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 849-6614
製造零件編號ISO125-4
BrandEuropa
HK$241.96
單位
4 125 A - - DIN Rail - - - IP20 - 230 → 400 V ac - - 125 A
RS庫存編號 518-6777
製造零件編號3LD2050-0TK11
BrandSiemens
HK$361.51
單位
3 16 A - - Panel Mount - - 7.5 kW IP65 Yes 690 V ac - 3 340 A
RS庫存編號 122-0569
製造零件編號93544006
BrandSocomec
HK$11,554.28
單位
4 63 A - SIRCO DIN Rail ATyS g M - 30 kW IP20 - 288 V ac - 3 7 kArms
RS庫存編號 610-0162
製造零件編號VBF2
HK$514.80
單位
3 40 A - TeSys Panel Mount VARIO - 11 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS庫存編號 331-6500
製造零件編號S315KN-A
BrandABB
HK$402.77
單位
3 40 A - - - - - 15 kW IP65 - - - 3 -
全新
RS庫存編號 201-3480
製造零件編號MSW 80 P3 H
BrandWEG
HK$1,113.63
單位
3 80 A MSW 80 P3 H MSW Panel Mount MSW 3NO 31 kW IP20 - - - - -
RS庫存編號 110-4486
製造零件編號182419 & P1-32/I2H/MBS/SVB/HI11
BrandEaton
HK$685.06
單位
3 32 A - - Enclosed - NO/NC 15 kW IP65 Yes 415 V Yes 3 -
RS庫存編號 781-3673
製造零件編號2200 3002
BrandSocomec
HK$172.76
單位
3 25 A - SIRCO DIN Rail SIRCO M NO/3NC (Auxiliary) 11 kW @ 400 and 500 V ac, 15 kW @ 690 V ac IP20 Yes 690 V ac Yes 3 25 A
RS庫存編號 805-5648
製造零件編號172819 & P3-100/M4/SVB-SW
BrandEaton
HK$893.35
單位
3 100 A - - Panel Mount - NO 45 kW IP65 Yes 690 V ac - - 520 A
RS庫存編號 418-5773
製造零件編號0 225 54
BrandLegrand
HK$2,018.70
單位
3 160 A - - DIN Rail - NO/NC - IP55 Yes 800 V ac - 3 12 kA
RS庫存編號 257-9615
製造零件編號092300 & T5B-3-8342/V/SVB
BrandEaton
HK$1,352.78
單位
6 63 A - - Panel Mount - NO 22 kW IP65 Yes 415 V ac - - 1300 A
RS庫存編號 192-0897
製造零件編號1SCA022718R8510
BrandABB
HK$4,324.27
單位
- 315 A 1SCA022718R8510 - Plug In - - 220 kW IP65 - - - - -
RS庫存編號 841-2653
製造零件編號OTDC32F3
BrandABB
HK$953.41
單位
3 32 A - - DIN Rail - 3NO+3NO - IP20 - 1 kV dc - - -
RS庫存編號 922-0896
製造零件編號ONE20M4G
BrandABB
HK$246.56
單位
4 20 A - - Panel Mount ONE20 - - - - 415 V - - -
RS庫存編號 192-0917
製造零件編號1SFA611201R1006
BrandABB
HK$113.33
單位
- - M2SS2-10B - - - - - IP20, IP66 - - - - -
RS庫存編號 433-7592
製造零件編號VBD0
HK$402.30
單位
3 25 A - TeSys Panel Mount VARIO - 15 kW IP20, IP65 Yes 690 V ac - 3 8 kV
RS庫存編號 860-9523
BrandRS PRO
HK$220.70
單位
3 25 A - - Panel Mount - - 11 kW IP65 Yes 690 V - - 5 kA
RS庫存編號 393-9888
製造零件編號78634692 & T3-2-8211/I2H/K-CI-K1/2
BrandEaton
HK$539.51
單位
2 25 A dc, 32 A ac - - Enclosed - 2NO/2NC 22 kW IP65 - 240 V dc, 690 V ac - 1 6000 V ac
RS庫存編號 764-984
製造零件編號78623169 & T5B-4-15164/ST/SVB(RS764-984)
BrandEaton
HK$2,642.41
單位
6 63 A - - Panel Mount - NO - IP65 Yes 440 V ac Yes - -
RS庫存編號 810-0760
製造零件編號SDDG403EBZ22
HK$1,581.12
單位
3 40 A - - Enclosed - - 15 kW - Yes 440 V Yes 3 600 A