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 331-6493
製造零件編號S37K5N-A
BrandABB
HK$282.00
單位
3 25 A - - - - - 9 kW IP65 - - - 3 -
RS庫存編號 810-0791
製造零件編號SD00253B
HK$288.40
單位
3 25 A - - DIN Rail - - 9 kW, 11 kW IP65 Yes 415 V, 690 V Yes - 0.5 kA
RS庫存編號 922-0878
製造零件編號ONE20M2Y
BrandABB
HK$182.53
單位
2 20 A - - Panel Mount ONE20 - - - - 240 V - - -
RS庫存編號 518-6733
製造零件編號3LD2064-0TB53
BrandSiemens
HK$328.10
單位
3 16 A - - Enclosed - - 7.5 kW IP65 Yes 690 V ac - 3 6000 V
RS庫存編號 518-6705
製造零件編號3LD2103-0TK51
BrandSiemens
HK$249.89
單位
3 25 A - - Panel Mount - - 9.5 kW IP65 Yes 690 V ac - 3 640 A
RS庫存編號 466-273
BrandRS PRO
HK$210.62
單位
3 25 A - - DIN Rail - - 11 kW IP65 Yes 750 V - 3 6 kV
RS庫存編號 393-9692
製造零件編號78634628 & T3-1-8200/I2H/SVB/K-CI-K1/2
BrandEaton
HK$457.37
單位
1 32 A - - Enclosed - - 13 kW IP65 Yes 400 V ac - 1 -
RS庫存編號 819-860
製造零件編號15AXTN2
BrandEaton
HK$1,286.82
單位
3 + N 20 A - - - - - - - Yes 250 V dc, 415 V ac - 3 640 A
RS庫存編號 781-3670
製造零件編號2200 3006
BrandSocomec
HK$331.30
單位
3 63 A - SIRCO DIN Rail SIRCO M NO/3NC (Auxiliary) 30 kW IP20 Yes 690 V ac Yes 3 63 A
RS庫存編號 111-7857
製造零件編號GAZ025
BrandLovato
HK$211.15
單位
3 25 A - - DIN Rail GA 3NO - IP65 Yes 600 V ac - 3 5 kA
RS庫存編號 727-1486
製造零件編號2CMA142435R1000
BrandABB
HK$1,118.06
單位
2 25 A - - Enclosed - - 7.5 kW IP65 - 400 V ac - 1 690 V ac
RS庫存編號 393-9793
製造零件編號207246 & T5B-4-15682/I4/SVB
BrandEaton
HK$1,412.07
單位
6 63 A - - Enclosed - NO 22 kW IP65 Yes 415 V ac Yes - 1300 A
RS庫存編號 849-6617
製造零件編號ISO63-2
BrandEuropa
HK$106.85
單位
2 63 A - - DIN Rail - - - IP20 - 230 → 400 V ac - - 63 A
RS庫存編號 330-8048
製造零件編號207314 & P1-32/I2/SVB
BrandEaton
HK$475.10
單位
3 32 A - - Enclosed - NO 15 kW IP65 Yes 415 V ac Yes 3 640 A
RS庫存編號 466-201
BrandRS PRO
HK$40.37
單位
1 63 A - - Main Contact - - - IP65 No 690 V ac - 1 30 kA
RS庫存編號 466-188
BrandRS PRO
HK$283.08
單位
3 40 A - - DIN Rail - - 15 kW IP65 Yes 690 V ac Yes 3 30 kA
RS庫存編號 466-223
BrandRS PRO
HK$338.13
單位
4 63 A - - DIN Rail - - 22 kW IP65 Yes 690 V ac Yes 3 30 kA
RS庫存編號 805-5641
製造零件編號172837 & P3-100/XM
BrandEaton
HK$727.81
單位
3 100 A - - DIN Rail - - 37 kW IP65 Yes 690 V Yes 3 100 A
RS庫存編號 773-8049
BrandRS PRO
HK$960.10
單位
4 100 A - - Panel Mount - - 55 kW IP54 Yes 690 V ac Yes 3 30 kA
RS庫存編號 922-0890
製造零件編號ONE20M4Y
BrandABB
HK$245.39
單位
4 20 A - - Panel Mount ONE20 - - - - 415 V - - -