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PufferPakTM SF6 RFI switches combine safe, reliable source switching with microprocessor-controlled, 3-phase vacuum interrupters. Field-proven SF6 Puffer-action technology safely cools and extinguishes the arc during switch operation. Sealed switch construction, unaffected by contamination, rodents or floods minimizes maintenance.
Load-side vacuum interrupters are armed manually with an operating handle; tripping is automatic. Manual tripping is provided by the control panel, or mechanically by moving the control handle. A fault on any phase results in three-phase tripping. True RMS current sensing is employed for overloads and fault current to give optimum accuracy.
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User-Selectable Pre-Programmed
Time Current Curves
Various time current curves are pre-programmed into the control module. Each module has the ability to to store up to 64 different curves. These curves are selectable in two ways. In the VFD control module, curves are selected by a user-friendly keypad. A 6-way dip switch on the rear of the rotary dial control module selects the curves. Ground fault pickup and delay, and instantaneous trip values are also available on the VFD control module.
Units are available in two position (open-close) and three position (open-close-ground) designs. Canada Power Products' Resettable Fault Interrupter switches can be supplied with field-selectable single phase/three phase interruption.
Two position designs are in single-side-access enclosures; three position designs are in double-side-access enclosures.
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Puffer-style Switches - Two Position
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| Switch Configuration |
Details |
Download Spec. |
Download Drawing |
1 TAPPED, 1 RFI
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RFI-4
600 Amp, 15kV, 22kA,
two way, one RFI |
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1 SWITCHED, 1 RFI
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RFI-5
600 Amp, 15kV, 22kA,
two way, one switched and one RFI |
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3 WAY - 1 RFI
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RFI-6
600 Amp, 27kV, 22kA,
three way, two switched and one RFI |
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1 SWITCHED - 2 RFI
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RFI-7
600 Amp, 15kV, 22kA,
three way, one switched two RFI |
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2 SWITCHED - 2 RFI
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RFI-9
600 Amp, 15kV, 22kA,
four way, two switched, with parallel bushings, two RFI with diagonal bushings |
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2 SWITCHED - 2 RFI
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RFI-9
600 Amp, 15kV, 40kA,
four way, two switched, two RFI |
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3 SWITCHED - 1 RFI
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RFI-11
600 Amp, 15kV, 22kA,
four way, three switched, one RFI |
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1 SWITCHED - 3 RFI
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RFI-12
600 Amp, 15kV, 22kA,
four way, one switched, three RFI |
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2 SWITCHED - 3 RFI
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RFI-52
600 Amp, 27kV, 22kA,
five way, two switched, three RFI |
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3 SWITCHED - 2 RFI
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RFI-53
600 Amp, 15kV, 22kA,
five way, three switched, two RFI switched |
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2 SWITCHED - 4 RFI
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RFI-62
600 Amp, 15kV, 22kA,
six way, two switched, four RFI |
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4 SWITCHED - 2 RFI
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RFI-64
600 Amp, 15kV, 22kA,
six way, four switched, two RFI switched |
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