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. 466-132
BrandRS PRO
HK$830.04
Each
units
4 125 A - - DIN Rail - - 55 kW IP65 Yes 690 V ac - 3 30 kA
RS Stock No. 790-7469
Mfr. Part No.A9S65340
HK$377.52
Each
units
3 40 A - Acti 9 DIN Rail iSW 3NO - - - 415 V - - -
RS Stock No. 764-990
Mfr. Part No.T5-4-15164/S/SVB-SOND
BrandEaton
HK$3,265.55
Each
units
6 100 A - - - - NO/NC - IP65 Yes 440 V ac Yes - -
RS Stock No. 773-8049
BrandRS PRO
HK$960.10
Each
units
4 100 A - - Panel Mount - - 55 kW IP54 Yes 690 V ac Yes 3 30 kA
RS Stock No. 257-3651
Mfr. Part No.VCCF3
HK$569.41
Each
units
3 63 A - TeSys Panel Mount VARIO - 30 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS Stock No. 103-8444
Mfr. Part No.P1-32/EA/SVB/N
BrandEaton
HK$509.89
Each
units
3 + N 32 A - - Panel Mount P1-32 3NO 15 kW IP65 Yes 690 V - 1, 3 300 A
RS Stock No. 466-239
BrandRS PRO
HK$313.86
Each
units
4 40 A - - DIN Rail - - 15 kW IP65 Yes 690 V ac - 3 30 kA
RS Stock No. 466-201
BrandRS PRO
HK$40.37
Each
units
1 63 A - - Main Contact - - - IP65 No 690 V ac - 1 30 kA
RS Stock No. 876-8470
Mfr. Part No.75908BX
BrandLittelfuse
HK$718.40
Each
units
1 300 A - - Panel Mount 75908 SPDT - - - 6 → 36 V dc - - 2000 A
RS Stock No. 805-5641
Mfr. Part No.P3-100/XM
BrandEaton
HK$727.81
Each
units
3 100 A - - DIN Rail - - 37 kW IP65 Yes 690 V Yes 3 100 A
RS Stock No. 819-927
Mfr. Part No.100AXTN2
BrandEaton
HK$4,788.67
Each
units
3 + N 100 A - - - - - - - Yes 250 V dc, 415 V ac - 3 3750 A
RS Stock No. 849-6617
Mfr. Part No.ISO63-2
BrandEuropa
HK$106.85
Each
units
2 63 A - - DIN Rail - - - IP20 - 230 → 400 V ac - - 63 A
RS Stock No. 810-0791
Mfr. Part No.SD00253B
HK$288.40
Each
units
3 25 A - - DIN Rail - - 9 kW, 11 kW IP65 Yes 415 V, 690 V Yes - 0.5 kA
RS Stock No. 381-3922
Mfr. Part No.KG64B T204/GBA302 VE
HK$571.54
Each
units
4 63 A - - DIN Rail - - 22 kW IP65 Yes 690 V ac Yes 3 -
RS Stock No. 841-2634
Mfr. Part No.OTDC16F2
BrandABB
HK$503.36
Each
units
2 16 A - - DIN Rail - 2NO+2NO - IP20 - 660 V dc - - -
RS Stock No. 431-6589
Mfr. Part No.T5-4-15682/I5
BrandEaton
HK$2,390.00
Each
units
6 80 A dc, 100 A ac - - Enclosed - NO/NC 55 kW IP65 - 240 V dc, 690 V ac Yes - 6000 V ac
RS Stock No. 466-273
BrandRS PRO
HK$210.62
Each
units
3 25 A - - DIN Rail - - 11 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 781-3670
Mfr. Part No.2200 3006
BrandSocomec
HK$331.30
Each
units
3 63 A - - DIN Rail - NO/3NC (Auxiliary) 30 kW - - 690 V ac Yes - 63 A
RS Stock No. 330-8048
Mfr. Part No.P1-32/I2/SVB
BrandEaton
HK$475.10
Each
units
3 32 A - - Enclosed - NO 15 kW IP65 Yes 415 V ac Yes 3 640 A
RS Stock No. 393-9793
Mfr. Part No.T5B-4-15682/I4/SVB
BrandEaton
HK$1,664.62
Each
units
6 63 A - - Enclosed - NO 22 kW IP65 Yes 415 V ac Yes - 1300 A
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