Product

Aluminum Busway

NLV Series

Aluminum

Description
TECOBAR Low Voltage Cast-Resin Insulated Busway is developed for electrical systems below 1kV.

The product has features of safety and compact. It is designed to use the insulation material to perform cast resin sealing to the copper (aluminium) conductor. The insulation material is cast resin which contains non-organic volcanic rock with the features of excellent insulation characteristics, mechanical strengh, humidity-proof, non-combustible, and self-extinguishing .
Features
Specification
Type Single Line Double Lines
Model NLV16A NLV16A NLV20A NLV24A NLV16-DA NLV20-DA NLV24-DA
Conductor Section(mm2 ) 640 800 1000 1440 1600 2400 2880
Conductor Dimensions (mm) w160xt4 w160xt5 w200xt5 w240xt6 2-w160xt5 2-w200xt6 -w240xt6
Conductor Material AL:1070
Rated Current A (35/40 ℃) 1847 2065 2515 3205 4003 5245 6090
Rated Voltage V 1000
Frequency Hz 50/60
Electrical Characteristics
R at 20 ℃ μΩ∕m 44.2 35.4 28.3 19.7 17.7 11.8 9.8
R at 85 ℃ μΩ∕m 58.6 46.9 37.9 26.5 25.1 16.4 13.8
X μΩ∕m
f:60Hz
82.3 81.8 57.8 30.3 43.1 30.2 15.9
Icw kA / 1Sec 65 80 120 120 120 120 120
Ipeak 220 220 264 264 264 264 264
Ploss W∕m 600 600 720 817 1175 1354 1536
IP/IK IP68/IK10
※Technical specifications may change without any further notice
Product Dimensions (mm)
Width (B)∕Height (H)
3Φ3W (Fig.1) 230/200 230/200 230/240 230/280 600/200 600/240 600/280
3Φ4W(Fig.2)
3Φ4W+G (Fig.3,Fig.4)
Weight kg∕m
Product Weight 54.5 67.1 80.7 117.6 134.2 167.4 235.2
※The heat dissipation openings of this series of TECOBAR are unique design patent.
This series have granted the patent certificate by Taiwan and China.
※ Conductor : 3Φ3W represents R S T three phase, three wires.
3Φ4W represents NRST three phases, four wires.
G represents grounding phase 100% of rated current.
※ Please refer to the temperature correction coefficient of rated current on page 1-29 while ambient temperature exceeds 40℃.

Features
Applicable Scope:
TECOBAR busway is manufactured in accordance with IEC 60439-1, IEC 60439-2, IEC 61439 and CNS 14286. The elements included as below:
  1. Straight elements, elbow elements, geometrical shape elements, phase-switch elements, expansion elements, transfer elements, split elements and terminal elements.
  2. Distribution unit: There are fixed type take-off unit and draw-out type plug-in unit.
  3. * Note: The plug-in leads shall be reserved in advance. Therefore, the number of plug-in unit shall be confirmed while purchase.
Condition of Use:
TECOBAR busway is composed of the elements listed in item 3.1. The elements are connected through junction units on site before cast molding with insulation mix to complete the low voltage busway. Conditions for TECOBAR:
  1. Altitude: below 2000m, indoor and outdoor site.
  2. Ambient temperature: -45℃~65℃
  3. Ambient humidity: 0%~100%
Technical Specifications:
  1. Rated Voltage V : AC1000V.
  2. Rated Current A : 419A~8421A.
  3. Frequency Hz : 50/60.
  4. System : 3Φ3w, 3Φ4w, 3Φ3w+1/2G, 3Φ3W+G, 3Φ4W+1/2G, 3Φ4W+G.
  5. Conductor Material : Copper (E-Cu57) and Aluminum.
    Purity : 99.9% Conductivity : Above 98% IACS.
    According to standards : JIS H3140 , DIN 1787, DIN 1759, DIN 40500.
  6. Electrical characteristics of each TECOBAR element (less than 4m)
    Insulation capabilities :
    ◎ AC voltage withstand phase to phase is AC 5kV/1min.
    ◎ Insulation resistance phase to phase is ≧ 2GΩ/DC 1kV.

    Fireproof :
    ◎ In accordance with CNS 14286 at 840℃ for 30 minutes.
    ◎ In accordance with IEC 60331-21 at 750℃ for 3 hours.
    ◎ In accordance with BS 6387 950℃ for 3 hours.

    Protection degree :
    ◎ In accordance with IEC 60529 IP68.

    Mechanical impacts :
    ◎ In accordance with IEC 62262 IK10.

    Grounding :
    ◎ Internal grounding for TECOBAR busway system.

Product Design Theory
1. Temperature correction coefficient for rated current
Maximum ambient temperature ℃ 20 25 30 35 40 45 50 55 60
Daily average ambient temperature ℃ 15 20 25 30 35 40 45 50 55
Correction coefficient 1.18 1.14 1.09 1.05 1.00 0.94 0.88 0.82 0.75
2.Voltage drop calculation
  • △U =√3 x Is x L x (R cosθ+X sinθ) x 10-6
  • △U =Voltage drop (Volts)
  • Is =Load current (Amps)
  • L =Line length (m)
  • R =Resistance (μ Ω/m)
  • X =Reactance (μ Ω/m)
  • cosθ =Power factor
  • sinθ =√(1-cos 2θ)
3. Product model identification
LA 08 E C 5 - 480
LA Product series code LA:Low voltage 1kV LA series
LB:Low voltage 1kV LB series
NLV:Low voltage 1kV NLV series
08 Copper bar width 04 w=40mm , 08 w=80mm , 12 w=120mm , 16 w=160mm, 20 w=200mm, 24 w=240mm,
E Single/Double conductor of each phase E Single line D Double line
C Conductor type C Copper conductor A Aluminium conductor
5 No. of conductors
480 Cross sectional area of 2 conductor(mm 2 ) 480mm 2
4.For calculation of general product data or technical information, please contact with manufacturer or local agency.

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