
Product Introduction

A compact switchgear unit is a high-efficiency, space-optimized power distribution solution designed for modern power projects with tight installation constraints. Unlike conventional bulky switchgear that requires large floor space, this integrated unit consolidates switching, protection and control functions inside one solid enclosure. It maintains full operational safety and stability while greatly reducing overall footprint. The unit supports precise power distribution management and fast electrical fault cutoff, and can be seamlessly integrated into new or existing power grids. Widely used in urban power networks, commercial buildings, industrial facilities and renewable energy stations, it is a practical upgrade solution for projects pursuing compact layout and long-term reliable operation.
Core Product Advantages

Space-Saving Miniaturized Structure
Every internal component, including circuit breakers, busbars and control modules, is precisely arranged through optimized structural layout. The overall cabinet size is significantly smaller than traditional switchgear. This compact design enables flexible installation in narrow substations, building basements and crowded industrial sites, solving the common pain point of limited construction space.

Safe and Durable Enclosure Structure
The switchgear adopts high-grade corrosion-resistant metal shell with strong mechanical strength and reliable insulation performance. Its standardized sealed IP structure effectively blocks dust, moisture and external contaminants, preventing internal component aging and corrosion. The rigid frame resists vibration and minor impact, ensuring stable performance during long-term high-load industrial operation.

Reasonable Internal Layout & Low Maintenance Cost
The interior adopts independent high and low voltage compartment separation to avoid electrical interference and potential safety risks. Standard internal wiring shortens cable layout length and reduces heat accumulation, lowering the probability of short-circuit and overheating faults. Core components are well-organized and easy to access, allowing routine inspection and simple maintenance without complicated disassembly.

Modular and Highly Compatible Design
Equipped with integrated heat dissipation components, the unit maintains stable heat circulation during continuous operation. Its flexible modular structure adapts to fluctuating power loads and diverse operational requirements. Fully compliant with international standards, the switchgear features strong compatibility with most existing grid systems, ensuring consistent and reliable performance across different application scenarios.
Application Environment
Success Case
This compact switchgear is suitable for indoor and semi-outdoor working environments with high requirements for safety and space efficiency. It adapts well to enclosed distribution rooms, humid working areas and densely arranged power stations. It is widely deployed in urban distribution projects, commercial complexes, industrial parks and new energy power plants, ideal for space-limited sites that require long-term stable and low-failure power distribution.
Product Specifications
| Project | Unit | Circuit Breaker | Load Switch | Load Switch - Fuse Combinations | |
| Rated Voltage | kV | 12 | 12 | 12 | |
| Rated Frequency | A | 630/1250 | 630 | 125 | |
| Rated Current | Hz | 50 | 50 | 50 | |
| Rated Insulation Level | 1 min Power Frequency Withstand Voltage (Interphase and Phase to Ground) | kV | 12 | 42 | 42 |
| 1 min Power Frequency Withstand Voltage (Isolating Distance) | 48 | 48 | 48 | ||
| Rated Power-frequency Withstand Voltage (Control and Auxiliary Circuit) | 2 | 2 | 2 | ||
| Rated Lightning Impulse (between Phases, to Earth) | 75 | 75 | 75 | ||
| Rated Lightning Impulse (Across the Isolating Diatance) | 85 | 85 | 85 | ||
| Rated Short-time Breaking Current | kA | 20/258 | - | 31.5 | |
| Rated Short-time Making Current | kA | 50/63 | 50 | 80 | |
| Rated Short-time Withstand Current | kA | 20/258 | 20 | - | |
| Rated Duration of Short-circuit | s | 4 | 4 | - | |
| Rated Peak Withstand Current | kA | 50/63 | 50 | - | |
| Take-over Current/ Transfer Current | A | - | - | 3150 | |
| Rated Operating Sequence | - | 0-0.3s-C0-180S-C0 | |||
| Rated Filling Pressure (Gauge Pressure When Temperature is 20℃) | Mpa | 0.02 | |||
| Minimum Functional Pressure (Gauge Pressure When Temperature is 20℃) | Mpa | 0 | |||
| Pressure Relief Device Release Pressure (Gauge Pressure When Temperature is 20℃) | Mpa | 0.16 | |||
| Yearly Gas Leakage Rate | - | ≤0.01% | |||
| Mechanical Life | Times | 10000 | |||
| Main Loop Resistance | μΩ | ≤150 | |||
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