Introduction
LWHA series distribution ABS db box electrical OEM are designed for outdoor usage. ABS body,PC door and rubber seals make the production level up to IP65. Spacious inner space is suitable for installing large elements in the box and make connection more convenient. Whatever and waterproof rating up to IP65 domestic or industrial usage, it is a better choice.
Technical Specification
• Standard: IEC60439-3
• Approval:CE,RoHS,HF test, IK test,IS09001
• Modules(No.):4;8;12;18;24 .
• Protection Degree:IP65
• MateriaLBox Shell:ABS;Door:PC;Zero bar/earth bar:copper
• Ambient Temperature:-5~+4O°C,max.5O% humidity permitted under mal +40°C
• Storage Temperature:-40~+75°C
• Color Of Base:Gray
• Color Of Door:Transparent
• Mounting Type:Surface
• Fire Resistence:650 °C/30s
Installation Instructions
Product | Model | Din-rail (mm)
| Terminal bar | (P) L*W*H (mm) | QTY/CTN | (C) W*H*D (mm) |
| LWHA-4 | 110 | 3+3 | 140*210*100 | 20 | 540*445*310 |
| LWHA-8 | 160 | 4+4 | 215*210*100 | 20 | 540*445*460 |
| LWHA-12 | 250 | 6+6 | 300*260*140 | 10 | 720*310*535 |
| LWHA-18 | 360 | 9+9 | 410*285*140 | 5 | 730*305*435 |
| LWHA-24 | 240 | 6+6 6+6 | 415*300*140 | 5 | 745*315*445 |
The distribution ABS db box electrical is an electrical equipment with small size, simple installation, special technical performance, fixed location, unique configuration function, no site restrictions, more common application, stable and reliable operation, high space utilization, less land occupation and environmental protection effect.
1.1 Faults caused by the influence of ambient temperature on low-voltage apparatus
The low-voltage apparatus in the distribution box is composed of fuses, AC contactors, residual current operated protectors, capacitors, meters, etc. The upper limit of ambient air temperature shall not exceed 40 ℃; The average value of ambient air temperature within 24h shall not exceed 35 ℃; The lower limit of ambient air temperature shall not be lower than - 5 ℃ or - 25 ℃.
The distribution box for rural power grid transformation operates outdoors. It not only generates high temperature under direct sunlight, but also generates heat during operation. Therefore, in the hot summer season, the temperature inside the box will reach more than 60 ℃, which greatly exceeds the ambient temperature specified by these electrical appliances.
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