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安装应用 The Cabinet Power Distribution Box (Rack Top Unit) is a core power distribution device designed for overhead installation in communication, transportation, fire safety, power, and industrial facilities. It supports single or dual -48V DC redundant input, provides multiple independent output circuits, and integrates surge protection, overcurrent/short-circuit automatic shutdown, audible/visual power-failure alarms, and real-time voltage/current monitoring. Output ports, IP rating, and alarm configurations are customizable to ensure safe, reliable, and orderly power distribution across diverse applications.
Product Dimension Drawing
Technical Parameters（技术参数） | Item | Description | Value |
| INPUT | Rated Input Voltage | DC -48V |
| Max Load Current | 63A | |
| Power Input Mode | Dual-input | |
| Input Parameter Monitoring | Current, Voltage, Energy, Active Power | |
| Input Terminal Type | UK16N | |
| OUTPUT | Output Terminal Type | UK10N, UK6N terminal outputs |
| Rated Output Voltage | DC -48V | |
| Rated Output Current | 32A, 16A | |
| Output Parameter Monitoring | Current, Active Power, Voltage, Energy | |
| DISPLAY | LED | Running / Alarm indicator |
| LCD | LCD display, 128×64 resolution | |
| SURGE PROTECTION | Surge Protection Module | Max. discharge capacity 5kA (hot-swappable) |
| INTERFACE | Cascade Port | 2 × RS485 for device cascading |
| USB Port | 1 × USB for WEB system upgrade | |
| BUTTONS | Physical Buttons | 1 × Enter/Exit/Setup multi-function button 1 × Scroll Up button 1 × Scroll Down button |
| CIRCUIT BREAKER | Brand | Liangxin |
| INSTALLATION | Mounting Type | Forward / Standard orientation |
| Chassis Color | Black | |
| Dimensions (W×H×D) | 485×400×112 mm (3U rack mount) | |
| ENVIRONMENT | Temperature | 0°C ~ 50°C |
| Humidity | 10% ~ 90% |
Ordering and Model Selection（订货选型） For more details, please feel free to contact us by phone or email for further information.
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Hotline: +86 512-67480468
Email: salina@kejia.com
Download
| File name | Product type | Download |
|---|---|---|
| JX-DN48 Smart Cabinet Power Distribution Box | Product Manual | Download |
