BSM11 series reinforced cast fire-resistant Bus duct - Product

BSM11 series reinforced cast fire-resistant Bus duct

Technical parameters of BsM11 Bus duct
EXECUTIVE STANDARD IEC61439-1:2011 GB7251.1-2013 GB7251.6-2015
Ambient temperature	(℃)	-5/+40(mean temperature within 24h is up to 35℃)
Altitude		Up to 2000M
Protective grade		lp68
Unitlength	(m)	Optional among 1.62.53.26(0.5-6)
Rated insulation voltage ul	(V)	660/1000
Ratedworking voltage ue	(V)	380/660
Frequency	(HZ)	50-60
Rated current In	(A)	400	630	800	1000	1250	1600	2000	2500	3150	4000	5000
ResistanceR20	(uΩ/ml）	111	74.1	59.2	44.5	37	31	22.2	14.2	10.9	9.1	7.4
ReactanceX20	(uΩ/m)	63.9	56.5	46.3	42.9	38.7	31.9	26.8	23.7	15.2	12.9	10.2
Total reactance 720	(uΩ/m)	278	231	182	168	152	132	29	122	89	89	61
Voltage drop(power factor cos=0.9h)	(mV/m	64.2	63.2	65.3	67.5	61.6	67.8	65.2	63.9	59.6	61.3	63.4
Ra eds ths	(KA)	30			30		50		50		80
Rated peak withstanding current=Ipk	(KA)	63					105		176
Temperaturerise	(K)	≤70
Insulation resistance	(MΩ)	≥20
Electrical interval	(mm)	≥10
Creepage distance	(mm)	≥12
Protectivecircuit validity PE	(Ω)	<0.02
Dielectric property		50Hz,3750V/Imin no breakdown or flashover
Installationway		Vertical or horizontal
Quantity of plug port		Minimum 0.5/m(can provide double-layer plugging)
Maximum fixed interval	(m)	4			4			3			3
Balance load	(kg/m)	20			20			25			30
Centralized load	(kg)	90			90			90			90