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NRN miniature circuit breakers

Hager proposes a range of miniature circuit breakers specifically dedicated to commercial and industrial electrical distribution systems.

This range of Hager NRN MCBs offers protection against overloads and short circuits with more features:

Higher Performance

  • can be used as a switch for every type of loads,
  • less heating on the product,
  • more significant current limitation capacity on short circuits.

More Safety

  • IP2x on the screw and terminals.
  • isolation function with a clear indication,
  • excellent grip on cables thanks to a new architecture of the terminals.

More Simplicity

  • front product labelling to identify the circuit,
  • top and bottom removability.
Download NRN miniature circuit breakers catalogue (PDF, 91 KB)

Characteristics

Type C tripping

  • 25 kA (≤ 25 A)
  • 20 kA (32 - 40 A)
  • 15 kA (50 - 63 A)

Complies with IEC 60947-2
Current rating : 0,5 to 63 A

Tripping curve

Type C magnetic setting (between 5 and 10 times of rated current).

Accessories

  • RCDs add-on blocks,
  • Auxiliaries (shunt trip, undervoltage release, auxiliary/alarm contacts, remote reset/control),
  • Accessories (padlocking kit, interphase barrier, terminal shield).

Connection capacity

  • 16 mm˛ flexible cables,
  • 25 mm˛ rigid cables.

Flag indicator

The state of isolation is clearly indicated by the “OFF” mechanical position on the toggle with the green colour.



Grip to facilitate the opening of the FPL

FPL (Front Product Labelling)

Identification of the electrical circuits can be easily done on front of all the products. A paper stripe can be placed and clipped on a row of products for easy location and handling.

Top & bottom removability

This feature has been developed in order to facilitate the mounting and dismounting of the products during the first installation and in case of maintenance.
In case of maintenance just release the clip and extract the product from the Din rail. This can be done without having to unscrew and remove the busbar.
Moreover products can be very easily added on the busbar when it is necessary, for example, to add circuits.

Top plastic clip

This clip hasn’t impact on the mounting and dismounting of MCB alone on the Din rail.
It allows when the MCB are connected with busbar on the Top to :

  • To extract one product without having to unscrew and remove the busbar,
  • To easily add an MCB on Din rail with busbar.

Bottom plastic clip

It replaces the metal Din clip which allows the mounting and dismounting of MCB on the Din rail.
It allows when the MCB are connected with busbar on the Bottom to :

  • To extract one product without having to unscrew and remove the busbar,
  • To easily add an MCB on Din rail with busbar.
   
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