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. 282-1556
Mfr. Part No.KG251T204/GBA014VE
MYR1,869.95
Each
units
4 250 A - - - - - 90 kW IP65 Yes 1 kV ac - 3 -
RS Stock No. 610-0099
Mfr. Part No.VCF4
MYR406.35
Each
units
3 80 A - TeSys Panel Mount VARIO - 37 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 282-1635
Mfr. Part No.KG251T204/GBA015E
MYR1,776.30
Each
units
4 250 A - - Panel Mount - - - IP65 Yes 690 V ac - 3 -
RS Stock No. 330-8010
Mfr. Part No.207198 & T3-1-102/I2/SVB
BrandEaton
MYR287.13
Each
units
2 32 A - - Enclosed - NO 13 kW IP65 Yes 440 V ac Yes 1 650 A
RS Stock No. 111-7846
Mfr. Part No.GA063SA
BrandLovato
MYR123.20
Each
units
3 63 A - - DIN Rail GA 3NO 22 kW IP65 Yes 690 V - 3 360 A
RS Stock No. 197-3316
Mfr. Part No.VLS3P040R1
MYR186.77
Each
units
3 40 A TeSys VARIO LS TeSys DIN Rail VLS3P 3 NO 22 kW IP20 - - - - -
RS Stock No. 192-0894
Mfr. Part No.1SCA022710R0100
BrandABB
MYR1,510.42
Each
units
- 250 A 1SCA022710R0100 - Plug In - - 170 kW IP65 - - - - -
RS Stock No. 810-0811
Mfr. Part No.SD00633B
MYR262.74
Each
units
3 63 A - - DIN Rail - - 25 kW IP65 Yes 415 V Yes - 1.3 kA
RS Stock No. 841-2653
Mfr. Part No.OTDC32F3
BrandABB
MYR555.90
Each
units
3 32 A - - DIN Rail - 3NO+3NO - IP20 - 1 kV dc - - -
RS Stock No. 393-9973
Mfr. Part No.78634702 | T3-2-8221/I2H/K-CI-K1/2
BrandEaton
MYR295.62
Each
units
2 25 A dc, 32 A ac - - Enclosed - 2NO/2NC 22 kW IP65 - 240 V dc, 690 V ac - 1 6000 V ac
RS Stock No. 191-7549
Mfr. Part No.KG32T203/GBA024VE
MYR217.52
Each
units
3 32 A - - - - - 11 kW IP65 Yes 690 V ac - 3 -
RS Stock No. 176-6801
Mfr. Part No.2CSM204942R1801
BrandABB
MYR678.43
Each
units
2 125 A - - DIN Rail 2CSM - - - - 690 V ac - - -
RS Stock No. 518-7398
Mfr. Part No.3LD2704-0TK51
BrandSiemens
MYR423.10
Each
units
3 100 A - - Panel Mount - - 37 kW IP65 Yes 690 V ac - 3 2000 A
RS Stock No. 175-5086
Mfr. Part No.SD202/40
BrandABB
MYR200.91
Each
units
2 40 A - Pro M Compact DIN Rail SD202 2NO - IP20, IP40 Yes 125 V dc, 440 V ac Yes - -
RS Stock No. 191-7533
Mfr. Part No.KG20T203/GBA024VE
MYR191.57
Each
units
3 25 A - - - - - 7.5 kW IP65 Yes 690 V ac - 3 -
RS Stock No. 134-6006
Mfr. Part No.SEA91253N
MYR573.65
Each
units
3 + N 125 A - Acti 9 DIN Rail - - - IP20, IP55 - 415 V - 3 25 kA
RS Stock No. 518-6878
Mfr. Part No.3LD2222-0TK13
BrandSiemens
MYR155.95
Each
units
3 32 A - - Panel Mount - - 11.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 629-2110
Mfr. Part No.70011634 & T0-3-8212/I1H
BrandEaton
MYR187.17
1 Box of 1
Box(es)
3 10 A dc, 20 A ac - - Enclosed - 3NO/3NC 18.5 kW IP65 - 240 V dc, 690 V ac - 3 6000 V ac
RS Stock No. 176-9738
Mfr. Part No.041246 & T0-2-1/EA/SVB-SW
BrandEaton
MYR163.20
Each
units
3 20 A - - Flush Mount - - 5.5 kW IP65 Yes 690 V ac - 1, 3 320 A
RS Stock No. 176-9753
Mfr. Part No.070194 & P1-25/EA/SVB-SW/HI11
BrandEaton
MYR273.02
Each
units
3 25 A - - Flush Mount - NO/NC 13 kW IP65 Yes 690 V ac Yes 1, 3 640 A
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