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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2 084,54 kr
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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 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 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 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 686-7256
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 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 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 176-6781
Tillv. art.nr2CSM251503R1801
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225,21 kr
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2 32 A - - DIN Rail 2CSM - - - - 690 V ac - - -
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 500-1008
Tillv. art.nr1SCA022399R6670 - OTP25A3M
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1 060,88 kr
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3 23 A - - - - 2NO/2NC 15 kW IP65 - 690 V ac Yes 3 13 A
RS-artikelnummer 175-5089
Tillv. art.nrSD203/16
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314,33 kr
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3 16 A - Pro M Compact DIN Rail SD203 3NO - IP20, IP40 Yes 440 V ac Yes - -
RS-artikelnummer 192-0899
Tillv. art.nr1SCA022718R8940
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9 624,68 kr
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3 630 A OT630E03P - - - - 630 kW IP00, IP65 - 1 kV - 3 -
RS-artikelnummer 176-6782
Tillv. art.nr2CSM251493R1801
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273,60 kr
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2 32 A - - DIN Rail 2CSM - - - - 690 V ac - - -
RS-artikelnummer 175-5082
Tillv. art.nrSD201/63
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154,48 kr
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1 63 A - Pro M Compact DIN Rail SD201 NO - IP20, IP40 Yes 125 V dc, 440 V ac Yes - -
RS-artikelnummer 500-1020
Tillv. art.nr1SCA022399R6750 - OTP16A3M
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753,79 kr
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3 23 A - - - - 2NO/2NC 7.5 kW IP65 - 690 V ac Yes 3 6.5 A
RS-artikelnummer 192-0858
Tillv. art.nr2CMA142444R1000
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723,49 kr
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4 25 A BW425YTPN - - - NO 7.5 kW IP54, IP65 Yes 690 V Yes 4 -
RS-artikelnummer 192-0900
Tillv. art.nr1SCA022719R1810
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7 086,93 kr
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4 400 A OT400E04P - - - - 400 kW IP00, IP65 - 1 kV - 4 -