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. 790-7438
Mfr. Part No.A9S61232
HK$549.12
Each
units
2 32 A - Acti 9 DIN Rail iSW 2NO - IP40 - 230 V Yes - 4 kV
RS Stock No. 282-0862
Mfr. Part No.S426KN-A
BrandABB
HK$926.37
Each
units
4 63 A - - - - - 26 kW IP65 - - - 3 -
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. 518-6733
Mfr. Part No.3LD2064-0TB53
BrandSiemens
HK$328.10
Each
units
3 16 A - - Enclosed - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 819-927
Mfr. Part No.100AXTN2
BrandEaton
HK$4,788.67
Each
units
3 + N 100 A - - - - - - - Yes 250 V dc, 415 V ac - 3 3750 A
RS Stock No. 609-4332
Mfr. Part No.VVE0
HK$302.82
Each
units
3 25 A - TeSys Panel Mount VARIO - 11 W IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 330-7821
Mfr. Part No.T0-2-1/I1
BrandEaton
HK$242.64
Each
units
3 10 A dc, 20 A ac - - Enclosed - - 22 kW IP65 - 240 V dc, 690 V ac - 3 6000 V ac
RS Stock No. 111-7857
Mfr. Part No.GAZ025
BrandLovato
HK$211.15
Each
units
3 25 A - - DIN Rail GA 3NO - IP65 Yes 600 V ac - 3 5 kA
RS Stock No. 764-912
Mfr. Part No.T0-2-15679/ST/SVB
BrandEaton
HK$1,165.05
Each
units
3 20 A - - Panel Mount - NO - IP65 Yes 440 V ac Yes 3 -
RS Stock No. 810-0791
Mfr. Part No.SD00253B
HK$288.40
Each
units
3 25 A - - DIN Rail - - 9 kW, 11 kW IP65 Yes 415 V, 690 V Yes - 0.5 kA
RS Stock No. 876-8470
Mfr. Part No.75908BX
BrandLittelfuse
HK$718.40
Each
units
1 300 A - - Panel Mount 75908 SPDT - - - 6 → 36 V dc - - 2000 A
RS Stock No. 433-7615
Mfr. Part No.VBD2
HK$482.76
Each
units
3 40 A - TeSys Panel Mount VARIO - 18.5 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 819-860
Mfr. Part No.15AXTN2
BrandEaton
HK$1,652.89
Each
units
3 + N 20 A - - - - - - - Yes 250 V dc, 415 V ac - 3 640 A
RS Stock No. 466-188
BrandRS PRO
HK$283.08
Each
units
3 40 A - - DIN Rail - - 15 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 489-6726
Mfr. Part No.5TE8111
BrandSiemens
HK$134.53
Each
units
1 20 A - - DIN Rail - NO - - - 230 V ac Yes 1 10 kA
RS Stock No. 686-7281
Mfr. Part No.1SCA105798R1001
BrandABB
HK$390.26
Each
units
3 80 A - - DIN Rail - - 37 kW IP20 - 750 V ac - 3 1 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. 433-7621
Mfr. Part No.VCFN12GE
HK$277.58
Each
units
3 10 A - TeSys Panel Mount Mini- VARIO - 4 kW IP55 Yes 690 V ac - 3 8 kV
RS Stock No. 393-9787
Mfr. Part No.T3-4-15682/I2H/SVB+K-CI-K2
BrandEaton
HK$846.79
Each
units
6 32 A - - Enclosed - NO/NC 13 kW IP65 Yes 400 V ac - - -
RS Stock No. 111-7848
Mfr. Part No.GA080A
BrandLovato
HK$311.61
Each
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3 80 A - - DIN Rail GA 3NO 45 kW IP65 Yes 690 V - 3 1000 A
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