Corrosion Resistant AC Ring Main Unit Rmu for Science and Technology Parks

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Corrosion Resistant AC Ring Main Unit Rmu for Science and Technology Parks

Customization:	Available
Certification:	ISO9001
Shell Material:	Steel Plate

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Product Description

Basic Information

Model NO.

HCM

Voltage Level

Medium Voltage

Installation

Fixed

Structure

Floorstanding

Current

Product Name

Gas-Insulated Ring Main Unit

Rated Voltage(Kv)

12, 24

Rated Current (a)

630, 1250

Rated Frequency(Hz)

50/60

IP Class-Shell

IP4X

IP Class-Chamber

IP67

Warranty

12 Months

Product Description

SF6 FULLY ENCLOSED AND FULLY INSULATED RING MAIN UNIT

HCM-12 SF6 is a fully insulated, fully enclosed, common box compact medium voltage series ring main unit (RMU). The switchgear and main bus are sealed in a shell filled with SF6 gas, providing a system that is fully insulated, expandable, and easy to combine.

⭐ KEY FEATURES

✔ Fully insulated and compact, suitable for any outdoor environment with an added enclosure.
✔ Modular, multi-functional combination with high reliability.
✔ Maintenance-free design with a long operational life.
✔ Flexible expansion capabilities to meet various network node requirements.
✔ Ideal for distribution switching stations and prefabricated substations.

Detailed Photos

Product Parameters

Item	Scheme C (LBS Unit)		Scheme F (LBS-Fuse)		Scheme V (Circuit Breaker)
Item	12kV	24kV	12kV	24kV	12kV	24kV
Rated Current (A)	630	630	125	125	630	630
Rated Frequency (Hz)	50	50	50	50	50	50
Power Freq. Withstand (kV)	42	65	42	65	42	65
Lightning Impulse (kV)	75	125	75	125	75	125
Short Time Current (kA/s)	20/4	20/4	-	-	20/4	20/4
Mechanical Life (Times)	10000	5000	10000	5000	20000	10000

Advantages of Ring Main Unit

⚡ High Reliability: Ensures continuous power supply even during single-point failures.
⚡ Flexible Operation: Efficient load transfer and protection with load switches and circuit breakers.
⚡ Small Footprint: Ideal for urban substations and space-constrained environments.
⚡ Enhanced Safety: Built-in mechanical and electrical interlocks to prevent misoperation.

Frequently Asked Questions

Is OEM/ODM available for the Ring Main Unit?

Yes, our products can be fully customized. Our experienced engineering teams can customize products according to your specific drawings or requirements.

What is the Minimum Order Quantity (MOQ)?

The MOQ for our Gas-Insulated Ring Main Unit is one set.

What is the typical delivery time?

Delivery usually takes about 15-20 days, depending on the specific order quantity and customization needs.

How do you ensure the quality of the RMU?

We utilize a dedicated QC team complying with TQM standards. Every product is fully assembled and undergoes rigorous testing before packing and shipping. Photos and videos of the testing process can be provided upon request.

What is the warranty period for this equipment?

We provide a standard warranty of 12 months from the date of sale.

Does the unit support outdoor installation?

Yes, while it is an indoor switchgear, it can be equipped with a specific enclosure to function as an outdoor switch box for various environmental conditions.