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庫存編號 849-6610
製造零件編號ISO100-2
BrandEuropa
HK$91.61
單位
2 100 A - - DIN Rail - - - IP20 - 230 → 400 V ac - - 100 A
RS庫存編號 466-223
BrandRS PRO
HK$310.64
單位
4 63 A - - DIN Rail - - 22 kW IP65 Yes 690 V ac Yes 3 30 kA
RS庫存編號 103-8444
製造零件編號P1-32/EA/SVB/N
BrandEaton
HK$455.40
單位
3 + N 32 A - - Panel Mount P1-32 3NO 15 kW IP65 Yes 690 V - 1, 3 300 A
RS庫存編號 781-3670
製造零件編號2200 3006
BrandSocomec
HK$342.34
單位
3 63 A - - DIN Rail - NO/3NC (Auxiliary) 30 kW - - 690 V ac Yes - 63 A
RS庫存編號 489-6726
製造零件編號5TE8111
BrandSiemens
HK$102.49
單位
1 20 A - - DIN Rail - NO - - - 230 V ac Yes 1 10 kA
RS庫存編號 393-9692
製造零件編號T3-1-8200/I2H/SVB+K-CI-K2
BrandEaton
HK$416.05
單位
1 32 A - - Enclosed - - 13 kW IP65 Yes 400 V ac - 1 -
RS庫存編號 111-7848
製造零件編號GA080A
BrandLovato
HK$331.80
單位
3 80 A - - DIN Rail GA 3NO 45 kW IP65 Yes 690 V - 3 1000 A
RS庫存編號 922-0878
製造零件編號ONE20M2Y
BrandABB
HK$156.08
單位
2P 20 A - - Panel Mount ONE20 - - - - 240 V - - -
RS庫存編號 922-0890
製造零件編號ONE20M4Y
BrandABB
HK$208.51
單位
4P 20 A - - Panel Mount ONE20 - - - - 415 V - - -
RS庫存編號 466-122
BrandRS PRO
HK$689.90
單位
4 100 A - - DIN Rail - - 45 kW IP65 Yes 690 V ac - 3 30 kA
RS庫存編號 330-7922
製造零件編號T3-3-8222/I2
BrandEaton
HK$610.00
單位
3 25 A dc, 32 A ac - - Enclosed - 3NO/3NC 22 kW IP65 - 240 V dc, 690 V ac - 3 6000 V ac
RS庫存編號 518-6705
製造零件編號3LD2103-0TK51
BrandSiemens
HK$243.05
單位
3 25 A - - Panel Mount - - 9.5 kW IP65 Yes 690 V ac - 3 640 A
RS庫存編號 805-5584
製造零件編號P1-25/XM
BrandEaton
HK$212.73
單位
3 25 A - - DIN Rail - - 7.5 kW IP65 Yes 690 V Yes 3 25 A
RS庫存編號 876-8470
製造零件編號75908BX
BrandLittelfuse
HK$662.46
單位
1 300 A - - Panel Mount 75908 SPDT - - - 6 → 36 V dc - - 2000 A
RS庫存編號 849-6617
製造零件編號ISO63-2
BrandEuropa
HK$91.61
單位
2 63 A - - DIN Rail - - - IP20 - 230 → 400 V ac - - 63 A
RS庫存編號 393-9721
製造零件編號T3-1-102/I2H/SVB+K-CI-K2
BrandEaton
HK$376.40
單位
2 32 A - - Enclosed - - 13 kW IP65 Yes 400 V ac - 1 -
RS庫存編號 810-0763
製造零件編號SDDG633EBZ22
HK$2,139.29
單位
3 63 A - - Enclosed - - 25 kW - Yes 440 V Yes 3 600 A
RS庫存編號 805-5641
製造零件編號P3-100/XM
BrandEaton
HK$655.74
單位
3 100 A - - DIN Rail - - 37 kW IP65 Yes 690 V Yes 3 100 A
RS庫存編號 764-912
製造零件編號T0-2-15679/ST/SVB
BrandEaton
HK$931.29
單位
3 20 A - - Panel Mount - NO - IP65 Yes 440 V ac Yes 3 -
RS庫存編號 103-8460
製造零件編號T5B-3-8342/I4/SVB
BrandEaton
HK$1,174.65
單位
6 63 A - - Enclosed T5B 6NO 22 kW IP65 Yes 690 V - 1, 3 5 kA