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 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 781-3673
製造零件編號2200 3002
BrandSocomec
HK$201.39
單位
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庫存編號 781-3664
製造零件編號2200 3000
BrandSocomec
HK$186.43
單位
3 16 A - - DIN Rail - NO/3NC (Auxiliary) 7.5 kW - - 690 V ac Yes - 16 A
RS庫存編號 172-3021
製造零件編號22153402
BrandSocomec
HK$350.53
單位
3 25 A - SIRCO M Enclosed 2215 - - IP65 - - - 3 25 A
RS庫存編號 781-3689
製造零件編號2200 3008
BrandSocomec
HK$373.88
單位
3 80 A - - DIN Rail - NO/3NC (Auxiliary) 37 kW - - 690 V ac Yes - 80 A
RS庫存編號 781-3686
製造零件編號2200 3011
BrandSocomec
HK$839.33
單位
3 125 A - - DIN Rail - NO/3NC (Auxiliary) 55 kW - - 690 V ac Yes - 125 A
RS庫存編號 781-3682
製造零件編號2200 3010
BrandSocomec
HK$654.13
單位
3 100 A - - DIN Rail - NO/3NC (Auxiliary) 45 kW - - 690 V ac Yes - 100 A
RS庫存編號 781-3676
製造零件編號2200 3004
BrandSocomec
HK$229.89
單位
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