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. 466-201
BrandRS PRO
HK$40.18
Each
units
1 63 A - - Main Contact - - - IP65 No 690 V ac - 1 30 kA
RS Stock No. 433-7615
Mfr. Part No.VBD2
HK$480.48
Each
units
3 40 A - TeSys Panel Mount VARIO - 18.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 805-5641
Mfr. Part No.P3-100/XM
BrandEaton
HK$727.81
Each
units
3 100 A - - DIN Rail - - 37 kW IP65 Yes 690 V Yes 3 100 A
RS Stock No. 686-7281
Mfr. Part No.1SCA105798R1001
BrandABB
HK$374.25
Each
units
3 80 A - - DIN Rail - - 37 kW IP20 - 750 V ac - 3 1 kA
RS Stock No. 922-0878
Mfr. Part No.ONE20M2Y
BrandABB
HK$181.67
Each
units
2 20 A - - Panel Mount ONE20 - - - - 240 V - - -
RS Stock No. 466-122
BrandRS PRO
HK$747.41
Each
units
4 100 A - - DIN Rail - - 45 kW IP65 Yes 690 V ac - 3 30 kA
RS Stock No. 773-7964
BrandRS PRO
HK$291.52
Each
units
4 32 A - - Panel Mount - - 15 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 466-273
BrandRS PRO
HK$209.62
Each
units
3 25 A - - DIN Rail - - 11 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 257-3651
Mfr. Part No.VCCF3
HK$569.41
Each
units
3 63 A - TeSys Panel Mount VARIO - 30 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 466-223
BrandRS PRO
HK$336.53
Each
units
4 63 A - - DIN Rail - - 22 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 393-9721
Mfr. Part No.T3-1-102/I2H/SVB+K-CI-K2
BrandEaton
HK$470.87
Each
units
2 32 A - - Enclosed - - 13 kW IP65 Yes 400 V ac - 1 -
RS Stock No. 518-6755
Mfr. Part No.3LD2064-1GP51
BrandSiemens
HK$412.41
Each
units
3 16 A - - Enclosed - NO/NC 7.5 kW IP65 Yes 690 V ac Yes 3 340 A
RS Stock No. 393-9692
Mfr. Part No.T3-1-8200/I2H/SVB+K-CI-K2
BrandEaton
HK$457.37
Each
units
1 32 A - - Enclosed - - 13 kW IP65 Yes 400 V ac - 1 -
RS Stock No. 341-2119
Mfr. Part No.FSDDR0323
HK$2,864.23
Each
units
3 32 A - - Enclosed - - 15 kW IP65 Yes 415 V ac Yes 3 50 kA
RS Stock No. 111-7857
Mfr. Part No.GAZ025
BrandLovato
HK$224.86
Each
units
3 25 A - - DIN Rail GA 3NO - IP65 Yes 600 V ac - 3 5 kA
RS Stock No. 330-7988
Mfr. Part No.T0-1-102/I1/SVB
BrandEaton
HK$298.96
Each
units
2 20 A - - Enclosed - NO 6.5 kW IP65 Yes 440 V ac Yes 1 320 A
RS Stock No. 111-7848
Mfr. Part No.GA080A
BrandLovato
HK$331.80
Each
units
3 80 A - - DIN Rail GA 3NO 45 kW IP65 Yes 690 V - 3 1000 A
RS Stock No. 466-188
BrandRS PRO
HK$281.74
Each
units
3 40 A - - DIN Rail - - 15 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 686-7278
Mfr. Part No.1SCA105332R1001
BrandABB
HK$356.86
Each
units
3 63 A - - DIN Rail - - 22 kW IP20 - 750 V ac - 3 1 kA
RS Stock No. 876-8470
Mfr. Part No.75908BX
BrandLittelfuse
HK$715.00
Each
units
1 300 A - - Panel Mount 75908 SPDT - - - 6 36 V dc - - 2000 A