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. 193-5216
Mfr. Part No.ME1X003813A34BC
SGD14.52
Each
units
1 15A - - - M - - - - 32V dc - - -
RS Stock No. 686-7278
Mfr. Part No.OT63F3 1SCA105332R1001
BrandABB
SGD103.92
Each
units
3 63A - - - - - 22kW IP20 - 750V ac - 3 1kA
RS Stock No. 150-023
Mfr. Part No.8345-B01A-U3M0-DB1B1B-20A-V
BrandETA
SGD190.04
Each
units
- - - - - - - - - - - - - -
RS Stock No. 381-3584
Mfr. Part No.KG20 T203/GBA283 KS1V
SGD58.07
Each
units
3 25A - - - - - 7.5kW IP66, IP67 Yes 690V ac - 3 -
RS Stock No. 499-7188
Mfr. Part No.207405 & T0-2-8900/V/SVB
BrandEaton
SGD65.19
Each
units
3 + N 20A - - - T0-2 NO 6.5kW IP65 Yes 415V ac Yes 3 320A
RS Stock No. 518-7499
Mfr. Part No.3LD2766-0TB53
BrandSiemens
SGD410.10
Each
units
3 100A - - - - - 37kW IP65 Yes 690V ac - 3 -
RS Stock No. 257-9514
Mfr. Part No.094469 & T5B-1-102/EA/SVB
BrandEaton
SGD171.31
Each
units
2 63A - - Panel Mount T5B NO 22kW IP65 Yes 440V ac Yes 1 1300A
RS Stock No. 433-7609
Mfr. Part No.VBD1
SGD79.63
Each
units
3 32A - TeSys Panel Mount VARIO - 15kW - Yes 690V ac - 3 8kV
RS Stock No. 333-518
Mfr. Part No.048218 & P3-63/V/SVB
BrandEaton
SGD158.76
Each
units
3 63A - - Rear Panel P3-63 NO 37kW IP65 Yes 440V ac Yes 3 1260A
RS Stock No. 764-912
Mfr. Part No.78627606 & T0-2-15679/ST/SVB
BrandEaton
SGD228.62
Each
units
3 20A - - Panel Mount T0-2 NO - IP65 Yes 440V ac Yes 3 -
RS Stock No. 609-4332
Mfr. Part No.VVE0
SGD55.93
Each
units
3 25A - TeSys Panel Mount VARIO - 11W - Yes 690V ac - 3 8kV
RS Stock No. 257-3544
Mfr. Part No.VCF0GE
SGD67.56
Each
units
3 20A - TeSys Panel Mount VARIO - 7.5kW IP65 Yes 690V ac - 3 8kV
RS Stock No. 111-7845
Mfr. Part No.GA040A
BrandLovato
SGD34.66
Each
units
3 40A - - - GA 3NO 22kW IP65 Yes 690V - 3 320A
RS Stock No. 103-8444
Mfr. Part No.091079 & P1-32/EA/SVB/N
BrandEaton
SGD103.89
Each
units
3 + N 32A - - Panel Mount P1-32 3NO 15kW IP65 Yes 690V - 1, 3 300A
RS Stock No. 331-6500
Mfr. Part No.S315KN-A S315KN
BrandABB
SGD75.04
Each
units
3 40A - - - - - 15kW IP65 - - - 3 -
RS Stock No. 841-2647
Mfr. Part No.OTDC32F2 1SCA121456R1001
BrandABB
SGD97.93
Each
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2 32A - - - - 2NO+2NO - IP20 - 660V dc - - -
RS Stock No. 466-249
BrandRS PRO
SGD31.62
Each
units
- - - - - - - - - - - - - -
RS Stock No. 393-9759
Mfr. Part No.227868 & P1-32/I2H/SVB
BrandEaton
SGD93.23
Each
units
3 32A - - - P1-32 NO 15kW IP65 Yes 440V ac Yes 3 640A
RS Stock No. 257-3538
Mfr. Part No.VCF01GE
SGD71.92
Each
units
3 16A - TeSys Panel Mount VARIO - 5.5kW IP65 Yes 690V ac - 3 8kV
RS Stock No. 773-8008
BrandRS PRO
SGD125.27
Each
units
4 63A - - Panel Mount - - 30kW IP65 Yes 690V ac Yes 3 30kA