Overview
This series of low voltage drawout switchgear cabinets is designed for distribution and control in low voltage systems, with withdrawable units that can be removed from the cabinet.
The series features high breaking capacity, good dynamic and thermal stability, advanced and rational structure, practical electrical schemes, strong series and versatility, and arbitrary combination of various scheme units. A single cabinet can accommodate a relatively large number of circuits, saving floor space, with aesthetic appearance, high protection level, safety and reliability, and easy maintenance.
The product complies with IEC439 and NEMA/ICS2-322 standards, as well as GB7251.1-2013 “Low-voltage switchgear and controlgear assemblies” national standard and ZBK36001-89 “Low-voltage withdrawable switchgear assemblies” professional standard.
Key Features
- High breaking capacity — the series features high breaking capacity for low voltage distribution circuits.
- Dynamic and thermal stability — good dynamic and thermal stability performance.
- Advanced and rational structure — an advanced and rational structure with practical electrical schemes.
- Strong series and versatility — strong series and versatility, with arbitrary combination of various scheme units.
- High circuit density — a single cabinet can accommodate a relatively large number of circuits, saving floor space.
- Aesthetic appearance — an aesthetic appearance suited to plant and building distribution rooms.
- High protection level — a high protection level for the enclosure.
- Safety and reliability — designed for safety and reliability in operation.
- Easy maintenance — easy maintenance, supported by the withdrawable unit arrangement.
- Standards compliance — complies with IEC439 and NEMA/ICS2-322, GB7251.1-2013 and ZBK36001-89.
Technical Specifications
| Product type | Low voltage drawout switchgear cabinet |
|---|---|
| Construction | Withdrawable (drawout) units |
| Breaking capacity | High |
| Dynamic and thermal stability | Good |
| Structure | Advanced and rational structure |
| Electrical schemes | Practical schemes, with strong series and versatility |
| Scheme units | Arbitrary combination of various scheme units |
| Circuit density | A single cabinet can accommodate a relatively large number of circuits |
| Floor space | Saving floor space |
| Appearance | Aesthetic appearance |
| Protection level | High protection level |
| Maintenance | Easy maintenance |
| Standards | IEC439, NEMA/ICS2-322; GB7251.1-2013; ZBK36001-89 |
Applications
- Low voltage distribution rooms — distribution and control where a high number of circuits must fit in a small footprint.
- Industrial installations — plant distribution boards that benefit from the strong series and versatility of scheme units.
- Installations requiring standards compliance — projects specifying IEC439, NEMA/ICS2-322 or GB7251.1-2013.
- Sites with high breaking capacity requirements — low voltage systems where high breaking capacity and good dynamic and thermal stability are needed.
- Installations needing frequent maintenance access — where the withdrawable units make maintenance easier.
Installation Conditions
- The cabinet is a drawout type, so allow space in front of the cabinet for units to be withdrawn for maintenance.
- The cabinet is intended for indoor low voltage distribution rooms, with the enclosure providing a high protection level.
- Confirm the electrical scheme and the combination of scheme units before installation, as the series allows arbitrary combination of units.
- Verify the breaking capacity and dynamic and thermal stability required at the installation point against the cabinet rating.
- Check compliance documentation against IEC439, NEMA/ICS2-322, GB7251.1-2013 and ZBK36001-89 as required by the project.
How to Select
- The number of circuits to be accommodated, since a single cabinet can hold a relatively large number of circuits.
- The electrical scheme and the combination of scheme units required.
- The breaking capacity and the dynamic and thermal stability needed for the system.
- The protection level required for the installation environment.
- The standards the project must meet — IEC439, NEMA/ICS2-322, GB7251.1-2013 or ZBK36001-89.
FAQ
What standards does the cabinet comply with?
The product complies with IEC439 and NEMA/ICS2-322 standards, as well as GB7251.1-2013 "Low-voltage switchgear and controlgear assemblies" national standard and ZBK36001-89 "Low-voltage withdrawable switchgear assemblies" professional standard.
How many circuits can one cabinet hold?
A single cabinet can accommodate a relatively large number of circuits, which saves floor space.
Can the scheme units be combined freely?
Yes. The series offers strong series and versatility with arbitrary combination of various scheme units.
What breaking capacity does the series have?
The series features high breaking capacity together with good dynamic and thermal stability.
Is the cabinet easy to maintain?
Yes. The series is designed for easy maintenance, and the withdrawable construction allows units to be removed from the cabinet.
What protection level and appearance does it offer?
The series has a high protection level and an aesthetic appearance, along with safety and reliability.
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