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. 150-102
Mfr. Part No.8345-B01A-U3M0-DB1B1B-125A
BrandETA
MYR386.45
Each
units
1 125 A - - Panel Mount - - - IP00, IP40 - 80 V dc, 480 V ac - - -
RS Stock No. 621-7939
Mfr. Part No.280942 & P5-250/V/SVB
BrandEaton
MYR1,608.27
Each
units
3 250A - - Panel Mount - NO 90kW IP65 Yes 415V ac Yes 3 4600A
RS Stock No. 257-3667
Mfr. Part No.VCCF4
MYR516.91
Each
units
3 80A - TeSys Panel Mount VARIO - 37kW - Yes 690V ac - 3 8kV
RS Stock No. 686-7341
Mfr. Part No.1SCA105023R1001
BrandABB
MYR464.65
Each
units
3 100A - - Panel Mount - - 37kW IP20 - 750V ac - 3 2.5kA
RS Stock No. 518-7483
Mfr. Part No.3LD2804-0TK51
BrandSiemens
MYR720.46
Each
units
3 125A - - Panel Mount - - 45kW IP65 Yes 690V ac - 3 2000A
RS Stock No. 110-4492
Mfr. Part No.182431 & T0-3-15680/I2H/MBS/SVB
BrandEaton
MYR253.82
Each
units
3 + N 20A - - - - NO/NC 6kW IP65 Yes 415V Yes 3 -
RS Stock No. 500-0948
Mfr. Part No.1SCA022401R0330 - OTP16KA3M1
BrandABB
MYR304.36
Each
units
3 23A - - - - NO/NC 7.5kW IP65 - 690V ac Yes 3 6.5A
RS Stock No. 805-5601
Mfr. Part No.172865 & P1-32/M4/SVB
BrandEaton
MYR242.16
Each
units
3 32A - - Panel Mount - NO 18.5kW IP65 Yes 690V ac - - 250A
RS Stock No. 828-5322
Mfr. Part No.KG64B T904/GBA004 *ST
MYR1,567.22
Each
units
4 63A - - - - NO 18.5 kW, 22kW IP66 Yes 690 V, 380 → 415V - 3 -
RS Stock No. 122-0481
Mfr. Part No.22003003
BrandSocomec
MYR123.24
Each
units
3 32A - SIRCO - SIRCO M - 15kW IP20 - 415 V ac, 690V ac - 3 -
RS Stock No. 773-0679
Mfr. Part No.045992 & T0-2-1/V/SVB-SW
BrandEaton
MYR160.92
Each
units
3 10A - - - - 3NO 4kW IP65 Yes 690V ac - - -
RS Stock No. 539-3773
Mfr. Part No.4404.0010
BrandSchurter
MYR14.01
Each
units
1 15A - - - - - - - - 240 V ac, 32V dc - - -
RS Stock No. 518-7376
Mfr. Part No.3LD2565-0TB51
BrandSiemens
MYR549.56
Each
units
3 63A - - - - - 22kW IP65 Yes 690V ac - 3 1260A
RS Stock No. 103-8453
Mfr. Part No.207109 & T0-2-8900/I1
BrandEaton
MYR142.63
Each
units
3 + N 20A - - - T0-2 3NO 6.5kW IP65 - 690V - 1, 3 110A
RS Stock No. 193-6023
Mfr. Part No.KG64BT206/GBA004*KL
MYR902.16
Each
units
6 63A - - - - - 22kW IP65 Yes 690V ac Yes 3 -
RS Stock No. 241-3032
Mfr. Part No.KG20T204/GBA070*SB1
MYR992.52
Each
units
4 25A - - - - NO 7.5kW IP65 Yes 690V ac Yes 3 -
RS Stock No. 775-4091
Mfr. Part No.OT16F4C
BrandABB
MYR375.69
Each
units
4 16 A - - DIN Rail - 4NO - - - - Yes 3 -
RS Stock No. 841-2653
Mfr. Part No.OTDC32F3
BrandABB
MYR555.90
Each
units
3 32A - - - - 3NO+3NO - IP20 - - - - -
RS Stock No. 781-3664
Mfr. Part No.2200 3000
BrandSocomec
MYR90.79
Each
units
3 16A - SIRCO - SIRCO M NO/3NC (Auxiliary) 7.5kW IP20 Yes 690V ac Yes 3 16A
RS Stock No. 150-023
Mfr. Part No.8345-B01A-U3M0-DB1B1B-20A-V
BrandETA
MYR634.88
Each
units
1 20 A - - Panel Mount - - - IP00, IP40 - 80 V dc, 480 V ac - - -