Basic Information
Voltage Level
Medium Voltage
Product Name
Withdrawable Metal-Clad Switchgear
IP Class
IP4X (Shell) / IP2X (VCB Door Opened)
Package Size
150.00cm * 180.00cm * 235.00cm
Product Description
KYN28A-12/24 Indoor AC withdrawable metal-clad switchgear is specifically designed for 3.6~24kV three-phase AC 50Hz power grids. This robust system is utilized to receive, distribute, control, monitor, and protect the electrical power system. It is highly versatile and can be equipped with high-quality components such as VD4, VS1, and other advanced vacuum circuit breakers.
Key Features
- ✔ Central circuit breaker trolley prevents moisture and improves insulation.
- ✔ Draw-out type combination units offer excellent interchangeability and low maintenance.
- ✔ Circuit breaker handcart supports safe closed-door operation.
- ✔ Independent pressure release channels for every compartment.
- ✔ Reliable "five prevention" interlocking device for maximum safety.
- ✔ Separated busbar sections via wall bushings to limit fault propagation.
- ✔ Fast closing earthing switch ensures personal safety during maintenance.
- ✔ Spacious cable room designed for convenient user installation.
Technical Parameters
| Item |
Unit |
Parameter |
| Rated Voltage | kV | 12 | 24 |
| Power Frequency Withstand Voltage (1min) | kV | 42/48 | 65/79 |
| Lightning Impulse Withstand Voltage | kV | 75/85 | 125/145 |
| Rated Frequency | Hz | 50 | 50 |
| Rated Current (VCB) | A | Up to 5000 | Up to 4000 |
| Rated Short Time Withstand Current (4S) | kA | 16-50 | 25-40 |
| Rated Peak Withstand Current | kA | 40-125 | 63-100 |
| IP Class (Shell) | - | IP4X | IP4X |
Core Applications & Uses
⚡ POWER RECEPTION & DISTRIBUTION
Ideal for substations to receive grid power and distribute it to downstream circuits safely.
🛡️ SYSTEM PROTECTION
Automatically detects and isolates faults like short circuits to protect valuable equipment.
🏭 INDUSTRIAL FACILITIES
Used in manufacturing and large industrial complexes to manage high-power electrical loads.
🏗️ INFRASTRUCTURE
Essential for airports, railway systems, and large commercial building power management.
Frequently Asked Questions
Q1: Is OEM/ODM available for this switchgear?
A1: Yes! Our products are fully customizable. We have experienced engineering teams capable of tailoring products based on specific drawings or requirements.
Q2: What is the Minimum Order Quantity (MOQ)?
A2: The MOQ is one set.
Q3: What is the typical delivery time?
A3: Delivery usually takes about 15-20 days, depending on the specific order quantity and customization needs.
Q4: How do you ensure product quality?
A4: We utilize a dedicated QC team following TQM standards. Every product is fully assembled and undergoes rigorous testing before packing. We can also provide photos and videos of the testing process.
Q5: How long is the warranty period?
A5: We provide a 12-month warranty from the date of sale.
Q6: What standards does the switchgear comply with?
A6: The equipment is designed and tested in compliance with international electrical standards for indoor metal-clad switchgear, ensuring high reliability and safety.
Zago Electric
