10kV Quick Plug-in/Plug-out Connector
✅High Operational Flexibility & Safety：dual-mode operation，touch-Safe Design
✅Robust Material & Electrical Performance:optimized current path,advanced stress control,premium insulation
✅Secure & Heavy-Duty Mechanical Design:foolproof locking mechanism,clear operational feedback,rugged protection
✅Rapid Deployment & Efficiency (Lower SAIDI):plug-and-play commissioning,emergency & maintenance ready
- Product Introduction
10kV Quick Plug-in/Plug-out Connector is a prefabricated, modular cable connection system system used in 10 kV medium-voltage distribution networks. Its key feature is a push-in and twist-lock mechanical design, enabling fast, safe, and reliable connection and disconnection of power cables to switchgear (such as ring main units, cable branch boxes, and transformers) or to other cable sections.
10kV Quick Plug-in/Plug-out Connector can be operated under de-energized conditions or, when designed and approved for live-line applications, supports energized switching procedures within specified safety standards.
10kV Quick Plug-in/Plug-out Connector is an important component for enabling flexible network configuration, rapid fault isolation, load transfer, and improved operational efficiency in modern distribution systems.
Basic Structure & Working Principle
1
Contact Probe (Pin/Insert): Made of high-conductivity, silver-plated copper, this core current-carrying path features precision-engineered contacts or sockets at the front end to ensure low contact resistance
2
Stress Cone: Pre-molded from high-performance, semi-conductive rubber to effectively control electrical stress distribution at the cable insulation shield termination.
3
Insulating Housing: A pre-molded EPDM or silicone rubber component providing high dielectric strength (main insulation) and optimized external creepage distance to prevent surface tracking.
4
Shielding Layer & Grounding Terminal: A continuous outer semi-conductive layer that maintains the external surface at safe zero potential. It includes an integrated grounding ring or wire terminal for reliable system earthing.
5
Locking Mechanism: Features internal grooves, snap-springs, or threaded structures that securely engage upon rotation after full insertion, maintaining optimal contact pressure and preventing accidental disconnection.
6
Sealing Structure: Engineered with high-grade O-rings or lip seals to provide robust environmental protection, ensuring a certified IP68 dust- and waterproof rating once mated to the equipment interface.
7
Metal Shell (Optional/Outer Armor): Provides rugged mechanical impact protection, environmental shielding, and secure mounting points for demanding installation environments.
Workflow
Step 1: Alignment & Insertion
After securing the cable to the rear end of the connector, align the connector body precisely with the equipment's mating interface (bushing insert/well). Push the connector axially until it is fully seated.
Step 2: Locking & Engagement
Rotate the handle or the connector outer shell to activate the internal locking mechanism. A distinct audible "click" or the visual alignment of the indicator marks signifies that the connector is securely locked into position.
Step 3: Verification
Perform a quick visual and mechanical check to ensure the locking mechanism is fully engaged and the IP68 environmental seal is established.
Step 4: Disconnection Procedure
To disconnect, ensure the system is completely de-energized (unless specifically rated for live-line operation), release the mechanical lock by reversing the rotation, and pull axially to separate the connector.
Application Scenarios
Ring Main Units (RMUs) & Cable Branch Boxes
Serves as the standard inlet and outlet interface for RMUs, ensuring compact, safe, and reliable medium-voltage cable terminations in urban distribution networks.
Distribution Automation & Smart Grids
Supports the modular installation, maintenance, and rapid replacement of automated switchgear, minimizing deployment time for smart grid upgrades.
Live-Line & Maintenance Operations
Bypass Operations: Enables the rapid setup of temporary bypass lines to maintain uninterrupted power supply during scheduled grid maintenance.
Mobile Power & Load Banks: Allows fast, secure connection of mobile emergency generators or load banks during power outages or system testing.
Temporary Power Tapping: Provides a safe, efficient temporary power tap for large-scale public events, infrastructure projects, or construction sites.
Emergency Fault Repair & Recovery
Drastically reduces System Average Interruption Duration Index (SAIDI) by enabling maintenance crews to rapidly isolate and replace faulty cable sections or damaged equipment.
Industrial & Customer Installations
Facilitates the quick, plug-and-play commissioning of distribution transformers, high-voltage motors, and private substation equipment.
Technical Parameters
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | HN-SF12/250 |
| Rated Voltage | 10 kV |
| Rated Current | 250 A |
| Rated Frequency | 50 Hz |
| Power Frequency Withstand Voltage | 45 kV / 1 min, no breakdown, no flashover |
| Partial Discharge Level | ≤ 10 pC |
| Temperature Rise | 3 phase 400v |
FAQ
Q: What are your payment terms?
A: Our standard terms are T/T 30% as a deposit, with the remaining 70% balance due before shipment.
Q: What is the estimated delivery time?
A: Delivery times depend on the specific product type and order volume. Generally, standard orders take 7 to 21 days. For exceptionally large orders, we will coordinate with our Production Management Control (PMC) team to provide a customized delivery schedule.
Q: What is your standard packaging?
A: Our standard packaging consists of high-quality cardboard cartons. However, we are fully equipped to customize the packaging (such as using reinforced wooden crates) based on your specific shipping requirements.
Q: Can you provide Certificate of Origin documents like Form A, Form E, CO, or FTA?
A: Absolutely. We can prepare and provide all necessary trade documentation and certificates of origin to match your country's customs requirements.
Q: Can we apply our own brand logo to the products?
A: Yes. We offer comprehensive OEM services and can feature your logo on our products, provided the order meets our Minimum Order Quantity (MOQ) requirements.
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