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. 686-7313
Mfr. Part No.1SCA105711R1001
BrandABB
kr 323,03
Each
Units
4 - - - Panel Mount - - 7.5 kW IP20 - 750 V ac - - -
RS Stock No. 686-7275
Mfr. Part No.1SCA104932R1001
BrandABB
kr 403,79
Each
Units
4 40 A - - DIN Rail - - 11 kW IP20 - 750 V ac - 3 0.5 kA
RS Stock No. 500-1020
Mfr. Part No.1SCA022399R6750 - OTP16A3M
BrandABB
kr 726,81
Each
Units
3 23 A - - - - 2NO/2NC 7.5 kW IP65 - 690 V ac Yes 3 6.5 A
RS Stock No. 686-7266
Mfr. Part No.1SCA104902R1001
BrandABB
kr 308,67
Each
Units
3 - - - DIN Rail - - 11 kW IP20 - 750 V ac - - -
RS Stock No. 841-2697
Mfr. Part No.1SCA125154R1001
BrandABB
kr 1 633,09
Each
Units
3 25 A - - Panel Mount - 3NO+3NO - - - 1 kV dc - - -
RS Stock No. 282-0834
Mfr. Part No.S47K5N-A
BrandABB
kr 384,94
Each
Units
4 20 A - - - - - 7.5 kW IP65 - - - 3 -
RS Stock No. 500-0926
Mfr. Part No.1SCA022399R6590 - OTP16KA3M
BrandABB
kr 623,62
Each
Units
3 23 A - - - - NO/NC 7.5 kW IP65 - 690 V ac Yes 3 6.5 A
RS Stock No. 841-2647
Mfr. Part No.1SCA121456R1001
BrandABB
kr 686,43
Each
Units
2 32 A - - DIN Rail - 2NO+2NO - IP20 - 660 V dc - - -
RS Stock No. 686-7256
Mfr. Part No.1SCA104811R1001
BrandABB
kr 192,92
Each
Units
3 - - - DIN Rail - - 7.5 kW IP20 - 750 V ac - - -
RS Stock No. 686-7269
Mfr. Part No.1SCA104857R1001
BrandABB
kr 264,70
Each
Units
3 - - - DIN Rail - - 9 kW IP20 - 750 V ac - - -
RS Stock No. 841-2684
Mfr. Part No.1SCA125131R1001
BrandABB
kr 1 354,92
Each
Units
2 32 A - - Panel Mount - 2NO+2NO - - - 660 V dc - - -
RS Stock No. 775-4098
Mfr. Part No.1SCA104934R1001
BrandABB
kr 1 004,98
Each
Units
4 40 A - - DIN Rail - 4NO - - - - Yes 3 -
RS Stock No. 775-4108
Mfr. Part No.1SCA105369R1001
BrandABB
kr 1 345,95
Each
Units
4 63 A - - DIN Rail - 4NO - - - - Yes 3 -
RS Stock No. 841-2688
Mfr. Part No.1SCA125153R1001
BrandABB
kr 1 417,73
Each
Units
3 16 A - - Panel Mount - 3NO+3NO - - - 1 kV dc - - -
RS Stock No. 500-1042
Mfr. Part No.1SCA022399R6830 - OTP36A3M
BrandABB
kr 1 319,03
Each
Units
3 23 A - - - - 2NO/2NC 22 kW IP65 - 690 V ac Yes 3 13 A
RS Stock No. 686-7326
Mfr. Part No.1SCA104900R1001
BrandABB
kr 361,61
Each
Units
4 - - - Panel Mount - - 9 kW IP20 - 750 V ac - - -
RS Stock No. 500-0948
Mfr. Part No.1SCA022401R0330 - OTP16KA3M1
BrandABB
kr 560,81
Each
Units
3 23 A - - - - NO/NC 7.5 kW IP65 - 690 V ac Yes 3 6.5 A
RS Stock No. 841-2638
Mfr. Part No.OTDC25F2
BrandABB
kr 628,11
Each
Units
2 25 A - - DIN Rail - 2NO+2NO - IP20 - 660 V dc - - -
RS Stock No. 922-0890
Mfr. Part No.ONE20M4Y
BrandABB
kr 214,45
Each
Units
4 20 A - - Panel Mount ONE20 - - - - 415 V - - -
RS Stock No. 841-2690
Mfr. Part No.1SCA125155R1001
BrandABB
kr 1 183,36
Each
Units
3 32 A - - Panel Mount - 3NO+3NO - - - 1 kV dc - - -