Switch disconnectorsSwitch disconnectors
Product description
Features
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3KF LV HRC series for standard applications and 3KF SITOR for protection of semiconductors
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3-pole and 4-pole versions in 5 different sizes (4-pole versions for 3KF LV HRC series only)
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Supplied as a complete assembly including direct operating mechanism or as a basic unit without a handle
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Direct operating mechanism with handle on switch disconnector
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Door-coupling rotary operating mechanism for operation of switch disconnector outside the control cabinet door
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Versions with lateral operating mechanism left and right
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Connections in form of box terminal or flat terminal
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Floor mounting or mounting on a standard mounting rail (size 1)
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Additional poles can be retrofitted: 4. Contact element, N or N/PE terminals
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Auxiliary switches for querying the switch positions
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Suitable for AC applications up to 690 V + 10% (wind power)
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Suitable for DC applications up to 440 V
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Suitable LV HRC fuse links up to 800 A
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Double contact interruption