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SB C 20

Multipolar flat mounting busbar supports with fixed interphase

SB C 20 Multipolar flat mounting busbar supports with fixed interphase

No. of poles Insulation voltage (VAC) No. of bars Thickness of
the bar (mm)
B (mm) R bar height (mm) Pack Qty. Reference
3 1000 1 … 4 5 190 50 1 5024 8310
3 1000 1 … 4 5 190 60 1 5024 8312
3 1000 1 … 4 5 190 63 1 5024 8313
3 1000 1 … 4 5 220 80 1 5024 8317
3 1000 1 … 4 5 220 100 1 5024 8318
3 1000 1 … 4 5 245 120 1 5024 8320
3  1000 1 … 4 5 245 125 1 5024 8321
3  1000  1 … 4 5 280 160 1 5024 8324
 3  1000 1 … 2 10 190 50 1 5024 7310
 3  1000 1 … 2 10 190 60 1 5024 7312
 3  1000 1 … 2 10 190 63 1 5024 7313
 3  1000 1 … 2 10 220 80 1 5024 7317
 3  1000 1 … 2 10 220 100 1 5024 7318
 3  1000 1 … 2 10 245 120 1 5024 7320
 3  1000 1 … 2 10 245 125 1 5024 7321
 3  1000 1 … 2 10 280 160 1 5024 7324
4 1000 1 … 4 5 190 50 1 5024 8410
4 1000 1 … 4 5 190 60 1 5024 8412
4 1000 1 … 4 5 190 63 1 5024 8413
4 1000 1 … 4 5 220 80 1 5024 8417
4 1000 1 … 4 5 220 100 1 5024 8418
4 1000 1 … 4 5 245 120 1 5024 8420
4 1000 1 … 4 5 245 125 1 5024 8421
4  1000 1 … 4 5 280 160 1 5024 8424
4  1000 1 … 2 10 190 50 1 5024 7410
4  1000 1 … 2 10 190 60 1 5024 7412
4  1000 1 … 2 10 190 63 1 5024 7413
4  1000 1 … 2 10 220 80 1 5024 7417
4  1000 1 … 2 10 220 100 1 5024 7418
4  1000 1 … 2 10 245 120 1 5024 7420
4  1000 1 … 2 10 245 125 1 5024 7421
4  1000 1 … 2 10 280 160 1 5024 7424
Bar holder
No. of poles To be ordered in multiples of Reference
3 1 5024 9032(1)
4 1 5024 9042(1)
(1) Bar holder: 1 support without insert + 2 screws M8 + 2 nuts.
Installation corner piece
Type For enclosure D (mm) Pack Qty. Reference
For bar holder SB C 10 / SB C 20 Min 400 1 5024 9000
For bar holder SB C 10 / 20 / 30 Min 600 1 5024 9001

 

Advantages

  • The details which make a difference: SB C 20 busbar supports have threaded holes which allow a protective screen to be attached. The supports are put in place using threaded rods and M8 nuts.
Threaded rods and M8 nuts SB C 20 Threaded holes
Threaded rods and M8 nuts SB C 20 Threaded holes

 

Accessories

Bar holder Installation corner piece for bar holder
Bar holder Installation corner piece for bar holder

 

Characteristics

maximum distances
  • Adhering to the maximum distances between two supports ensures the busbar supports are able to withstand the given short circuit current values. At these values, deformation of the copper bars may occur. These deformations are permitted by standard IEC 60439-1 as long as they adhere to the insulation distances.
Mounting of one to four bars per pole Bars joined by reversing a support
Mounting of one to four bars per pole Bars joined by reversing a support

 

Characteristics of 3 and 4 poles with 5 mm for SB C 20

Max. L (distance between centres of supports in mm) for
peak Isc 63 kA 82 kA 114 kA 152 kA 165 kA 187 kA 220 kA 264 kA
rms Isc 30 kA 39 kA 52 kA 69 kA 75 kA 85 kA 100 kA 120 kA
Bar x no. d (mm) Iz (A)(1)
50 x 5 x 1 625 475 350 250 225 200 175 150 90 600
50 x 5 x 2 525 400 300 225 200 175 155 130 90 1050
50 x 5 x 3 600 450 325 250 225 200 175 145 90 1450
50 x 5 x 4 675 525 375 275 250 225 175 160 90 1850
60 x 5 x 1 675 525 375 275 250 225 200 165 90 700
60 x 5 x 2 600 450 325 250 225 200 175 145 90 1200
60 x 5 x 3 675 525 375 275 250 225 175 165 90 1700
60 x 5 x 4 750 575 400 300 275 250 200 175 90 2150
63 x 5 x 1 700 550 375  275 250 225 200 170 90 700
63 x 5 x 2 625 475 350 250 225 200 175 150 90 1250
63 x 5 x 3 700 525 375 275 250 225  200 170 90 1800
63 x 5 x 4 775 600 425  325 275 250 200 175 90 2250
80 x 5 x 1 800 625  450  325 300 250 225 175 90 900
80 x 5 x 2 725 550 400 300 275 250 200 175 90 1550
80 x 5 x 3 800 625 450 325 300 275 225 175 90 2200
80 x 5 x 4 875 675 475 350 325 300 250 200 90 2750
100 x 5 x 1 900 700 500 375 350 300 250 200 90 1100
100 x 5 x 2 850 650 475 350 325 275 225  200 90 1900
100 x 5 x 3 925 700 500 375 350 300 250 200 90 2650
100 x 5 x 4 975 750 525 400 375 325 275  225 90 3350
125 x 5 x 1 1000 800 575 425 400 350 300 250 90 1300
125 x 5 x 2 975 750 550 400 375 325 275 225 90 2350
125 x 5 x 3 1000 800 575 425 400 350 300 250 90 3250
125 x 5 x 4 1000 825 575 425 400 350 300 250 90 4100
(1) Admissible nominal current for a temperature in the cabinet of 45°C and 80°C for the bars. Other assembly configurations: please consult us.

 

Characteristics of 3 and 4 poles with 10 mm for SB C 20

Max. L (distance between centres of supports in mm) for
peak Isc 63 kA 82 kA 114 kA 152 kA 165 kA 187 kA 220 kA 264 kA
rms Isc 30 kA 39 kA 52 kA 69 kA 75 kA 85 kA 100 kA 120 kA
Bar x no. d (mm) Iz (A)(1)
50 x 10 x 1 1000 925 675 500 450 400 350 275 90 850
50 x 10 x 2 1000 850 600 450 400 350 300 250 90 1550
60 x 10 x 1 1000 1000 725 550 500 450 375 300 90 1000
60 x 10 x 2 1000 925 675 500 450 400 350 275 90 1800
63 x 10 x 1 1000 1000 750 550 525 450 375 325 90 1050
63 x 10 x 2 1000 950 675 500 475 400 350 275 90 1890
80 x 10 x 1 1000 1000 850 625 575 525  425 350 90 1300
80 x 10 x 2 1000 1000 775 575 525 475 400  325 90 2300
100 x 10 x 1 1000 1000 950 700 650 575 475 400 90 1550
100 x 10 x 2 1000  1000 850 625 575 525 425 350 90 2750
125 x 10 x 1 1000 1000 1000 800 725 650 550 450 90 1900
125 x 10 x 2 1000 1000 925 675 625 550 475 400 90 3350
160 x 10 x 1 1000 1000 1000 900 825 725 625 500 90 2350
160 x 10 x 2 1000 1000 950 700 650 575 475 400 90 4150
(1) Admissible nominal current for a temperature in the cabinet of 45°C and 80°C for the bars. Other assembly configurations: please consult us.

 

Dimensions

Dimensions 3 poles 110 mm Busbar supports Dimensions 4 poles 90 mm Busbar supports
Fixed interphase:

  • 3 poles: 110 mm
Fixed interphase:

  • 4 poles: 90 mm