Product Description

Featuring stable electromagnetic induction structure and high mechanical sensitivity, this relay provides adjustable current setting and reliable time-delay protection characteristics. It boasts strong anti-vibration and anti-interference performance, adapting to complex industrial power environments. With simple structure and high operational reliability, it ensures long-term stable protection for low and medium voltage power distribution systems.

Main Specifications

1. Full Model: DL42N-22; Product Type: Electromagnetic type industrial overcurrent protection relay
2. Applicable System: Industrial low/medium voltage power distribution lines, transformers and motor equipment
3. Core Function: Circuit overcurrent detection, short-circuit protection and power fault trip control
4. Working Principle: Adopts electromagnetic induction mechanism for fast current signal response and judgment
5. Current Adjustment: Supports continuous rated current setting to meet diverse protection thresholds
6. Protection Characteristic: Equipped with inverse time limit and definite time limit protection modes
7. Contact Configuration: Standard multi-group contact structure for signal output and interlock control
8. Operating Voltage: Adapts to conventional industrial control voltage and power frequency conditions
9. Environmental Resistance: Excellent anti-vibration, dustproof and temperature adaptation performance
10. Reliability: Mature industrial design, low failure rate and long service cycle for 24/7 operation

Core Functions

1. Serves as dedicated overcurrent and short-circuit protection equipment for industrial power systems.
2. Real-time monitors operating current of power lines and electrical equipment.
3. Automatically triggers tripping protection when circuit overcurrent fault occurs.
4. Quickly cuts off short-circuit current to prevent power equipment burnout and grid failure.
5. Supports adjustable protection thresholds to match different load equipment parameters.
6. Provides time-delay protection to avoid misoperation caused by instantaneous current fluctuation.
7. Outputs fault signal contacts for linkage with alarm and upper control systems.
8. Effectively isolates faulty circuits to ensure normal operation of healthy power sections.
9. Reduces power system fault loss and improves industrial power supply stability.
10. Guarantees safe and reliable operation of industrial power distribution and transmission systems.

Application Scenarios

1. Industrial factory low-voltage power distribution cabinet line overcurrent protection systems
2. Power plant auxiliary motor and transformer safety protection scenarios
3. Petrochemical power distribution equipment short-circuit and overcurrent fault protection
4. Metallurgical and mining heavy-duty electrical equipment power protection systems
5. Commercial building power distribution network safety monitoring and protection projects
6. Automation equipment power loop abnormal current protection scenarios
7. Medium and low voltage power transmission line fault protection and isolation systems
8. Traditional power distribution system renovation and protection device upgrading projects
9. On-site power equipment overload operation prevention and safety control scenarios
10. Industrial electrical equipment routine safety matching protection devices