Bus-Bar Protection

ZRG Low Voltage Bus-Bar Tubing

ZRG Low Voltage Bus-Bar Tubing

Features

• Flammability: VW-1;
• Heat-resisting: Operating temperature can be as high as 125°C;
• Low temperature withstand: No cracking down to -55°C;
• Safety: Shorten phase spacing for power distribution system under 1KV;
• Convenience: Continuous tubing to meet different lengths of bus-bar;
• Easy marking: multiple colors.

Description Performance

Specifications

Size (mm) I.D. as supplied (mm) After recovery Len.(m) per roll
I.D.(mm) Wall (mm)
60.0/30.0 > 60.0 < 30.0 1.0±0.2 25
70.0/35.0 > 70.0 < 35.0 1.1±0.2 25
80.0/40.0 > 80.0 < 40.0 1.1±0.2 25
90.0/45.0 > 90.0 < 45.0 1.2±0.2 25
100.0/50.0 > 100.0 < 50.0 1.2±0.2 25
120.0/60.0 > 120.0 < 60.0 1.2±0.2 25
150.0/75.0 > 150.0 < 75.0 1.2±0.2 25
200.0/60.0 > 200.0 < 60.0 1.2±0.2 (*)

1. Standard Colors: BLACK, RED, YELLOW, GREEN, BLUE, WHITE;
2. For sizes less than 60.0 mm, please select DRS.
(*) The length is 1.0 meter per piece.

Property Condition Performance
Tensile strength   ≥ 12MPa
Elongation   ≥ 400%
Tensile Strength after Aaging 7 Days Air Oven at 158°C ≥ 10MPa
Elongation after Aging ≥ 300%
Deformation Test 131°C, 1h ≤ 25%
Heat Shock Test 250°C, 4h No Cracking
Flexibility Test 7 Days Air Oven at 158° C No Cracking, No Permanent Deformation
Conductor Corrosion No Corrosion
Volume Resistivity   ≥ 1014 Ω·cm
Dielectric Withstand   2.5KV 60s, No Breakdown
Breakdown Voltage   ≥ 12 KV
Dielectric Strength   ≥ 25KV/mm
Dielectric Withstand after Aging 7 Days Air Oven at 158°C 2.5KV 60s, No Breakdown
Breakdown Voltage after Aging ≥ 12 KV
Cold Bend Test -30°C, 1h No Cracking
Longitudinal Change 3 min Air Oven at 200°C ± 10%
Eccentricity   ≤ 30%
Flammability   VW-1
Full Shrinkage Temperature 3 min 100°C

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