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. 122-0527
Mfr. Part No.41AC4016
BrandSocomec
TWD29,702.00
Each
units
4 160A - SIRCO - SIRCOVER AC - - IP20 - 415V ac - 3 -
RS Stock No. 122-0483
Mfr. Part No.22004016
BrandSocomec
TWD5,977.00
Each
units
4 160A - SIRCO - SIRCO MV - 75kW IP20 - 415 V ac, 690V ac - 3 -
RS Stock No. 122-0500
Mfr. Part No.26004026
BrandSocomec
TWD8,173.00
Each
units
4 250A - SIRCO - SIRCO - 132kW IP20 - 415 V ac, 500V dc - 3 -
RS Stock No. 781-3670
Mfr. Part No.2200 3006
BrandSocomec
TWD1,302.00
Each
units
3 63A - SIRCO - SIRCO M NO/3NC (Auxiliary) 30kW IP20 Yes 690V ac Yes 3 63A
RS Stock No. 179-9642
Mfr. Part No.22003001
BrandSocomec
TWD624.00
Each
units
3 20A - SIRCO - SIRCO M 3P - IP20 - - Yes - -
RS Stock No. 122-0482
Mfr. Part No.22003016
BrandSocomec
TWD5,418.00
Each
units
3 160A - SIRCO - SIRCO MV - 75kW IP20 - 415 V ac, 690V ac - 3 -
RS Stock No. 781-3664
Mfr. Part No.2200 3000
BrandSocomec
TWD564.00
Each
units
3 16A - SIRCO - SIRCO M NO/3NC (Auxiliary) 7.5kW IP20 Yes 690V ac Yes 3 16A
RS Stock No. 781-3676
Mfr. Part No.2200 3004
BrandSocomec
TWD875.00
Each
units
3 40A - SIRCO - SIRCO M NO/3NC (Auxiliary) 18.5kW IP20 Yes 690V ac Yes 3 40A
RS Stock No. 122-0495
Mfr. Part No.26003026
BrandSocomec
TWD8,630.00
Each
units
3 250A - SIRCO - SIRCO - 132kW IP20 - 415 V ac, 500V dc - 3 -
RS Stock No. 781-3682
Mfr. Part No.2200 3010
BrandSocomec
TWD2,490.00
Each
units
3 100A - SIRCO - SIRCO M NO/3NC (Auxiliary) 45kW IP20 Yes 690V ac Yes 3 100A
RS Stock No. 122-0569
Mfr. Part No.93544006
BrandSocomec
TWD47,176.00
Each
units
4 63A - SIRCO - ATyS g M - 30kW IP20 - 288V ac - 3 -
RS Stock No. 182-8451
Mfr. Part No.22001003
BrandSocomec
TWD318.00
Each
units
1 32A - SIRCO - SIRCO M - - - - - - - -
RS Stock No. 781-3673
Mfr. Part No.2200 3002
BrandSocomec
TWD767.00
Each
units
3 25A - SIRCO - SIRCO M NO/3NC (Auxiliary) 11kW IP20 Yes 690V ac Yes 3 25A
RS Stock No. 122-0491
Mfr. Part No.22304006
BrandSocomec
TWD7,608.00
Each
units
4 63A - SIRCO - SIRCO M - 28.4kW IP20 - 400 V ac, 415V ac - 3 -
RS Stock No. 122-0481
Mfr. Part No.22003003
BrandSocomec
TWD796.00
Each
units
3 32A - SIRCO - SIRCO M - 15kW IP20 - 415 V ac, 690V ac - 3 -
RS Stock No. 122-0496
Mfr. Part No.26003064
BrandSocomec
TWD21,563.00
Each
units
3 630A - SIRCO - SIRCO - 280kW IP20 - 415 V ac, 500V dc - 3 -
RS Stock No. 781-3686
Mfr. Part No.2200 3011
BrandSocomec
TWD3,195.00
Each
units
3 125A - SIRCO - SIRCO M NO/3NC (Auxiliary) 55kW IP20 - 690V ac Yes 3 125A
RS Stock No. 122-0490
Mfr. Part No.22304004
BrandSocomec
TWD7,598.00
Each
units
4 40A - SIRCO - SIRCO M - 18kW IP20 - 400 V ac, 415V ac - 3 -
RS Stock No. 122-0494
Mfr. Part No.26003017
BrandSocomec
TWD4,971.00
Each
units
3 160A - SIRCO - SIRCO - 80kW IP20 - 415 V ac, 500V dc - 3 -
RS Stock No. 122-0499
Mfr. Part No.26004017
BrandSocomec
TWD4,861.00
Each
units
4 160A - SIRCO - SIRCO - 80kW IP20 - 415 V ac, 500V dc - 3 -