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. 609-4275
Mfr. Part No.VCD1
TWD1,709.00
Each
units
3 32 A - TeSys Panel Mount VARIO - 15 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 805-5581
Mfr. Part No.P1-25/M4/SVB-SW
BrandEaton
TWD1,506.00
Each
units
3 25 A - - Panel Mount - NO 11 kW IP65 Yes 690 V ac - - 150 A
RS Stock No. 773-0650
Mfr. Part No.T0-2-1/I1/SVB-SW
BrandEaton
TWD1,157.00
Each
units
3 10 A - - Enclosed - 3NO 4 kW IP65 Yes 690 V ac - - -
RS Stock No. 311-5622
Mfr. Part No.KG32AT203/GBA011FT2
TWD1,048.00
Each
units
3 32 A - - Panel Mount - - 11 kW IP65 Yes 690 V ac - 3 -
RS Stock No. 279-6135
Mfr. Part No.VCF01
TWD1,619.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 900-1841
Mfr. Part No.KER3100UL
BrandAltech
TWD26,327.00
Each
units
3 100 A - - Panel Mount KER - - IP66 Yes 600 V ac Yes 3 -
RS Stock No. 257-3544
Mfr. Part No.VCF0GE
TWD1,478.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 7.5 kW IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 922-7251
Mfr. Part No.IS-100/2
BrandEaton
TWD778.00
Each
units
2 100 A - - DIN Rail IS 2NO - IP40 - 415 V - 1 2 kA
RS Stock No. 330-7685
Mfr. Part No.T0-2-1/I1/SVB
BrandEaton
TWD1,233.00
Each
units
3 20 A - - Enclosed - NO 6.5 kW IP65 Yes 415 V ac Yes 3 320 A
RS Stock No. 609-4253
Mfr. Part No.VCD01
TWD1,484.00
Each
units
3 20 A - TeSys Panel Mount VARIO - 11 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 381-3821
Mfr. Part No.KG20B T203/GBA282 VE
TWD1,282.00
Each
units
3 25 A - - DIN Rail - - 7.5 kW IP65 Yes 690 V ac Yes 3 -
RS Stock No. 333-495
Mfr. Part No.P1-25/V/SVB
BrandEaton
TWD1,724.00
Each
units
3 25 A - - Enclosed - NO 13 kW IP65 Yes 440 V ac Yes 3 640 A
RS Stock No. 466-277
BrandRS PRO
TWD1,225.00
Each
units
3 63 A - - DIN Rail - - 22 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 686-7281
Mfr. Part No.1SCA105798R1001
BrandABB
TWD1,423.00
Each
units
3 80 A - - DIN Rail - - 37 kW IP20 - 750 V ac - 3 1 kA
RS Stock No. 323-151
Mfr. Part No.P3-100/V/SVB
BrandEaton
TWD4,370.00
Each
units
3 100 A - - Enclosed - NO 50 kW IP65 Yes 440 V ac Yes 3 2000 A
RS Stock No. 773-8008
BrandRS PRO
TWD2,604.00
Each
units
4 63 A - - Panel Mount - - 30 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 773-8005
BrandRS PRO
TWD2,536.00
Each
units
4 40 A - - Panel Mount - - 18.5 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 773-0632
Mfr. Part No.P1-25/I2H/SVB-SW
BrandEaton
TWD1,441.00
Each
units
3 25 A - - Enclosed - 3NO 11 kW IP65 Yes 690 V ac - - -
RS Stock No. 805-5626
Mfr. Part No.P3-100/M4/K2-PR
BrandEaton
TWD5,631.00
Each
units
3 100 A - - Panel Mount - NO 45 kW IP65 Yes 690 V ac - - 520 A
RS Stock No. 193-6067
Mfr. Part No.KG32T203/GBA020*KS
TWD1,393.00
Each
units
3 32 A - - - - NO 11 kW IP65 Yes 690 V ac Yes 3 -