
JP Low-voltage Integrated Smart Distribution Box
✅Comprehensive Digital Measurement & Advanced Sensing
✅Robust Data Acquisition & Multi-Protocol Communication
✅High-Precision Alarms & Intelligent Protection
✅Seamless Remote Control & Grid Automation
✅Integrated Compact Design & Enhanced Operator Safety
- Product Introduction
The JP Low-Voltage Integrated Smart Distribution Box (JP Cabinet) is engineered specifically for rural and urban distribution transformer networks. It operates seamlessly at a rated frequency of 50 Hz, a rated voltage of 400 VAC, and a rated current up to 630 A.
As a highly advanced power distribution unit, the JP Low-Voltage Integrated Smart Distribution Box goes beyond traditional switching functions by fully integrating electricity metering, real-time data acquisition, status monitoring, smart communication, and intelligent fault protection into a single, cohesive enclosure. Far more than a standard distribution panel, JP Low-Voltage Integrated Smart Distribution Box serves as the critical "nerve ending" and data-interaction node for modern user-side energy management systems and smart grid infrastructure.
Key Features
Robust Field Versatility
Grid-Ready Deployment: Engineered specifically for public distribution transformers across rural, suburban, and municipal networks.
Standard Ratings: Fully compliant with 50 Hz AC systems, a 400 VAC operating voltage, and continuous rated currents up to 630 A.
Weatherproof Enclosure: Optimally designed for secure, long-term outdoor pole-mounted installation.
Advanced Smart Grid Integration
Real-Time Data Acquisition: Continuously collects and monitors energy metrics to maximize grid transparency and operational management.
Demand-Side Management (DSM): Supports active load control and demand response algorithms to optimize localized power distribution.
Remote Automation: Fully compatible with smart grid communication protocols, enabling seamless remote telemetry, diagnostics, and automated control.
High-Performance Power Quality & Protection
Dynamic Reactive Power Compensation: Features integrated capacitor steps to instantly improve power factor, eliminate reactive penalties, and reduce line losses.
Comprehensive Fault Protection: Equipped with intelligent protection mechanisms against overloads, short circuits, phase loss, and over/under-voltage transients.
Harsh-Environment Durability: Built with a rugged, corrosion-resistant chassis to withstand extreme outdoor conditions, UV exposure, and thermal cycling.
Next-Generation Intelligent Design
Next-Gen Evolution: Upgraded from traditional, passive JP cabinets by embedding microprocessor-based intelligence and smart monitoring terminals.
Bidirectional Communication: Utilizes advanced communication modules to support two-way data flows for revenue-grade smart metering and edge-grid analytics.
Technical Parameters
Rural power grid JP cabinet technical parameters table(3/2 circuits)
| Specification and model | Distribution capacity (kVA) | Circuits | Power distribution | Reactive power compensation | Dimention (Length x width x height)mm | |||
| Main Disconnect Switch | Busbar (TMY) | Protection device | compensate Capacity (kVar) | Capacitance grouping | ||||
| JP-125/3-N | 80, 100, 125 | Three | 400A | 30x3 | 100A | 20 | Y5+△5+△10 | 1300 X 600X1200 |
| JP-200/3-N | 160,200 | Three | 400A | 40x4 | 200A | 40 | Y5+△5+△10+△20 | |
| JP-250/3-N | 250 | Three | 600A | 50x5 | 250A | 50 | Y10+△5+△15+△20 | 1600X600X1200 |
| JP-315/3-N | 315 | Three | 1000A | 60x6 | 400A | 65 | Y10+△10+△20+△25 | |
| JP-125/2-N | 80, 100, 125 | Two | 400A | 30x3 | 200A | 20 | Y5+△5+△10 | 1300 X 600X1200 |
| JP-200/2-N | 160, 200 | Two | 600A | 40x4 | 250A | 40 | Y5+△5+△10+△20 | |
| JP-315/2-N | 250, 315 | Two | 1000A | 50x5 | 400A | 60 | Y10+△5+△20+△20 | 1600 X 600X1200 |
City power grid JP cabinet technical parameters table(3/2 circuits)
| Specification and model | Distribution capacity (kVA) | Circuit | Power distribution | Reactive power compensation | Dimention(Length x width x height) mm | |||
| Main Disconnect Switch | Busbar (TMY) | Molded Case Circuit Breaker (MCCB)
| compensate Capacity (kVar) | Capacitance grouping | ||||
| JP-125/3-C | 80, 100, 125 | Three | 400A | 30x3 | 100A | 20 | Y5+△5+△10 | 1300X600X1200 |
| JP-200/3-C | 160,200 | Three | 400A | 40x4 | 200A | 40 | Y5+△5+△10+△20 | |
| JP-250/3-C | 250 | Three | 600A | 50x5 | 250A | 50 | Y10+△5+△15+△20 | 1600X600X1200 |
| JP-315/3-C | 315 | Three | 1000A | 60x6 | 400A | 65 | Y10+△10+△20+△25 | |
| JP-125/2-C | 80, 100, 125 | Two | 400A | 30x3 | 200A | 20 | Y5+△5+△10 | 1300X600X1200 |
| JP-200/2-C | 160, 200 | Two | 600A | 40x4 | 250A | 40 | Y5+△5+△10+△20 | |
| JP-315/2-C | 250, 315 | Two | 1000A | 60x6 | 400A | 60 | Y10+△5+△20+△20 | 1600X600X1200 |
Note: The parameters listed above are standard nominal specifications for reference only and can be fully customized to meet specific project requirements. Due to continuous product improvement, Jinneng reserves the right to modify technical data without prior notice.
Electrical Schematic Diagram

Comparison Against Traditional JP Cabinets
| Feature | JP IE (Smart Cabinet) | Traditional JP Cabinet |
| Remote Monitoring | Yes (4G/Cloud) | No |
| Reactive Compensation | Automatic & Dynamic | Manual/Fixed |
| Load Management | Peak shaving, Alerts | Not available |
| Fault Detection | Real-time diagnostics | Basic protection only |
| Energy Efficiency | Optimized via AI logic | Static operation |
Core Functions
Continuously monitors all critical electrical parameters (voltage, current, power factor, harmonics) and the operational status of every branch circuit around the clock.
Accurately records individual circuit power consumption, providing revenue-grade data logs to drive energy efficiency analytics and precise cost accounting.
Features intelligent threshold monitoring to provide early warnings and instant alerts for anomalies, including circuit overloads, phase loss, excessive leakage current, under/over-voltage, and abnormal terminal temperatures
Enables seamless remote meter reading, remote breaker tripping/closing, and remote fault diagnostics, drastically reducing the necessity and expense of manual on-site inspections.
Generates actionable historical data to support localized energy-saving retrofits, demand-side response compliance, and proactive equipment lifecycle management.
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