www.se.com23PresentationTap-off unitsABCDEFTap-off units with disconnection by unplugging, equipped or not equippedFor rapid connection of loads or secondary lines (e.g. lighting), in compliance with installation standards CEI 60364 and regulations concerning TT, IT and TNS systems.They can be handled under off-load conditions with the trunking energised. All contacts are made of silver-plated copper.Disconnection by unplugging the tap-off unit. Access to the electrical equipment and the terminals is possible only when the tap-off unit is unplugged (i.e. not energised). A safety device prevents connection to the trunking when the cover has been removed.A number of safety devices prevent the operator from:• plugging in the tap-off unit when the cover is closed.• closing the cover before the tap-off unit is locked onto the trunking.• unplugging the tap-off unit when the cover is closed.1 Moulded plastic casing insulating material which is self-extinguishing and halogen free.2 Power socket3 Cover equipped with contact blades4 Trunking locking device (four points)5 Equipment : 5a for fuses 5b for C60 type modular devices6 Cable exit knockoutsAll tap-off units are manufactured in the KNA version (without a remote transmission bus).They can be converted to the KNT version by adding an “Remote control power socket block” KNT63ZT1 (see Accessories page) that must bo erdered separately.225a5b4444116633Tap-off unit disconnection by opening or closing the cover should be carried out only if the downstreamload is de-energisedCategory AC 20 disconnection is obtained by opening the tap-off unit cover. With the cover open, no live parts are accessible. The degree of protection is IPxxB. (protected against access with a finger).DEBU020EN
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