ODM GNM3 Series AC/DC High Voltage Molded Case Circuit Breaker Factories, Factory

GNM3 series circuit breakers adopt advanced molding technology, have excellent electrical and mechanical properties, and can operate stably in various complex working environments. Whether in renewable energy power generation systems such as wind power and solar power, or in application scenarios such as electric vehicle charging stations, the GNM3 series can effectively protect the circuit, prevent faults such as overload and short circuit, and ensure the safety and reliability of the system.

Product Description

Function Introduction
Through many years of dedicated research on the actual system operation situation and customer needs of new energy at home and abroad, the M3HU/DC series of AC and DC Molded Circuit Breaker for New Energy has been developed.
After years of in-depth research, a comprehensive analysis and discussion on the operation of actual domestic and foreign new energy systems and the diverse needs of customers has been conducted. On this basis, the GNM3 series of new energy AC and DC molded circuit breakers has been successfully developed. This series of products not only combines the latest technological innovations, but also fully considers the actual needs of the market, aiming to provide users with safer, more reliable and efficient power solutions.
User experience is fully considered in product design, providing simple installation and maintenance solutions to help reduce operating costs and improve work efficiency. Through continuous technological innovation and keen insight into market demand, the goal is to provide the best quality products and services and promote the sustainable development of the new energy industry.
AC 1140V Protection
GNM3 series Molded Circuit Breaker: The maximum rated voltage is AC 1140V, and the maximum current is 800A.
Breaking Capacity (AC 800V)
GNM3 series Molded Circuit Breaker: In the voltage of AC 800V, the maximum breaking capacity is 50kA, which can ensure reliable short-circuit protection of the system.
AC 1500V Protection
GNM3 series Molded Circuit Breaker: The maximum rated voltage is AC 1500V, and the maximum current is 800A.
Breaking Capacity (DC 1500V)
GNM3 series Molded Circuit Breaker: In the voltage of DC 1500V, the maximum breaking capacity is 20kA, which can ensure reliable short-circuit protection of the system.
Standards Compliance
GNM3 series AC/DC molded case circuit breakers meet the following standards:
  • IEC 60947-1 / GB/T14048.1: General Provisions
  • IEC 60947-2 / GB/T14048.2: Circuit Breakers
Applied Environment
  • The altitude is not higher than 5500m.
  • It is resistant to damp air (three-proof type).
  • It is resistant to the influence of salt fog and oil fog (three-proof type).
  • It is resistant to the influence of mold (three-proof type).
  • Suitable for use in a medium without explosion risk, where the medium is not enough to corrode the metal and destroy the insulation of the gas and conductive dust.
Note: The three-prevention products should be specially customized, please indicate TH.
Model Designation
Model meaning description
Product Classification
According to Operation Mode:
  • Direct operation
  • Electric operator mechanism operation
  • Rotary handle operation
According to Protection Form:
  • Line protection
  • Line isolation
Frequently Asked Questions (FAQ)
What is the maximum rated voltage for the GNM3 series?
The GNM3 series molded circuit breakers support a maximum rated voltage of AC 1500V (with maximum current of 800A) and a maximum rated voltage of AC 1140V (with maximum current of 800A).
What is the short-circuit breaking capacity of the GNM3 series?
Under AC 800V, the maximum breaking capacity is 50kA. Under DC 1500V, the maximum breaking capacity is 20kA, which ensures reliable system short-circuit protection.
What international standards do these circuit breakers comply with?
The GNM3 series meets both IEC 60947-1 (GB/T14048.1) General Provisions and IEC 60947-2 (GB/T14048.2) Circuit Breaker standards.
Can the GNM3 series circuit breakers be installed at high altitudes?
Yes, the GNM3 series is designed to operate reliably at altitudes up to 5500 meters.
Is there a special version for harsh environmental conditions?
Yes. We provide customized "three-proof" (TH) versions that offer excellent resistance to damp air, mold, salt fog, and oil fog. Please specify "TH" customization when ordering.
What operation modes are available for GNM3 molded circuit breakers?
They support three operation modes: direct operation, electric operator mechanism operation, and rotary handle operation.

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