MRXH-10 Arc Suppression Cabinet from China Factory: Reliable Resonance Elimination by Top Suppliers

Introducing the MRXH-10 Arc Suppression and Resonance Elimination Cabinet, a cutting-edge solution designed to significantly improve power system stability. Manufactured in China, this innovative cabinet efficiently eliminates resonance and suppresses arc grounding overvoltages, ensuring that various overvoltages are limited to safer levels. Unlike traditional arc suppression coils, the MRXH-10 offers optional features that enhance performance. With a compact design tailored for seamless integration into high-voltage switchgear, it operates reliably across a temperature range of -40°C to +60°C and supports voltages up to 35kV. This cabinet minimizes insulation failures and reduces the breakdown rates of MOAs, providing robust protection for substations and power plants, whether for new installations or retrofit projects. As leading suppliers in the industry, we ensure that our factory produces top-quality products to meet the demands of modern power systems.

Product Details

Type Designation

1	Company Abbreviation - MINGRI ELECTRIC CO., LTD.
2	Arc Suppression and Resonance Elimination Cabinet
3	Rated Voltage: 6, 10, 35 (kV)
4	Rated Current (A)
5	Optional Feature X (Microprocessor-Based Faulted Line Selection Device)

Product Display

MRXH-10 Arc Suppression and Resonance Elimination Cabinet

Technical Parameters

Parameter	Unit	Value
Rated Frequency	Hz	50
Rated Voltage	kV	6, 10, 35
Rated Current	A	31.5 - 200 (For some high-end models, up to 630A)
Breaking Capacity Level	kA	≥10 (For some models, up to 40kA)
Thermal Withstand Current	s	4
Insulation Level	kV	≥5
Protection Grade	-	IP4X
Faulted Line Selection Function	-	Supports multiple circuits (e.g., 28 circuits)
Communication Interface	-	RS485
Altitude	m	≤2000
Temperature Range	°C	-40 to +60

Product Features

1. This device significantly enhances the stability of the power system by limiting various overvoltages to a lower level, substantially reducing insulation failures and cascading faults caused by overvoltage.
2. It provides comprehensive overvoltage protection, effectively suppressing atmospheric, switching, and arc grounding overvoltages. Its performance in limiting arc grounding overvoltage surpasses that of arc suppression coils, making their installation optional in systems equipped with this device.
3. By eliminating persistent arc grounding overvoltages, the device markedly improves grid operating conditions and reduces the failure rate of metal oxide arresters (MOAs).
4. An independent microprocessor-based earth fault line selection device is available as an option to ensure higher accuracy and reliability in fault line detection.
5. Featuring simple selection and easy use, its protection mechanism is independent of the system's single-phase ground capacitance current. Its performance remains unaffected by changes in grid operation mode or expansion, making it suitable for power grids of various scales.
6. With a compact structure and easy installation, the device is integrated into a single high-voltage switchgear cabinet, replacing the potential transformer cabinet. Its small size and simple commissioning make it suitable for substations, power plant auxiliary systems, and both new and retrofit projects, with compatibility for existing arc suppression coil systems.

Frequently Asked Questions

Q What is the MRXH-10 Arc Suppression and Resonance Elimination Cabinet used for?

The MRXH-10 is designed to suppress arc grounding overvoltages, atmospheric overvoltages, and switching overvoltages in medium-voltage power systems (6kV, 10kV, 35kV). It protects insulation, reduces cascading faults, and improves overall grid stability.

Q What rated voltages does the MRXH-10 support?

The MRXH-10 supports rated voltages of 6kV, 10kV, and 35kV, making it suitable for a wide range of medium-voltage distribution networks and substations.

Q Does the MRXH-10 replace the traditional arc suppression coil?

Yes. The MRXH-10's performance in limiting arc grounding overvoltage surpasses that of traditional arc suppression coils. In systems equipped with this device, the installation of a separate arc suppression coil becomes optional, simplifying substation design and reducing costs.

Q Is a faulted line selection function available on the MRXH-10?

Yes. An optional independent microprocessor-based earth fault line selection device can be included. It supports up to 28 circuits and communicates via RS485, ensuring high accuracy and reliability in identifying faulted lines.

Q What are the installation and environmental requirements for the MRXH-10?

The MRXH-10 can be installed at altitudes up to 2,000 meters and operates in temperatures ranging from -40°C to +60°C. It has a protection grade of IP4X and is integrated into a single high-voltage switchgear cabinet for easy installation in both new and retrofit projects.

Q Is the MRXH-10 compatible with existing power grid configurations?

Yes. The MRXH-10's protection performance is independent of the system's single-phase ground capacitance current and is unaffected by changes in grid operation mode or system expansion. It is compatible with existing arc suppression coil systems and suitable for substations, power plant auxiliary systems, and grids of various scales.