2278500 datasheet(2/13 Pages) PHOENIX

2 / 13 page

https://www.phoenixcontact.com/pi/products/2278500

09/12/2020 Page 2 / 13

Mounting base housing - BC 161,6 UT HBUS BK - 2278500

Technical data

Item properties

Ventilation openings present

Dimensions

Width [ w ]

161.6 mm

Height [ h ]

89.7 mm

Depth [ d ]

48.9 mm

Material data

Housing material

Polycarbonate

Color (RAL)

black (9005)

Flammability rating according to UL 94

Ambient conditions

Ambient temperature (storage/transport)

-40 °C ... 70 °C

Ambient temperature (assembly)

-5 °C ... 100 °C

Ambient temperature (operation)

-40 °C ... 105 °C (depending on power dissipation)

Relative humidity (storage/transport)

95 %

PCB data

Number of PCB holders

PCB thickness

1.4 mm ... 1.8 mm

Mounting position

parallel to the DIN rail

Type of PCB mount

Latching

Power dissipation, single housing at 20 °C

Ambient temperature

20 °C

Reduction factor

Mounting position

vertical

Power dissipation

16.95 W

Power dissipation, single housing at 30 °C

Ambient temperature

30 °C

Reduction factor

0.84

Mounting position

vertical

Power dissipation

14.2 W

Power dissipation, single housing at 40 °C

Ambient temperature

40 °C

Reduction factor

0.72

Mounting position

vertical

Power dissipation

12.2 W

Power dissipation, single housing at 50 °C

Ambient temperature

50 °C

Reduction factor

0.6

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