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 Stock No. 466-255
BrandRS PRO
MYR332.46
Each
units
8 25 A - - DIN Rail - - 11 kW IP65 Yes 690 V ac - - 5 kA
RS Stock No. 136-5287
BrandRS PRO
MYR539.33
Each
units
4 32 A - - Panel Mount - 4NO 37 kW @ 240 V, 45 kW @ 415 V, 90 kW @ 690 V IP65 Yes 690 V - 3 -
RS Stock No. 860-9523
BrandRS PRO
MYR130.03
Each
units
3 25 A - - Panel Mount - - 11 kW IP65 Yes 690 V - - 5 kA
RS Stock No. 466-205
BrandRS PRO
MYR362.96
Each
units
8 32 A - - DIN Rail - - 11 kW IP65 Yes 690 V ac - - 30 kA
RS Stock No. 773-7992
BrandRS PRO
MYR340.57
Each
units
4 32 A - - Panel Mount - - 15 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 136-5293
BrandRS PRO
MYR722.84
Each
units
3 63 A - - Panel Mount - - 37 kW @ 240 V, 45 kW @ 415 V, 90 kW @ 690 V - Yes 690 V - 3 -
RS Stock No. 773-8014
BrandRS PRO
MYR253.52
Each
units
3 40 A - - Panel Mount - - - IP54 Yes 690 V ac Yes 3 30 kA
RS Stock No. 860-9548
BrandRS PRO
MYR227.57
Each
units
3 80 A - - Panel Mount - - 37 kW IP65 Yes 690 V - - 30 kA
RS Stock No. 466-267
BrandRS PRO
MYR219.30
Each
units
3 80 A - - DIN Rail - - 30 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 860-9529
BrandRS PRO
MYR110.80
Each
units
3 20 A - - Panel Mount - - 11 kW IP65 Yes 690 V - - 5 kA
RS Stock No. 466-277
BrandRS PRO
MYR181.72
Each
units
3 63 A - - DIN Rail - - 22 kW IP65 Yes 750 V - 3 6 kV
RS Stock No. 860-9532
BrandRS PRO
MYR143.30
Each
units
3 32 A - - Panel Mount - - 15 kW IP65 Yes 690 V - - 30 kA
RS Stock No. 860-9551
BrandRS PRO
MYR771.80
Each
units
2 40 A - - DIN Rail - - 18.5 kW IP65 Yes 690 V - - 30 kA
RS Stock No. 136-5286
BrandRS PRO
MYR476.12
Each
units
4 32 A - - Panel Mount - 4NO 37 kW @ 240 V, 45 kW @ 415 V, 90 kW @ 690 V IP65 Yes 690 V - 3 -
RS Stock No. 466-126
BrandRS PRO
MYR302.91
Each
units
4 25 A - - DIN Rail - NO/NC 11 kW IP65 Yes 750 V Yes 3 6 kV
RS Stock No. 773-8005
BrandRS PRO
MYR376.15
Each
units
4 40 A - - Panel Mount - - 18.5 kW IP65 Yes 690 V ac Yes 3 30 kA
RS Stock No. 136-5283
BrandRS PRO
MYR890.41
Each
units
4 32 A - - Panel Mount - 4NO 15 kW @ 240 V, 18.5 kW @ 415 V, 22 kW @ 690 V IP65 Yes 690 V - 3 -
RS Stock No. 773-7960
BrandRS PRO
MYR135.21
Each
units
4 25 A - - Panel Mount - - 11 kW IP65 Yes 690 V ac Yes 3 5 kA
RS Stock No. 466-201
BrandRS PRO
MYR23.43
Each
units
1 63 A - - Main Contact - - - IP65 No 690 V ac - 1 30 kA
RS Stock No. 773-8011
BrandRS PRO
MYR221.36
Each
units
3 32 A - - Panel Mount - - 15 kW IP54 Yes 690 V ac Yes 3 30 kA
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