NDW1A series universal circuit breaker is a kind of multifunctional electrical equipment, suitable for AC 50Hz/60Hz, rated current 200A ~ 6300A, rated insulation voltage 1000V/1250V, rated working voltage AC220V/230V/240V, AC380V/400V/415V, AC440V/480V, AC660V/690V distribution network. Its main function is to distribute electric energy, protect lines and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults, and can also be used as an isolating switch. This article will introduce the functional characteristics, application scenarios and protection functions of NDW1A series universal circuit breakers to help readers understand the equipment more comprehensively.

1. Functional characteristics

NDW1A series universal circuit breaker has the following features:

• versatility: Suitable for distribution networks with different rated currents and rated voltages, and has a wide range of applicability.
• Protection function: It can protect lines and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults.
• Isolation function: It can be used as an isolating switch to ensure the safe maintenance and operation of the equipment.
• Selective protection: It has high-precision selective protection function to avoid unnecessary sudden power failure and improve the reliability and safety of the power supply system.

2. Application Scenarios

NDW1A series universal circuit breakers are suitable for various power distribution networks, including but not limited:

• power distribution systems for industrial production sites
• distribution Systems for Commercial Buildings
• distribution system for residential areas
• distribution system for utilities

3. Protection function

NDW1A Series Universal Circuit Breaker it has a variety of protection functions, including but not limited:

• overload protection: When the circuit load is too large, the circuit breaker will automatically trip to protect the circuit and power equipment from damage.
• Short circuit protection: When the circuit is short-circuited, the circuit breaker can quickly cut off the power supply to avoid accidents.
• Under-voltage protection: When the voltage is lower than the rated value, the circuit breaker can automatically disconnect the circuit and protect the equipment from damage.
• Single-phase grounding protection when a single-phase ground fault occurs, the circuit breaker can disconnect the circuit in time to avoid damage to electrical equipment.

4. Precautions for use

when using NDW1A series universal circuit breaker, you need to pay attention to the following:

• regularly check the operating status of the equipment to ensure normal operation.
• Avoid overload operation to avoid damage to the equipment.
• Pay attention to safe use of electricity to avoid circuit failure.