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. 518-7398
Mfr. Part No.3LD2704-0TK51
BrandSiemens
kr 1 006,97
Each
Units
3 100 A - - Panel Mount - - 37 kW IP65 Yes 690 V ac - 3 2000 A
RS Stock No. 518-6676
Mfr. Part No.3LD2022-0TK13
BrandSiemens
kr 282,15
Each
Units
3 16 A - - Panel Mount - NO/NC 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 518-6812
Mfr. Part No.3LD2003-0TK53
BrandSiemens
kr 314,06
Each
Units
3 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 518-7067
Mfr. Part No.3LD2050-1TL13
BrandSiemens
kr 394,81
Each
Units
3 + N 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 518-6979
Mfr. Part No.3LD2003-0TK51
BrandSiemens
kr 314,06
Each
Units
3 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 340 A
RS Stock No. 518-7411
Mfr. Part No.3LD2022-1TL11
BrandSiemens
kr 361,91
Each
Units
3 + N 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 340 A
RS Stock No. 518-7017
Mfr. Part No.3LD2203-0TK51
BrandSiemens
kr 387,83
Each
Units
3 32 A - - Panel Mount - - 11.5 kW IP65 - 690 V ac - 3 640 A
RS Stock No. 518-6733
Mfr. Part No.3LD2064-0TB53
BrandSiemens
kr 457,62
Each
Units
3 16 A - - Enclosed - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 518-6660
Mfr. Part No.3LD2022-0TK11
BrandSiemens
kr 282,15
Each
Units
3 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 340 A
RS Stock No. 518-7348
Mfr. Part No.3LD2264-1GP53
BrandSiemens
kr 713,85
Each
Units
3 32 A - - Enclosed - NO/NC 11.5 kW IP65 Yes 690 V ac Yes 3 6000 V
RS Stock No. 518-7360
Mfr. Part No.3LD2264-0TB51
BrandSiemens
kr 590,22
Each
Units
3 32 A - - Enclosed - - 11.5 kW IP65 Yes 690 V ac - 3 640 A
RS Stock No. 518-6705
Mfr. Part No.3LD2103-0TK51
BrandSiemens
kr 346,96
Each
Units
3 25 A - - Panel Mount - - 9.5 kW IP65 Yes 690 V ac - 3 640 A
RS Stock No. 518-7146
Mfr. Part No.3LD2050-1TL11
BrandSiemens
kr 394,81
Each
Units
3 + N 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 340 A
RS Stock No. 518-7332
Mfr. Part No.3LD2264-1GP51
BrandSiemens
kr 713,85
Each
Units
3 32 A - - Enclosed - NO/NC 11.5 kW IP65 Yes 690 V ac - 3 640 A
RS Stock No. 518-6799
Mfr. Part No.3LD2122-0TK11
BrandSiemens
kr 309,07
Each
Units
3 25 A - - Panel Mount - - 9.5 kW IP65 Yes 690 V ac - 3 640 A
RS Stock No. 518-7506
Mfr. Part No.3LD2766-0TB51
BrandSiemens
kr 1 650,63
Each
Units
3 100 A - - Enclosed - - 37 kW IP65 Yes 690 V ac - 3 2000 A
RS Stock No. 518-6828
Mfr. Part No.3LD2150-0TK13
BrandSiemens
kr 342,97
Each
Units
3 25 A - - Panel Mount - - 9.5 kW IP65 Yes 690 V ac - 3 6000 V
RS Stock No. 151-1235
Mfr. Part No.5TL1692-0
BrandSiemens
kr 2 143,55
Each
Units
3 125 A - - DIN Rail 5TL1 3NO - - - 440 V - - 0.375 kA
RS Stock No. 151-1222
Mfr. Part No.5TL1140-0
BrandSiemens
kr 203,39
Each
Units
1 40 A - - DIN Rail 5TL1 NO - - - 250 V - - 0.12 kA
RS Stock No. 518-7427
Mfr. Part No.3LD2704-0TK53
BrandSiemens
kr 1 006,97
Each
Units
3 100 A - - Panel Mount - - 37 kW IP65 Yes 690 V ac - 3 6000 V