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Tiêu chuẩn IEC 60947-2, UL 489 – NDB2T-63 3P
1131NDB2T-63 (UL489) được thiết kế dành riêng cho hệ thống phân phối điện áp thấp trong các lĩnh vực công nghiệp, tòa nhà, năng lượng, viễn thông và hạ tầng.
Xem chi tiếtBảng điều khiển LV
Available Certifications
CE / UL
Availability depends on model and configuration.
Overview
LV Switchboard, also known as UL 891 Low Voltage Switchboard, is an important low-voltage power distribution product used to receive and distribute electrical power from transformers, generators, low-voltage switchgear, or other power sources to downstream electrical loads. It is widely used in commercial buildings, industrial plants, data centers, hospitals, schools, infrastructure projects, renewable energy systems, and utility distribution networks.
Product Advantages
Reliable Low-Voltage Power DistributionThe LV Switchboard is designed to distribute low-voltage power safely and efficiently to multiple downstream loads.
UL 891 Oriented DesignThe product is designed for UL 891 low-voltage switchboard applications.
Flexible Breaker ConfigurationThe switchboard can be equipped with UL1066 air circuit breakers and UL489 molded case circuit breakers according to the system design.
High Busbar CapacityThe product can be configured with high-capacity busbars to support large electrical loads.
Typical Specifications
| Standard Reference | UL 891 |
|---|---|
| Rated Operating Voltage | Up to 480V class, project-based design |
| Maximum Voltage Class | Up to 508Vac design reference |
| Short-Circuit Withstand | Up to 100kA according to project design |
| Enclosure Type | NEMA Type 1 indoor, NEMA 3R outdoor optional |
| Installation | Indoor electrical room, substation, commercial building, industrial facility, outdoor distribution area |
Typical configuration only. Final ratings are confirmed against project requirements.
Applications
LV Switchboard / UL 891 Low Voltage Switchboard is widely used in low-voltage electrical distribution systems that require safe power distribution, flexible feeder arrangement, and reliable protection. It is suitable for both main distribution and secondary distribution applications.
LAST: LV SwitchgearTIẾP THEO: Bảng điều khiển – UL67
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