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. 518-6856
Mfr. Part No.3LD2203-0TK53
BrandSiemens
HK$279.29
Each
units
3 32 A - - Panel Mount - - 11.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 775-4105
Mfr. Part No.1SCA105019R1001
BrandABB
HK$2,936.99
Each
units
4 100 A - - DIN Rail - 4NO - - - - Yes 3 -
RS Stock No. 330-7809
Mfr. Part No.T3-3-8212/I2
BrandEaton
HK$672.10
Each
units
3 25 A dc, 32 A ac - - Enclosed - 3NO/3NC 22 kW IP65 - 240 V dc, 690 V ac - 3 6000 V ac
RS Stock No. 518-6783
Mfr. Part No.3LD2103-0TK53
BrandSiemens
HK$219.71
Each
units
3 25 A - - Panel Mount - - 9.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 280-8250
Mfr. Part No.28913
HK$1,841.84
Each
units
4 160 A - - DIN Rail - - 110 kW IP40 Yes 250 V dc, 690 V ac - 3 154 kA
RS Stock No. 466-150
BrandRS PRO
HK$173.09
Each
units
3 32 A - - Panel Mount - - 11 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 433-7643
Mfr. Part No.VCFN25GE
HK$400.40
Each
units
3 20 A - TeSys Panel Mount VARIO - 7.5 kW IP55 Yes 690 V ac - 3 8 kV
RS Stock No. 257-3538
Mfr. Part No.VCF01GE
HK$316.20
Each
units
3 16 A - TeSys Panel Mount VARIO - 5.5 kW IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 282-1714
Mfr. Part No.KG100T204/GBA008*KL
HK$1,648.39
Each
units
4 100 A - - - - NO 37 kW IP65 Yes 690 V ac Yes 3 -
RS Stock No. 742-7468
Mfr. Part No.2967015
HK$85.11
Each
units
- - - - - - - - - - - - - -
RS Stock No. 416-714
Mfr. Part No.AF1X0038041F2D
HK$216.44
Each
units
1 15 A - - Panel Mount - - - - - 65 V dc, 250 V ac - - 15 A
RS Stock No. 257-9514
Mfr. Part No.T5B-1-102/EA/SVB
BrandEaton
HK$789.82
Each
units
2 63 A - - Panel Mount - NO 22 kW IP65 Yes 440 V ac Yes 1 1300 A
RS Stock No. 330-7691
Mfr. Part No.T0-2-8211/I1
BrandEaton
HK$286.90
Each
units
2 10 A dc, 20 A ac - - Enclosed - 2NO/2NC 7.5 kW IP65 - 240 V dc, 690 V ac - 1 6000 V ac
RS Stock No. 466-144
BrandRS PRO
HK$208.61
Each
units
3 40 A - - Panel Mount - - 15 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 433-7564
Mfr. Part No.VCCF6
HK$2,493.92
Each
units
3 175 A - TeSys Panel Mount VARIO - 55 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 257-3601
Mfr. Part No.VCCF01
HK$340.38
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 377-745
Mfr. Part No.T0-4-8213/I1H
BrandEaton
HK$444.71
Each
units
4 10 A dc, 20 A ac - - Enclosed - 4NO/4NC 7.5 kW IP65 Yes 240 V dc, 690 V ac - 3 6000 V ac
RS Stock No. 686-7290
Mfr. Part No.1SCA105033R1001
BrandABB
HK$940.24
Each
units
3 125 A - - DIN Rail - - 45 kW IP20 - 750 V ac - 3 2.5 kA
RS Stock No. 280-8339
Mfr. Part No.28929
HK$1,933.36
Each
units
4 160 A - - DIN Rail - - 110 kW IP40 Yes 250 V dc, 690 V ac - 3 154 kA
RS Stock No. 257-3645
Mfr. Part No.VCCF2
HK$395.83
Each
units
3 40 A - TeSys Panel Mount VARIO - 18.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
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