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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Description Price Number of Poles Maximum Current Model Number Range Mounting Type Series Normal State Configuration Power Rating IP Rating Accepts Padlocks Voltage Rating Auxiliary Contacts Available Electrical Phase Switch Rating
RS Stock No. 279-6141
Mfr. Part No.VCF02
$52.18
Each
units
3 12 A - TeSys Panel Mount VARIO - 7.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 609-4253
Mfr. Part No.VCD01
$72.05
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 282-1411
Mfr. Part No.KG80T203/GBA016E
$99.36
Each
units
3 80 A - - Panel Mount - - 30 kW IP65 Yes 690 V ac - 3 -
RS Stock No. 686-7281
Mfr. Part No.1SCA105798R1001
BrandABB
$70.11
Each
units
3 80 A - - DIN Rail - - 37 kW IP20 - 750 V ac - 3 1 kA
RS Stock No. 518-7023
Mfr. Part No.3LD2250-0TK11
BrandSiemens
$55.52
Each
units
3 32 A - - Panel Mount - - 11.5 kW IP65 Yes 690 V ac - 3 640 A
RS Stock No. 518-6711
Mfr. Part No.3LD2050-0TK13
BrandSiemens
$43.30
Each
units
3 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 466-148
BrandRS PRO
$37.63
Each
units
3 25 A - - Panel Mount - - 11 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 610-0099
Mfr. Part No.VCF4
$173.02
Each
units
3 80 A - TeSys Panel Mount VARIO - 37 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 828-5325
Mfr. Part No.KG100 T904/GBA004 *ST
$939.29
Each
units
4 100 A - - Enclosed - NO 30 kW, 37 kW IP66 Yes 380 → 415 V, 690 V - 3 -
RS Stock No. 280-8222
Mfr. Part No.28909
$222.31
Each
units
4 100 A - - DIN Rail - - 55 kW IP40 Yes 250 V dc, 690 V ac - 3 154 kA
RS Stock No. 381-3821
Mfr. Part No.KG20B T203/GBA282 VE
$187.12
Each
units
3 25 A - - DIN Rail - - 7.5 kW IP65 Yes 690 V ac Yes 3 -
RS Stock No. 257-3522
Mfr. Part No.VCF02GE
$236.58
Each
units
3 10 A - TeSys Panel Mount VARIO - 4 kW IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 518-7304
Mfr. Part No.3LD2022-1TL13
BrandSiemens
$78.90
Each
units
3 + N 16 A - - Panel Mount - NO/NC 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 466-249
BrandRS PRO
$47.54
Each
units
4 20 A - - DIN Rail - - 7.5 kW IP65 Yes 690 V ac - 3 5 kA
RS Stock No. 381-3865
Mfr. Part No.KG80 T203/GBA282 VE
$123.45
Each
units
3 80 A - - DIN Rail - - 30 kW IP65 Yes 690 V ac Yes 3 -
RS Stock No. 329-3839
Mfr. Part No.KG126 T206/GBA010 VE
$415.59
Each
units
6 125 A - - DIN Rail - - 45 kW IP65 Yes 1 kV ac Yes 3 -
RS Stock No. 518-7067
Mfr. Part No.3LD2050-1TL13
BrandSiemens
$55.34
Each
units
3 + N 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 381-3859
Mfr. Part No.KG64B T203/GBA282 VE
$261.10
Each
units
3 63 A - - DIN Rail - - 22 kW IP65 Yes 690 V ac Yes 3 -
RS Stock No. 466-144
BrandRS PRO
$50.99
Each
units
3 40 A - - Panel Mount - - 15 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 686-7278
Mfr. Part No.1SCA105332R1001
BrandABB
$70.60
Each
units
3 63 A - - DIN Rail - - 22 kW IP20 - 750 V ac - 3 1 kA
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