Jinhand Electric Co., Ltd. welcomes various cooperation opportunities and looks forward to working together with you to create a better future. As a factory-based supplier rooted in China, our products are designed with a focus on user experience, featuring simple operation and easy maintenance, making them suitable for various electrical projects. Our SRM6-24 Insulated Gas Ring Main Unit is a professional indoor power distribution system that meets diverse electricity procurement needs.
1.Modular Design:Allows for flexible configurations, enhancing adaptability to various design schemes and operational needs.
2.Environmental Immunity:Fully sealed stainless steel housing protects internal components from environmental impacts, ensuring reliable operation.
3.Reliability and Safety:Designed for enhanced safety and consistent performance, contributing to overall system reliability.
4.Space Efficiency:Compact structural design minimizes space occupation, making it suitable for installations in limited spaces.
5.Maintenance-Free Operation:Reduces operational costs and resource requirements by eliminating the need for regular maintenance.
6.Long Service Life:Engineered for durability, providing a long service life, which enhances value over time.
| Project | Unit | LoadSwitchunit | CombinedElectricalApparatus unit | CircuitBreakerunit | ||
| Rated voltage | KV | 24 | 24 | 24 | ||
| Rated frequency | Hz | 50 | 50 | 50 | ||
| Rated current | A | 630 | 125 | 630 | ||
| Ratedinsulation level | 1-minute powerfrequency withstand voltage | Phase-to-phase,phase-to-ground | KV | 65 | 65 | 65 |
| Contactgap | KV | 79 | 79 | 79 | ||
| Control and auxiliary circuits | KV | 2 | 2 | 2 | ||
| Lightning impulsewithstand voltage | Phase-to-phase,phase-to-ground | KV | 125 | 125 | 125 | |
| Contact gap | KV | 145 | 145 | 145 | ||
| Rated short-time withstand current | kA/s | 20、25/4 | 一 | 20、25/4 | ||
| Rated peak withstand current | kA | 50、63 | 一 | 50、63 | ||
| Rated short-circuit breaking current | kA | 一 | Limited by high-voltagefuse | 20、25 | ||
| Rated short-circuit making current | kA | 50、63 | 50、63 | |||
| Rated transfer current | A | 一 | 1400 | 一 | ||
| Rated active load-breaking current | A | 630 | 一 | 一 | ||
| Rated closed-loop breaking current | A | 630 | 一 | 一 | ||
| Rated operating sequence | 1 | 一 | 一 | O-0.3s-CO-180s-CO | ||
| Mechanical Life | Load switch/circuit breaker | Times | 5000 | 5000 | 10000 | |
| isolation/earthing switch | Times | 3000 | 3000 | 3000 | ||
| Circuit resistance | μΩ | ≤150 | 一 | ≤150 | ||
| Rated gas pressure(gauge pressure at 20°℃) | MPa | 0.04 | ||||
| Annual relative gas leakage rate | Year | ≤0.01% | ||||
| Insulating gas | / | SF6 | ||||
| Protection Rating | Compartment(IP Code) | / | IP2XC | |||
| Gas Chamber (IP Code) | / | IP67 | ||||
| Cabinet(IP Code) | / | IP41 | ||||
| Cabinet (IK Code) | / | IK10 | ||||
1.SF6 Gas Insulation:Utilizes SF6 gas for insulation, enabling safe and efficient operation in medium-voltage applications.
2.Common-Tank and Expandable Units Integration:Achieves perfect integration of common-tank units and expandable units, catering to various compact switchgear requirements.
3.Type Testing Certification:Passed type tests at the National High-Voltage Electrical Equipment Testing Center, ensuring compliance with industry standards.
4.Wide Application Range:Suitable for diverse environments, including small secondary distribution substations, industrial sites, airports, railways, commercial areas, high-rise buildings, highways, subways, tunnels, and harsh natural conditions.
1.Customized Solution Design: Provides free product configuration proposals, arrangement drawings, foundation drawings, and intelligent terminal interface designs based on the user's site single-line diagram, site conditions, and automation requirements.
2.National Type Test Reports: The product has passed a complete set of type tests at the National High-Voltage Electrical Equipment Testing Center. Authoritative test reports can be provided, offering strong support for project acceptance and commissioning.
3.Factory Training & On-Site Guidance: Offers systematic training for user O&M teams at the factory on product structure, operation, and intelligent terminal use. Can dispatch engineers for on-site installation supervision, wiring verification, and commissioning support.
4.Full Lifecycle Gas Services: Provides SF6 gas testing, topping-up, recovery, and disposal services. Establishes product gas pressure records and offers regular reminders and on-site testing services.
5.Integrated Smart Distribution Delivery: Can provide complete distribution automation solutions including ring main units, DTU/FTU, communication networks, and master station software, achieving "Cabinet-Edge-Cloud" integrated delivery.
1.Jinhand Electrical offers a wide variety of products that meet our different needs. The company's professional capabilities in the field of electrical equipment are commendable.—Zhejiang Changlan Power Technology Co., Ltd. Taizhou Branch.
2.We appreciate Jinhand Electrical's efforts in technological innovation; they continuously launch new products that help us keep up with market trends.—Hebei Hengcheng Construction Engineering Co., Ltd.
3.The company's employees perform excellently, communicating smoothly, which ensures seamless collaboration and timely completion of our projects.—Hebei Mansheng Electric Equipment Co., Ltd.
Our exceptional quality has led us to build long-lasting partnerships with clients across 30+ countries, and we have earned significant praise for our products.
Following more than a decade of steady development, Jinhand has established itself as one of the leading manufacturers and suppliers of electrical equipment in China. Our factory integrates a host of state-of-the-art technologies and facilities, and we encourage you to order our premium, cost-efficient products manufactured in China.
Address
No. 188, Wei 15th Road, Yueqing City, Wenzhou City, Zhejiang Province, China
