Page 2463 - Din prodcuts 2020

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Interior expansion system CombiLine N
Technical specifications

Standards/provisions
DIN EN 61439-1/-2/-3 (VDE 0660-600-1/-2/-3)*1 X
DIN 43880 (rail-mounted devices) X
Protection class IP2XC

Electrical characteristics
Rated impulse withstand voltage (U imp ) 6 kV
Overvoltage category III
Degree of contamination 3
Protection class I/II
Rated current of the switchgear combination (I nA ) bis 850 A
Rail-mounted devices NH-fuse switch Busbar systems
DIN 43880 disconnector
Rated impulse withstand voltage (I pk ) 25 kA to 52 kA to 74 kA
Rated short-time withstand current (I cw ) 12.5 kA to 25 kA to 35 kA
- Values by request see the chapter Busbar systems
Rated frequency (f) 50 Hz
Rated insulation voltage (U i ) 690 V AC
Rated operating voltage (U e ) 400 V AC
* 1 The permissible heating for switchgear combinations (SK) up to 630 A rated current can be verified using the procedure according to 10.10.4.2. The required power dissipation
capacities can be found in the tables of the respective cabinet series. Above 630 A rated current, the procedure according to 10.10.4.3 (DIN EN 61439-1 supplementary sheet 2,
DIN VDE 0660-600-1 supplementary sheet 2) must be applied

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