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. 781-3676
Mfr. Part No.2200 3004
BrandSocomec
£20.04
Each
Units
3 40 A - - DIN Rail - NO/3NC (Auxiliary) 15 kW @ 690 V ac, 18.5 kW @ 400 and 500 V ac - - 690 V ac Yes - 40 A
RS Stock No. 781-3670
Mfr. Part No.2200 3006
BrandSocomec
£29.83
Each
Units
3 63 A - - DIN Rail - NO/3NC (Auxiliary) 30 kW - - 690 V ac Yes - 63 A
RS Stock No. 781-3664
Mfr. Part No.2200 3000
BrandSocomec
£16.25
Each
Units
3 16 A - - DIN Rail - NO/3NC (Auxiliary) 7.5 kW - - 690 V ac Yes - 16 A
RS Stock No. 781-3673
Mfr. Part No.2200 3002
BrandSocomec
£17.56
Each
Units
3 25 A - - DIN Rail - NO/3NC (Auxiliary) 11 kW @ 400 and 500 V ac, 15 kW @ 690 V ac - - 690 V ac Yes - 25 A
RS Stock No. 781-3689
Mfr. Part No.2200 3008
BrandSocomec
£32.58
Each
Units
3 80 A - - DIN Rail - NO/3NC (Auxiliary) 37 kW - - 690 V ac Yes - 80 A
RS Stock No. 781-3686
Mfr. Part No.2200 3011
BrandSocomec
£73.17
Each
Units
3 125 A - - DIN Rail - NO/3NC (Auxiliary) 55 kW - - 690 V ac Yes - 125 A
RS Stock No. 781-3682
Mfr. Part No.2200 3010
BrandSocomec
£57.02
Each
Units
3 100 A - - DIN Rail - NO/3NC (Auxiliary) 45 kW - - 690 V ac Yes - 100 A
RS Stock No. 122-0569
Mfr. Part No.93544006
BrandSocomec
£1,300.71
Each
Units
4 63 A - - DIN Rail ATyS g M - 6 VA - - 288 V ac - 3 7 kArms
RS Stock No. 122-0570
Mfr. Part No.93544010
BrandSocomec
£1,602.88
Each
Units
4 100 A - - DIN Rail ATyS g M - 6 VA - - 288 V ac - 3 7 kArms
RS Stock No. 122-0488
Mfr. Part No.22303004
BrandSocomec
£134.65
Each
Units
3 40 A - - DIN Rail SIRCO M - 18 kW - - 400 V ac, 415 V ac - 3 2.3 kArms
RS Stock No. 122-0500
Mfr. Part No.26004026
BrandSocomec
£225.33
Each
Units
4 250 A - - DIN Rail SIRCO - 132 kW - - 415 V ac, 500 V dc - 3 17 kArms
RS Stock No. 122-0481
Mfr. Part No.22003003
BrandSocomec
£21.94
Each
Units
3 32 A - - DIN Rail SIRCO M - 15 kW - - 415 V ac, 690 V ac - 3 2.5 kArms
RS Stock No. 122-0494
Mfr. Part No.26003017
BrandSocomec
£116.92
Each
Units
3 160 A - - DIN Rail SIRCO - 80 kW - - 415 V ac, 500 V dc - 3 15 kArms
RS Stock No. 182-8451
Mfr. Part No.22001003
BrandSocomec
£7.48
Each
Units
1 32 A - - DIN Rail SIRCO M - - - - - - - -
RS Stock No. 122-0489
Mfr. Part No.22303006
BrandSocomec
£177.27
Each
Units
3 63 A - - DIN Rail SIRCO M - 28.4 kW - - 400 V ac, 415 V ac - 3 2.74 kArms
RS Stock No. 122-0499
Mfr. Part No.26004017
BrandSocomec
£134.02
Each
Units
4 160 A - - DIN Rail SIRCO - 80 kW - - 415 V ac, 500 V dc - 3 15 kArms
RS Stock No. 179-9642
Mfr. Part No.22003001
BrandSocomec
£17.21
Each
Units
3 20 A - SIRCO DIN Rail, Panel Mount - 3P - - - - Yes - -
RS Stock No. 122-0483
Mfr. Part No.22004016
BrandSocomec
£140.58
Each
Units
4 160 A - - DIN Rail SIRCO MV - 75 kW - - 415 V ac, 690 V ac - 3 7 kArms
RS Stock No. 122-0496
Mfr. Part No.26003064
BrandSocomec
£594.52
Each
Units
3 630 A - - DIN Rail SIRCO - 280 kW - - 415 V ac, 500 V dc - 3 25 kArms
RS Stock No. 122-0527
Mfr. Part No.41AC4016
BrandSocomec
£616.40
Each
Units
4 160 A - - DIN Rail SIRCOVER AC - 55 / 75 kW @ 690 V ac, 80 kW @ 400 V ac - - 415 V ac - 3 12 kArms