Datasheet - CU20X5

General
Standards			EN 13061, UL 508
Utilization categories			Type tested low-voltage switchgear and controlgear assemblies (TTA); IEC/EN 60439-1, VDE 0660 Part 500 Type tested low-voltage switchgear and controlgear assemblies that are accessible for operations by unskilled persons (distribution board); IEC/EN 60439-3, VDE 0660 part 504
Ambient temperature
Operating ambient temperature max.		°C	+ 35
Installation conditions			Indoor-/outdoor installation
Interval between busbar centres		mm	60
Contacts
Interval between busbar centres		mm	60
Rated uninterrupted current			With temperature deviations, DIN 43671 stipulates that a correction factor k2 must be taken into account
Rated uninterrupted current	I_u	A
T_u = 35 °C and T_s = 65 °C
with 12 x 5 mm bar	I_u	A	200
with 20 x 5 mm busbar	I_u	A	320
with 30 x 5 mm bar	I_u	A	450
with 12 x 10 mm bar	I_u	A	360
with 20 x 10 mm busbar	I_u	A	520
with 30 x 10 mm busbar	I_u	A	630
Electrical data
Rated operational current	I_e	A	250
Material characteristics
Material			Copper, tinned
Colour			RAL 7032, pebble grey
Surface finish			Tinned
Notes
For rated uninterrupted current l_u of the contact the following applies: according to DIN 43671 correction factor k2 must be taken into account in case of different temperatures.

Product range			60 mm system
Accessories			Flat copper bars
Single unit/Complete unit			Modular system
Description			Flat copper busbars
Surface finish			Tinned
Rated operational current	I_e	A	250
Length		mm	1500
For use with			SH0635/3
Cu factor		kg	1,32
Copper busbars
Width		mm	20
Height		mm	5
Interval between busbar centres		mm	60
Material			Copper, tinned
Notes Calculating material allowance ￫ General information chapter Selecting the busbar cross-section and the device to be used ￫ Engineering chapter

Technical data for design verification
Operating ambient temperature max.		°C	35