125822R1001
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3 331,55 kr
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2 100 A - - Panel Mount - 2NO+2NC - - - 1 kV dc - - -
RS-artikelnummer 922-0884
Tillv. art.nrONE20M3Y
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199,89 kr
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3 20 A - - Panel Mount ONE20 - - - - 415 V - - -
RS-artikelnummer 762-2405
Tillv. art.nrOT20TPN-B
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1 164,18 kr
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3 + N 32 A - - Enclosed - - - IP65 Yes 415 V ac - 3 -
RS-artikelnummer 686-7256
Tillv. art.nr1SCA104811R1001
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200,08 kr
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3 - - - DIN Rail - - 7.5 kW IP20 - 750 V ac - - -
RS-artikelnummer 841-2690
Tillv. art.nr1SCA125155R1001
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1 227,28 kr
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3 32 A - - Panel Mount - 3NO+3NO - - - 1 kV dc - - -
RS-artikelnummer 500-0948
Tillv. art.nr1SCA022401R0330 - OTP16KA3M1
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581,63 kr
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3 23 A - - - - NO/NC 7.5 kW IP65 - 690 V ac Yes 3 6.5 A
RS-artikelnummer 686-7354
Tillv. art.nr1SCA105060R1001
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1 042,27 kr
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3 125 A - - Panel Mount - - 45 kW IP20 - 750 V ac - 3 2.5 kA
RS-artikelnummer 686-7266
Tillv. art.nr1SCA104902R1001
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320,13 kr
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3 - - - DIN Rail - - 11 kW IP20 - 750 V ac - - -
RS-artikelnummer 176-6788
Tillv. art.nr2CSM277982R1801
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572,32 kr
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2 50 A - - DIN Rail 2CSM - - - - 690 V ac - - -
RS-artikelnummer 176-6806
Tillv. art.nr2CSM296532R1801
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3 089,59 kr
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4 125 A - - DIN Rail 2CSM - - - - 690 V ac - - -
RS-artikelnummer 762-2418
Tillv. art.nrOT63FP-A
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2 670,92 kr
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4 80 A - - Enclosed - - - IP65 Yes 415 V ac - 3 -
RS-artikelnummer 841-2681
Tillv. art.nr1SCA125130R1001
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1 219,09 kr
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2 25 A - - Panel Mount - 2NO+2NO - - - 660 V dc - - -
RS-artikelnummer 282-0856
Tillv. art.nrS418KN-A
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765,98 kr
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4 50 A - - - - - 18.5 kW IP65 - - - 3 -
RS-artikelnummer 686-7357
Tillv. art.nr1SCA105066R1001
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1 237,70 kr
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4 125 A - - Panel Mount - - 45 kW IP20 - 750 V ac - 3 2.5 kA