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. 136-9414
Mfr. Part No.SDRC01256EB/RS
MYR3,560.61
Each
units
6P + 2 EB 125A - - Wall Mount SDRC - 63kW IP65 Yes 690V ac Yes 3 125A
RS Stock No. 257-9356
Mfr. Part No.053110 & T0-1-8200/EA/SVB
BrandEaton
MYR158.34
Each
units
1 20A - - Panel Mount - NO 6.5kW IP65 Yes 415V ac Yes 1 320A
RS Stock No. 841-2647
Mfr. Part No.1SCA121456R1001
BrandABB
MYR396.15
Each
units
2 32A - - - - 2NO+2NO - IP20 - 660V dc - - -
RS Stock No. 175-5092
Mfr. Part No.SD203/40
BrandABB
MYR315.51
Each
units
3 40A - Pro M Compact - SD203 3NO - - Yes 440V ac Yes - -
RS Stock No. 727-1486
Mfr. Part No.2CMA142435R1000
BrandABB
MYR648.82
Each
units
2 25A - - - - - 7.5kW IP65 - 400V ac - 1 690V ac
RS Stock No. 381-3770
Mfr. Part No.KG32B T904/GBA021 VE
MYR432.06
Each
units
4 32A - - - - 3NO/NC 11kW IP65 Yes 690V ac Yes 3 -
RS Stock No. 176-6790
Mfr. Part No.2CSM202392R1801
BrandABB
MYR255.78
Each
units
2 50A - - - 2CSM - - - - 690V ac - - -
RS Stock No. 714-1802
Mfr. Part No.SDMG253
MYR733.40
Each
units
3 25A - - - - 3NO 15kW IP65 Yes 690V Yes 3 6kV
New
RS Stock No. 203-2163
Mfr. Part No.3LD2203-1TL51
BrandSiemens
MYR327.65
Each
units
- - - - - - - - - - - - - -
RS Stock No. 841-2672
Mfr. Part No.1SCA125129R1001
BrandABB
MYR365.20
Each
units
2 16A - - Panel Mount - 2NO+2NO - - - 660V dc - - -
RS Stock No. 518-6761
Mfr. Part No.3LD2064-1GP53
BrandSiemens
MYR358.06
Each
units
3 16A - - - - NO/NC 7.5kW IP65 Yes 690V ac Yes 3 -
RS Stock No. 431-6551
Mfr. Part No.78637655 & T3-4-15682/I2H/K-CI-K1/2
BrandEaton
MYR480.05
Each
units
6 - - - - - NO/NC 22kW IP65 - 240 V dc, 690V ac Yes - 6000V ac
RS Stock No. 176-9731
Mfr. Part No.207295 & P1-25/I2/SVB-SW/HI11
BrandEaton
MYR313.73
Each
units
3 25A - - Surface Mount - NO/NC 13kW IP65 Yes 690V ac Yes - 640A
RS Stock No. 805-5613
Mfr. Part No.172835 & P1-32/XM
BrandEaton
MYR173.49
Each
units
3 32A - - - - - 13kW IP65 Yes 690V Yes 3 32A
RS Stock No. 518-7326
Mfr. Part No.3LD2264-0TB53
BrandSiemens
MYR243.93
Each
units
3 32A - - - - - 11.5kW IP65 Yes 690V ac - 3 -
New
RS Stock No. 203-2175
Mfr. Part No.3LD2254-0TK51
BrandSiemens
MYR254.42
Each
units
- - - - - - - - - - - - - -
RS Stock No. 810-0808
Mfr. Part No.SD00403B
MYR201.32
Each
units
3 40A - - - - - 15kW IP65 Yes 415V Yes - 0.6kA
RS Stock No. 518-7398
Mfr. Part No.3LD2704-0TK51
BrandSiemens
MYR626.75
Each
units
3 100A - - Panel Mount - - 37kW IP65 Yes 690V ac - 3 2000A
RS Stock No. 257-3566
Mfr. Part No.VCF3GE
MYR600.33
Each
units
3 50A - TeSys Panel Mount VARIO - 22kW IP65 Yes 690V ac - 3 8kV
RS Stock No. 819-876
Mfr. Part No.30AXD2
BrandEaton
MYR1,022.22
Each
units
2 32 A dc, 32 A ac - - - - - - - Yes 250 V dc, 415 V ac - 1 960 A