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. 433-7643
Mfr. Part No.VCFN25GE
MYR252.47
Each
units
3 20A - TeSys Panel Mount VARIO - 7.5kW IP55 Yes 690V ac - 3 8kV
RS Stock No. 773-0632
Mfr. Part No.227861 & P1-25/I2H/SVB-SW
BrandEaton
MYR247.92
Each
units
3 25A - - - P1-25 3NO 11kW IP65 Yes 690V ac - - -
RS Stock No. 381-3821
Mfr. Part No.KG20B T203/GBA282 VE
MYR246.01
Each
units
3 25A - - - - - 7.5kW IP65 Yes 690V ac Yes 3 -
RS Stock No. 629-2031
Mfr. Part No.70023735 & T0-4-15682/I1H/K-CI-K1/2
BrandEaton
MYR265.45
1 Box of 1
Box(es)
- 14A - - - T0-4 6NO - IP65 No - - - -
RS Stock No. 187-526
Mfr. Part No.VCCD2
MYR330.40
Each
units
- - - - - - - - - - - - - -
RS Stock No. 790-7400
Mfr. Part No.A9S60120
MYR63.05
Each
units
1 20A - Acti 9 - iSW NO - IP40 - 250V Yes - 4kV
RS Stock No. 280-8193
Mfr. Part No.28901
MYR464.06
Each
units
4 40A - - - - - 220kW IP40 Yes 250 V dc, 500V ac - 3 75kA
RS Stock No. 518-6755
Mfr. Part No.3LD2064-1GP51
BrandSiemens
MYR365.22
Each
units
3 16A - - - - NO/NC 7.5kW IP65 Yes 690V ac Yes 3 340A
RS Stock No. 330-8098
Mfr. Part No.207145 & T0-1-8200/I1/SVB
BrandEaton
MYR210.82
Each
units
1 - - - - T0-1 - 7.5kW IP65 Yes 240 V dc, 690V ac - 1 6000V ac
RS Stock No. 773-0650
Mfr. Part No.207148 & T0-2-1/I1/SVB-SW
BrandEaton
MYR199.03
Each
units
3 10A - - - T0-1 3NO 4kW IP65 Yes 690V ac - - -
RS Stock No. 466-211
BrandRS PRO
MYR379.09
Each
units
4 32 A - - DIN Rail - NO/NC 11 kW IP65 Yes 750 V No 3 6 kV
RS Stock No. 342-2324
Mfr. Part No.KG10BT203/GBA254 E
MYR126.17
Each
units
3 20A - - - - - 5.5kW IP65 Yes 690V ac - 3 -
RS Stock No. 629-2075
Mfr. Part No.70022723 & T0-1-8220/I1H(RS629-2075)
BrandEaton
MYR158.71
1 Box of 1
Box(es)
1 - - - - T0-1 NO/NC 7.5kW IP65 - 240 V dc, 690V ac - 1 6000V ac
RS Stock No. 762-2405
Mfr. Part No.OT20TPN-B
BrandABB
MYR856.10
Each
units
3 + N 32A - - - - - - IP65 Yes 415V ac - 3 -
RS Stock No. 518-7023
Mfr. Part No.3LD2250-0TK11
BrandSiemens
MYR249.88
Each
units
3 32A - - Panel Mount - - 11.5kW IP65 Yes 690V ac - 3 640A
RS Stock No. 781-3673
Mfr. Part No.2200 3002
BrandSocomec
MYR110.78
Each
units
3 25A - SIRCO - SIRCO M NO/3NC (Auxiliary) 11kW IP20 Yes 690V ac Yes 3 25A
RS Stock No. 762-2449
Mfr. Part No.OT200TPN-B
BrandABB
MYR4,794.68
Each
units
3 + N 200A - - - - - - IP65 Yes 415V ac - 3 -
RS Stock No. 773-8024
BrandRS PRO
MYR239.10
Each
units
4 32A - - Panel Mount - - 18.5kW IP54 Yes 690V ac Yes 3 30kA
RS Stock No. 790-7472
Mfr. Part No.A9S60432
MYR210.39
Each
units
4 32A - Acti 9 - iSW 4NO - IP40 - 415V Yes - 4kV
RS Stock No. 818-435
Mfr. Part No.081438 & P1-32/EA/SVB
BrandEaton
MYR254.21
Each
units
3 32A - - Panel Mount P1-32 NO 15kW IP65 Yes 440V ac Yes 3 640A