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H1Z2Z2-K B2ca
H1Z2Z2-K B2ca cable with halogen-free insulation and jacket, for photovoltaic systems.
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Key Parameters
- Operating temperature
- −40 °C to +90 °C
- Elevated operating temperature
- Up to +120 °C for 20,000 hours
- DC Operating Voltage
- 1.5 kV, up to 1.8 kV
- Rated AC voltage
- 1.0/1.0 kV
- Maximum core temperature during operation
- +90 °C
- Short-circuit temperature
- +250 °C, for a maximum of 5 seconds on the wire
- Minimum ambient temperature for permanent installation
- −40 °C
- Minimum installation temperature
- −25 °C
- Test voltage: 50 Hz
- 6,500 V AC
- Minimum bending radius for permanent installation
- 4 × cable diameter
- Expected service life
- 25 years
- CPR Fire Reaction Class
- B2ca s2, d2, a3 according to EN 50575
- EN 50618 Certificate
- 1260012
Electrical Requirements
- Maximum Allowable Operating Voltage
- 1.2/1.2 kVAC, 1.8/1.8 kVDC (wire-to-wire, wire-to-ground)H1Z2Z2-K B2ca, range 4–25 mm²
- Cable resistance
- EN 50395, Section 5 according to EN 50618, Table 2H1Z2Z2-K B2ca, range 4–25 mm²
- AC/DC Voltage Test on a Cable
- EN 50395, Section 5 (6.5 kVAC or 15 kVDC, 5 minutes)H1Z2Z2-K B2ca, range 4–25 mm²
- Surface resistance
- EN 50395, Section 11H1Z2Z2-K B2ca, range 4–25 mm²
- Insulation Resistance
- EN 50395, Section 8.1: The tests were conducted at temperatures of 20 °C and 90 °C in water; results according to EN 50618, Table 1H1Z2Z2-K B2ca, range 4–25 mm²
- Tensile Test on a Sliding Specimen
- EN 62230, Annex AH1Z2Z2-K B2ca, range 4–25 mm²
Thermal Requirements
- Testing at elevated temperature and humidity
- EN 60068-2-78 (1,000 hours at 90 °C and 85% relative humidity)H1Z2Z2-K B2ca, range 4–25 mm²
- Low-Temperature Winding Test
- EN 60811-504 (–40 °C, acclimatization: 16 hours)H1Z2Z2-K B2ca, range 4–25 mm²
- Low-Temperature Expansion Test
- EN 60811-505 (–40 ±2 °C, acclimatization: 16 hours)H1Z2Z2-K B2ca, range 4–25 mm²
- Low-Temperature Impact Resistance Test
- EN 60811-506 and EN 50618, Annex C (–40 °C; hammer mass 1000 g)H1Z2Z2-K B2ca, range 4–25 mm²
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Construction
- Vein
- Tin-plated electrolytic copper Cu-ETP1, Class 5 according to IEC 60228 and DIN EN 13602
- Insulation
- Special halogen-free cross-linked plastic, white
- Coating
- Special halogen-free cross-linked plastic, available in black, red, or blue
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Properties
Mechanical Requirements
- Anti-aging properties
- EN 60811-1-1; EN 60811-1-2 (Insulation tensile strength ≥ 8.0 N/mm²; outer insulation tensile strength ≥ 8.0 N/mm²; elongation at break ≥ 125%)H1Z2Z2-K B2ca, range 4–25 mm²
- Thermal Expansion Test
- EN 60811-2-1 (250 °C; 15 min under load; load of 20 N/cm²)H1Z2Z2-K B2ca, range 4–25 mm²
- Dynamic Permeation Test
- According to EN 50618, Annex DH1Z2Z2-K B2ca, range 4–25 mm²
Thermal Requirements
- Contraction Test
- EN 60811-503 (120 °C, 1 hour, shrinkage <2.0%)H1Z2Z2-K B2ca, range 4–25 mm²
Safety Requirements
- Resistance to acids and alkalis
- EN 60811-404 7 days; 23 °C (oxalic acid N; sodium hydroxide solution N)H1Z2Z2-K B2ca, range 4–25 mm²
- Testing the Resistance of a Complete Cable to Ozone Exposure
- EN 50396, Section 8.1.3, Procedure BH1Z2Z2-K B2ca, range 4–25 mm²
- Weathering / UV testing of exterior insulation
- Complies with EN 50618, Annex E of EN 50289-4-17, Procedure A (720 h; 60 °C ± 3 °C; relative humidity 50 ± 5%)H1Z2Z2-K B2ca, range 4–25 mm²
- Test of Vertical Flame Spread on a Complete Cable
- EN 60332-1-2H1Z2Z2-K B2ca, range 4–25 mm²
Additional external studies
- Can be installed underground
- Testing at an accredited UL laboratory in the U.S. in accordance with UL 854: - Section 23: Impact Resistance Test - Section 24: Crushing Resistance TestH1Z2Z2-K B2ca, range 4–25 mm²
- Classification in Category AD8
- Testing conducted at the accredited EZU laboratory in Prague in accordance with EN 50525-21—Annex E—included the following: - a voltage test in water at 1 kV AC, at a temperature of 50 °C for 10 consecutive days - water absorption through the outer insulation after 10 days of storage in water at 50 °C <40% - insulation resistance: min. 10¹¹ Ω·cmH1Z2Z2-K B2ca, range 4–25 mm²
- Directives and Certificates
- EN 50618: EZU Certificate No. 1260012 EN 50575, EN 50575:2014/A12016: ITB Certificate No. 1488-CPR-1038/W RoHS 2011/65/EU + 2015/863/EU REACH 1907/2006H1Z2Z2-K B2ca, range 4–25 mm²
Resistant to UV, ozone, hydrolysis, and ammonia. Halogen-free construction with enhanced resistance to acids and bases.
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Standards
PN-EN 50618:2015-03; EN 60332-1; IEC 60332-1; PN-EN 61034-2; PN-EN 60754-2; EN 50575; IEC 60228; DIN EN 13602.
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Application
Connections between solar panels and between the panels and the inverter.
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Technical Tables
Dimensions
| Wire cross-sectional area [mm²] | Maximum wire diameter in a strand [mm] | Nominal insulation thickness [mm] | Nominal coating thickness [mm] | Maximum cable diameter [mm] | Minimum insulation resistance at 20 °C [MΩ·km] | Minimum insulation resistance at 90 °C [MΩ·km] |
|---|---|---|---|---|---|---|
| 4 | 0,31 | 0,7 | 0,8 | 6,6 | 580 | 0,58 |
| 6 | 0,31 | 0,7 | 0,8 | 7,4 | 500 | 0,50 |
| 10 | 0,41 | 0,7 | 0,8 | 8,8 | 420 | 0,42 |
| 16 | 0,41 | 0,7 | 0,9 | 10,1 | 340 | 0,34 |
| 25 | 0,41 | 0,9 | 1,0 | 12,5 | 340 | 0,34 |
Other cross-sections and designs are available upon request.
Current-Carrying Capacity
| Wire cross-sectional area [mm²] | A single overhead cable [A] | A single cable on the surface [A] | Two cables side by side on surface [A] |
|---|---|---|---|
| 4 | 55 | 52 | 44 |
| 6 | 70 | 67 | 57 |
| 10 | 98 | 93 | 79 |
| 16 | 132 | 125 | 107 |
| 25 | 176 | 167 | 142 |
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Available versions
Available in black, red, or blue. Can be manufactured with FeZn-galvanized steel wire reinforcement. Other cross-sections and designs available upon request. A rodent-repellent additive can be added.
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Additional information
Additional Tests
Enhanced water resistance (AD8); suitability for direct installation in the ground confirmed by UL 854 testing, sections 23 and 24.
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