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 518-6698
製造零件編號3LD2164-0TB51
BrandSiemens
HK$536.07
單位
3 25A - - - - - 9.5kW IP65 - 690V ac - 3 640A
RS庫存編號 518-6856
製造零件編號3LD2203-0TK53
BrandSiemens
HK$325.26
單位
3 32A - - Panel Mount - - 11.5kW IP65 Yes 690V ac - 3 -
RS庫存編號 518-6783
製造零件編號3LD2103-0TK53
BrandSiemens
HK$234.86
單位
3 25A - - Panel Mount - - 9.5kW IP65 Yes 690V ac - 3 -
RS庫存編號 518-6705
製造零件編號3LD2103-0TK51
BrandSiemens
HK$381.90
單位
3 25A - - Panel Mount - - 9.5kW IP65 Yes 690V ac - 3 640A
RS庫存編號 518-6733
製造零件編號3LD2064-0TB53
BrandSiemens
HK$493.10
單位
3 16A - - - - - 7.5kW IP65 Yes 690V ac - 3 -
RS庫存編號 489-6726
製造零件編號5TE8111
BrandSiemens
HK$184.78
單位
1 20A - - - - NO - - - 230V ac Yes 1 10kA
RS庫存編號 518-6755
製造零件編號3LD2064-1GP51
BrandSiemens
HK$619.87
單位
3 16A - - - - NO/NC 7.5kW IP65 Yes 690V ac Yes 3 340A
RS庫存編號 203-2140
製造零件編號3LD2003-1TL53
BrandSiemens
HK$428.64
單位
- - - - - - - - - - - - - -
RS庫存編號 518-7023
製造零件編號3LD2250-0TK11
BrandSiemens
HK$426.49
單位
3 32A - - Panel Mount - - 11.5kW IP65 Yes 690V ac - 3 640A
全新
RS庫存編號 213-2448
製造零件編號3LD2305-0TK11
BrandSiemens
HK$3,566.66
單位
3 160A 3LD2305-0TK11 SENTRON - 3LD - - IP65 - - - - -
RS庫存編號 518-6979
製造零件編號3LD2003-0TK51
BrandSiemens
HK$248.08
單位
3 16A - - Panel Mount - - 7.5kW IP65 Yes 690V ac - 3 340A
RS庫存編號 874-4149
製造零件編號3VA1110-1AA36-0AA0
BrandSiemens
HK$2,685.74
單位
3 100A - Sentron - 3VA - 68kW IP40 - 500 V dc, 690V ac - - 100A
RS庫存編號 518-6828
製造零件編號3LD2150-0TK13
BrandSiemens
HK$369.56
單位
3 25A - - Panel Mount - - 9.5kW IP65 Yes 690V ac - 3 -
RS庫存編號 518-7427
製造零件編號3LD2704-0TK53
BrandSiemens
HK$1,085.04
單位
3 100A - - Panel Mount - - 37kW IP65 Yes 690V ac - 3 -
全新
RS庫存編號 212-9039
製造零件編號5TE8152
BrandSiemens
HK$532.85
單位
1 20A 5TE SENTRON DIN Rail 5TE 2NO+2NC - - - - - - -
全新
RS庫存編號 210-3426
製造零件編號5TL1232-0
BrandSiemens
HK$492.03
單位
2 32A 5TL SENTRON - 5TL - - - - - - - -
RS庫存編號 518-7506
製造零件編號3LD2766-0TB51
BrandSiemens
HK$1,597.48
單位
3 100A - - - - - 37kW IP65 Yes 690V ac - 3 2000A
RS庫存編號 518-7360
製造零件編號3LD2264-0TB51
BrandSiemens
HK$635.98
單位
3 32A - - - - - 11.5kW IP65 Yes 690V ac - 3 640A
RS庫存編號 518-6834
製造零件編號3LD2164-0TB53
BrandSiemens
HK$536.07
單位
3 25A - - - - - 9.5kW IP65 Yes 690V ac - 3 -
RS庫存編號 203-3810
製造零件編號3RV1923-4B
BrandSiemens
HK$177.26
單位
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