10/24kV 250A Elbow Connector
- 10/24kV 250A elbow connector for separable medium voltage cable connections between cables and electrical equipment.
- Designed for transformer, switchgear and cable connection box applications where a compact screened connection is required.
- Available in HY ZT-10/250 and HY ZT-24/250 configurations with different cable cross-section selections.
- The connector selection depends on voltage class, equipment bushing compatibility, cable insulation diameter and conductor size.
- Suitable for indoor and outdoor medium voltage distribution projects requiring a separable cable connection solution.
Selecting a 250A Elbow Connector Starts with Equipment Compatibility
A medium voltage elbow connector is not simply selected by voltage and current rating. The complete connection system depends on the relationship between the cable, equipment bushing, connector interface and installation environment. Incorrect matching of these factors may prevent the accessory from being installed properly even when the electrical rating appears suitable.
RIKI HY ZT-10/250 and HY ZT-24/250 elbow connector series are designed for separable medium voltage cable connections between cables and equipment such as transformers, switchgear and cable connection boxes. The screened elbow structure provides a compact connection arrangement for distribution applications where equipment space and cable routing need to be considered.
Separable Connection for Transformer and Switchgear Applications
The elbow connector provides a screened and separable connection when matched with the appropriate bushing or plug. This allows medium voltage cables to be connected to equipment in a compact arrangement while maintaining the separable design required for many distribution systems.
Typical applications include transformer cable connections, switchgear interfaces and cable connection boxes. Before supply, buyers should confirm the equipment interface type to ensure the selected connector matches the installation system.
250A Current Rating for Medium Voltage Distribution Systems
The HY ZT-10/250 and HY ZT-24/250 series are designed for applications requiring a 250A continuous rated current solution. This positioning separates the product from higher current separable connector systems used for 600A or 630A equipment interfaces.
For project selection, the rated current should be evaluated together with the equipment connection requirements, cable construction and operating conditions rather than considered as an independent parameter.
Cable Size and Insulation Diameter Must Be Confirmed Before Ordering
Different cable conductor sizes require corresponding connector dimensions. The HY ZT-10/250 series provides multiple selections covering 25mm² to 120mm² cable cross-sections, with different cable insulation outer diameter ranges.
For quotation and technical confirmation, buyers should provide cable conductor size and insulation diameter information. Selecting only according to voltage class or cable cross-section may not guarantee compatibility with the actual cable structure.
Designed for Indoor and Outdoor Medium Voltage Installations
According to the product catalog, the 10/24kV elbow connector series is suitable for indoor and outdoor installation. The connector is designed as a screened separable accessory when installed with the correct matching bushing or plug.
The final installation method should consider equipment arrangement, cable routing, environmental conditions and the requirements of the complete medium voltage system.
Built-In Test Point for Circuit Status Checking
The elbow connector design includes a built-in capacity test point, allowing circuit status checking or installation of a fault indicator according to project requirements.
This feature supports maintenance and inspection processes in medium voltage distribution systems where monitoring of cable connection status is required.
10/24kV 250A Elbow Connector Specifications
| Product Name | 10/24kV 250A Elbow Connector |
|---|---|
| Brand | RIKI |
| Manufacturer | Zhejiang Ruikai Electric |
| Product Category | Separable Cable Connectors |
| Product Type | Elbow Cable Connector |
| Model | HY ZT-10/250 / HY ZT-24/250 |
| Voltage Designation | 10kV / 24kV |
| Maximum System Voltage (Um) | 25kV |
| Rated Current | 250A |
| Overload Current | 300A/8H |
| Short-time Withstand Current | 12.5kA/1s |
| Impulse Withstand Voltage | 125kV |
| AC Withstand Voltage | 54kV/5min |
| Applicable Cable | XLPE insulated medium voltage cable |
| Applicable Installation | Indoor and outdoor installation |
| Standard | GB/T 12706.4-2002; IEC60502.4-2005 |
| Model | Cable Cross Section | Cable Insulation OD |
|---|---|---|
| HY ZT-10/250-1 | 25 / 35 mm² | 16.6 / 17.6 mm |
| HY ZT-10/250-2 | 50 / 70 mm² | 19 / 20.6 mm |
| HY ZT-10/250-3 | 95 / 120 mm² | 22.6 / 23.6 mm |
Frequently Asked Questions (FAQ)
How do I select the correct 250A elbow connector for my medium voltage cable?
The selection should be based on more than the rated current. Buyers should confirm the voltage class, cable conductor size, insulation outer diameter, and the equipment bushing or plug interface before ordering. A connector with the correct current rating may not be suitable if the cable construction or equipment connection does not match.
What is the difference between a 250A elbow connector and a 630A separable connector?
The main difference is the rated current and corresponding equipment connection system. The 250A elbow connector is designed for medium voltage applications requiring a 250A separable connection, while 630A separable connectors are used for higher current equipment interfaces. The complete system requirements should be checked before selecting the accessory.
Can the HY ZT-10/250 elbow connector be used for both indoor and outdoor installations?
Yes. According to the product catalog, the 10/24kV elbow connector is suitable for indoor and outdoor installation. The connector should be installed with the proper matching bushing or plug to achieve the intended screened separable connection.
What cable information is required before requesting a quotation?
For accurate product selection, buyers should provide the cable voltage level, conductor cross-section, insulation diameter, cable construction details, equipment connection type, and required quantity. These details help confirm whether the selected elbow connector matches the project requirements.
Does the elbow connector include the complete installation accessories?
The catalog defines the elbow connector product series and technical specifications. The included accessory package should be confirmed according to the specific order requirements, cable system and installation method before production.
Applications of 250A Elbow Connector in Medium Voltage Distribution
Transformer Cable Connections
Used for separable medium voltage cable connections between XLPE cables and transformer equipment with compatible bushings.
10/24kV · 250A · Transformer Interface
Medium Voltage Switchgear
Suitable for switchgear applications requiring a compact screened and separable cable connection arrangement.
MV Switchgear · Separable Connection
Cable Connection Boxes
Applied in cable connection boxes where medium voltage cables require equipment-side separable connections.
Cable Branch Systems · Distribution
Medium Voltage Distribution Projects
Used for B2B project supply where cable specifications, equipment interfaces and installation conditions are confirmed before ordering.
Project Supply · Cable Accessories
