BSM4 fireproof dense insulated Bus duct
Negotiable
China
No. 1, Dalingshan Lakeside Road, Dalingshan Town, Dongguan City, Guangdong Province
0769-23170616
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Product Introduction

BSM4 busway system is developed by our company after the company has incorporated the advanced technology both home and abroad on fire-proof busway and it is fire-proof and intended for fire fighting.This product overcomes the problem such as traditional busway can not be used in fire-fighting conditions.Special material and special process enable this product completely meets the verification of preventing fire from spreading and acting as the fire damper in architectural structures.

selection table

BSM4 type busbar selection table

Mode

BSM4/4P

BSM4/5P



Current level(A)

Overall size

W(mm)

H(mm)

W(mm)

H(mm)

400

120

110

120

110

500

120

125

120

125

630

120

125

20

125

800

120

160

20

160

1000

120

175

20

175

1250

120

175

20

175

1600

120

220

20

220

2000

120

270

20

270

2500

120

325

20

325

3150

120

325

120

325

4000

120

375

120

375

5000

120

375

120

375

Technical parameters

Technical parameters of BsM3-2 Bus duct

EXECUTIVE STANDARD  IEC61439-1:2011 GB7251.1-2013 GB7251.6-2015

 Ambient temperature

(℃)

               
   -5/+40(mean temperaturewithin 24h is up to 35℃)

  Altitude

 

Up to 2000M

 Protective grade

 

           IP66          
    IP54withtapch          it.P66wit        tapChanger unit

Unitlength

(m)

O¹.6253.26 (0.562.3.2605-6
g1


Rated insulation voltage ul

(V)

660/1000


Ratedworking voltage ue

(V)

380/660

  Frequency

(HZ)

50-60

  Rated current In

(A)

315

400

500

630

800

100

1250

60

200

2500

3150

4000

500

6300

   ResistanceR20

(uΩ/ml)

90.3

62.8

135.3

97.79

81.5

65.12

48.9

8.5

28.7

19.58

14.19

11.88

9.35

5.82

   ReactanceX20

(uΩ/m)

76.23

74.36

72.49

70.5

62.37

51.04

48.07

43.12

35.31

30.36

27.39

16.28

14.63

12.98

     Total reactance 720

(uΩ/m)

202.74

318.28

308.47

301.93

208.19

198.3

84.21

67.8

146.0

44.9

135.

85.23

77.39

68.67


Voltage drop(power factor cos=0.9h)

(mV/m

78.2


78.2

84.3


84.3

78.7


79.3

78.5


76


76.4


74.5

73.2

66

63.7


51.4

=lcw
Ra eds              ths

(KA)

15

30

80

150


Rated peak withstanding current=Ipk

(KA)

30

63

176

330

     Temperaturerise

(K)

GB/T7251 . 1和GB/T7251 . 6

   Insulation resistance

(MΩ)

≥20

    Electrical interval

(mm)

≥10

    Creepage distance

(mm)

≥16


Protectivecircuit validity PE

(Ω)

<0.02

   Dielectric property

 

50Hz,3750V/lminno breakdown or flashover

Installationway

 

Vertical or horizonta

Quantity of plug port

 

Minimum 0.5/m(can provide double-layer plugging)

Maximum fixed interval

(m)

4

3

3

     Balance load

(kg/m)

20

25

30

    Centralized load

(kg)

90

90

90