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- Fuseless switch disconnectors
- Fuse switch disconnectors
- Switch disconnectors with fuses
- 3KF up to 800 A
- Product description
- Overview of components
- Technical specifications
- Derating values of 3KF fuse switch disconnectors when using SITOR fuses according to IEC constraints
- Derating table for use of SITOR fuses IEC from 32 to 160 A
- Derating table for use of SITOR fuses IEC from 250 to 800 A
- Derating values when using SITOR fuses according to UL constraints
- Derating table for use of SITOR fuses UL from 32 to 160 A
- Derating table for use of SITOR fuses UL from 250 to 800 A
- 3NJ62 up to 630 A
- 3KF up to 800 A
- 8UD1 door-coupling rotary operating mechanisms
All key product features at a glance
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In-line design
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Type-tested according to IEC EN 60947-3
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Voltage levels up to 690 V AC and 440 V DC
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160 A to 630 A for LV HRC and BS 88 fuse links, according to IEC 60269-1/EN 60269-1
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2/3/4-pole versions available
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185 mm center-to-center spacing of plug-in contacts
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Manually operated or with motorized operating mechanism
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Electronic fuse monitoring (EFM)
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Developed for switchboard in plug-in design
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Horizontal or vertical mounting position
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Front panel locked in ON position
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Degree of protection IP41