PRODUCT

Insulated Flexible Busbar

产品描述

The laminated insulated flexible busbar is made of highly flexible laminated copper strips, covered with a flame-retardant PVC insulation layer.


Technical Parameters of Insulated Flexible Copper Busbar Conductor:

· Annealed Electrolytic Copper: Copper Content ≥ 99.9%

· Conductivity: ≥ 55 S/m

· Vickers Hardness: < 50 HV

· Tensile Strength: ≥ 200 MPa

· Elongation: ≥ 30%


Technical Parameters of Insulation Layer:

· Polyvinyl Chloride: PVC

· Color: Black

· Widths of 80mm and 100mm are molded or heat-shrinkable

· Shore Hardness: A70—80

· Dielectric Strength: > 23 kV/mm

· Oxygen Index: 30%

· Elongation after Accelerated Aging Test at 135℃/7 days: > 180%

· Tensile Strength: > 20 MPa


Technical Parameters of Insulated Flexible Busbar:

· Operating Temperature: -30℃ to +105℃

· Flame Retardancy: Self-extinguishing

· Operating Voltage Range: 750V

· Dielectric Strength for 15min (50Hz): To Ground > 15kV; Between Busbars > 30kV


Product Features:

· Small Cross-Sectional Area: Due to the use of laminated copper strips, this flexible connection can carry a larger current.

· Convenient and Quick: It can be easily installed manually without special auxiliary equipment.

· Reduced Size: The insulated layer has good insulating properties, which can reduce the distance between different polarity flexible connectors and between flexible connectors and ground. There are no bending restrictions, providing additional insulation safety, simplifying the structure, making connections more compact, shortening connection lines, and achieving better appearance.

· High Insulation Strength: The insulation material is flame retardant, and compared to cable and insulated busbar connections, it has lower temperature rise.

· High Flexibility: Can be manually bent to save space, with a smaller bending radius compared to similar cables.


Applications:

· Electrical Connections and Wiring in Distribution Cabinets

· Power Connections between Preformed Conductors and Transformers, Distribution Cabinets

· Flexible Connections, Non-Vibration Connections, Non-Thermal Expansion Connections

· Power Supply for Electroplating Tanks


Standard Product Specifications and Allowable Current:

· Standard Conductor: Electrical Copper Tape, Bare/Tinned

· Standard Length: 2m or 3m. For single-layer flexible busbars, single lengths can reach up to 200m

· Maximum Cross-Sectional Area: 1200 sqmm

· Insulation Layer Color: Black


型号参数
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Conductor Size and
Number of Strands
(mm*mm*Strands)
Material
Code
Cross-Sectional Area
(mm²)
Current Carrying Capacity(A)
△T=20K(3)△T=40K(4)△T=50K(5)
15.5x0.8x2501300124.8125175200
15.5x0.8x3501300237.2160210240
15.5x0.8x4501300349.6195265295
15.5x0.8x6501300474.4225320360
15.5x0.8x8501300599.2265380430
15.5x0.8x105013006124300420480
20x1x2501300740170240270
20x1x3501300860230320360
20x1x4501300980270380440
20x1x55013010100300430490
20x1x65013011120330470530
20x1x85013012160400560620
20x1x105013013200420580650
24x1x2501301448200280320
24x1x3501301572250360410
24x1x4501301696280410460
24x1x55013017120330470530
24x1x65013018144360510570
24x1x85013019192420590670
24x1x105013020240500700790
32x1x2501302164230320360
32x1x3501302296280410460
32x1x45013023128320460520
32x1x55013024160390550610
32x1x65013025192440620700
32x1x85013026256510720822
32x1x105013027320600840930
40x1x2501302880240330380
40x1x35013029120330480540
40x1x45013030160400560630
40x1x55013031200450630710
40x1x65013032240480680750
40x1x85013033320600830920
40x1x1050130344006709201030
50x1x35013035150400570650
50x1x45013036200490700790
50x1x55013037250540780880
50x1x65013038300590840950
50x1x8501303940068010001130
50x1x10501304050075011001300
63x1x550130413156509001000
63x1x650130423786909801100
63x1x8501304350484012001350
63x1x10501304463092013001450
80x1x5501304540070011001230
80x1x6501304648078012101360
80x1x8501304764095014001570
80x1x105013048800109015501730
100x1x5501304950086012501400
100x1x6501305060095013801530
100x1x85013051800110015801760
100x1x1050130521000122017101920
100x1x1250130531200130018002010


Selection Guide:

The current carrying capacity of insulated flexible busbars is related to the busbar cross-sectional size and temperature, as shown in the above table. The following factors need to be considered when selecting:

· Current Carrying Capacity

· Allowable Busbar Temperature Rise

· Busbar Width


The formula for calculating the busbar temperature rise (ΔT) is as follows:

△T = Ta - Tc.

· Tc = Ambient Temperature

· Ta = Temperature of the Busbar When Energized (Important Note: For general electrical equipment, Ta should be ≤105℃)



Example of Selection (For Reference Only):

Requirement: The ambient temperature for equipment use is 40℃, the required current carrying capacity of the copper busbar is 510A, the maximum temperature on the copper busbar should not exceed 100℃, and the busbar width should not exceed 40mm.

Selection: According to the formula, the maximum allowable temperature rise is 60℃ (100℃ - 40℃ = 60℃). Thus, a flexible copper busbar with a specification of 31x1x4 can be selected: this specification of busbar has a temperature rise of 50℃ under a load current of 520A, so this selection is feasible and has sufficient safety margin.

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