6,6 kV Ex e Busbar box, rectangular

MV-Distribution boxes

6,6 kV Ex e busbar box, rectangular

Article number: CB0606EExx3RSCxxxxxx
Design: rectangular, MV-busbar, cable entry from below
Rated voltage: 6,6 kV 3 AC
Withstand voltage: 20 kV 3 AC bei 50 Hz (1 min)
Rated impulse voltage: 60 kV 3 AC
Rated current: 630 A
Short-circuit current: 25 kA/s
Frequency: 50 – 60 Hz
Protection class: IP 55, max. IP 66
Ambient temperature: -50 °C up to +55 °C
Material: sheet steel, Edelstahl AISI 316L
Material sealing: EPDM, silicone on request
Wall thickness: 3 mm
Cover: fastening with screws
Surface treatment: powder coated, standard RAL 3020 (red)
Dimensions (W/H/D): 1200 x 400 x 600 mm
Dimensions optional side box (W/H/D): 400 x 170 x 90 mm
Air pressure: < 1000 m over sea level
Condensation protection: M25×1,5 breather & drainer
Cable installation: cable gland or splitted cable entry system
Optionally: side box, heater, 3-phase voltage indicator
Splitted flange plates: on request
Bursting disc & arc lighting test: on request
Standards: EN 60079-0:2012, EN 60079-7:2008, EN 61508:2010, EN 61511:2016, EN 50495:2010
Ex marking: I M2 Ex eb I Mb
II 2G Ex eb IIC T4 Gb
II 2D Ex tb IIIC T135°C Db