DSX203NC - FlexLine® RCBOs - Residual current circuit breaker with Overcurrent Protection- RCBO (Residual Current Devices (RCDs)) | Residual current circuit breaker with Overcurrent Protection- RCBO

DSX203NC - FlexLine® 3P+N RCBOs

Simply fits.

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The DSX203NC range of 3P+N Residual Current circuit Breakers with Overcurrent protection (RCBOs) has been designed to meet the requirements of protection devices that suit the different types of circuits of modern three-phase systems, which are increasingly compact and sensitive.

DSX203 NC RCBOs are the ideal solution for installations where space is limited, offering many types in a width of only 4 modules, reducing the space required by 50% compared to an RCCB + MCB configuration.

This makes them suitable both for new installations to save space in switchboards and for retrofitting existing installations by adding earth fault current protection in installations where this was not foreseen, without affecting the overall dimensions of the system and the placement of the whole system.

As part of the FlexLine® system, the DSX203C features push-in terminals that save 50% of installation time. In addition, FlexLine® devices can be flexibly arranged in one size with the PSX busbar to save even more time and space.

Main benefits

Accurate protection of people and electrical equipment against earth fault currents
Easy identification of the product and highly resistant laser marking & QR code
Space-saving solution
QR code printed on front, leading to product detail page with all product information
Convenient cable insertion from front on load side
Flexible to install DS203NC with any other FlexLine® device on one DIN-rail, connected with one busbar
Test pushbutton to verify the correct functioning of the device
Earth fault indicator for easier identification of earth faults

Main features

3P+N in 4 modules width
Rated current from 6 A to 20 A
Breaking capacity up to 6 kA
B & C tripping characteristics
Sensitivity of 30mA
Push-in terminals
A type available

FlexLine® highlights

Speed up installation thanks to our push-in technology.

Stay flexible with our flex terminals.

Save space through slim design.

Enjoy convenient installation from the front.

Speed up installation and save up to 50% on time with our push-in technology. Simply insert the cable by pushing horizontally against the opening of the load-side push-in terminal without the need for a screwdriver or any tools. The force of the spring keeps the pressure on the cable at a constant level, eliminating the need to tighten them after installation, as required by most wiring regulations.

And thanks to its push-in busbar terminals, FlexLine® busbars can be installed in a quick and time-saving way as well.

Keeping things simple, we've opted for a one-size-fits-all approach to mounting busbars. Whenever the neutral terminals are not required, our flex terminals accommodate this busbar pin without any mechanical or electrical connection.

Both the devices as well as the busbar can be supplied with cable via a dedicated screw terminal. The screw terminal is designed to allow rigid, flexible cables and flexible cables with ferrules.

All FlexLine® protection devices can be flexibly combined with only one busbar, as the phase sequence is always the same. This significantly reduces the stockkeeping.

More and more devices need to fit into one enclosure as selectivity and building automation requirements increase. With this in mind, FlexLine® has been developed to save up to 50% on the space in the consumer unit.

The FlexLine® range does not only save space due to its slim design, the double-slot terminals also allow the devices as well as the the busbar to be supplied without a feed-in module. This screw-terminal is designed in such a way that rigid, flexible cables with or without ferrules can be inserted.

Additionally, FlexLine® protection devices can be flexibly combined with one busbar in only one row thanks to their flex terminals, saving even more space.

For the smoothest installation process possible, all load-side terminals on the top have been positioned in such a way that allows horizontal cable insertion. No need to squeeze your fingers into the small gap between the rows to insert a cable - now enjoy convenient installation with more space for wiring.