GB 14287.2-2026Electrical fire monitoring system - Part 2: Residual current electrical fire monitoring detector (English PDF)

National Standard of the People's Republic of China

Replacing

GB 14287.2-2014

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Preface
• Introduction
• 1.Scope
• 2 Normative References
• 3.Terms and Definitions
• 4.Classification 3.
• 5 Technical Requirements
• 5.1 General Requirements
• 5.2 Appearance
• 5.3 Performance of Major Components
• 5.4 Basic Functions
• 5.5 Electrical parameter monitoring function
• 5.6 Alarm control function
• 5.7 Communication Functions
• 5.8 Repeatability
• 5.9 Consistency
• 5.10 Compatibility with various residual current sensors
• 5.11 High Current Surge Adaptability
• 5.12 Harmonic Adaptability
• 5.13 High-frequency load adaptability
• 5.14 Capacitive current suppression
• 5.15 Dynamic Residual Current Adaptability
• 5.16 Insulation resistance
• 5.17 Leakage current
• 5.18 Electrical strength
• 5.19 Electromagnetic Compatibility
• 5.20 Voltage fluctuation
• 5.21 Operational stability
• 5.22 Mechanical environmental tolerance
• 5.23 Climate and Environmental Tolerance
• 5.24 Instruction Manual
• 6.Test Methods
• 6.1 General Requirements
• 6.2 Appearance and performance inspection of major components
• 6.3 Monitoring and Alarm Function Test
• 6.4 Fault Alarm Function Test
• 6.5 Electrical Parameter Monitoring Function Test (Applicable only to samples with this function)
• 6.6 Alarm Control Function Test (Applicable only to stand-alone specimens)
• 6.7 Communication Function Test
• 6.8 Repeatability Test
• 6.9 Consistency Test (applicable only to split-type specimens)
• 6.10 Compatibility Test of Multiple Residual Current Sensors
• 6.11 High Current Impact Adaptability Test
• 6.12 Harmonic Adaptability Test (Applicable only to AC type samples)
• 6.13 High-frequency load adaptability test (applicable only to AC type samples)
• 6.14 Capacitive current suppression test (applicable only to samples with resistive residual current detection function)
• 6.15 Dynamic Residual Current Adaptability Test (Applicable only to DC-type samples)
• 6.16 Insulation Resistance Test
• 6.17 Leakage Current Test
• 6.18 Electrical strength test
• 6.19 Radio Frequency Electromagnetic Field Radiation Immunity Test
• 6.20 Conducted Interference Immunity Test by Radio Frequency Field Induction
• 6.21 Electrostatic Discharge Immunity Test
• 6.22 Electrical Fast Transient/Bulk Immunity Test
• 6.23 Surge (Impulse) Immunity Test
• 6.24 Immunity test for voltage sags, short interruptions and voltage variations
• 6.25 Power Frequency Magnetic Field Immunity Test
• 6.26 Voltage Fluctuation Test (Applicable only to samples powered by a 220V/50Hz AC power supply)
• 6.27 Operational stability test
• 6.28 Vibration (Sine) (Running) Test
• 6.29 Crash Test
• 6.30 Low Temperature (Operation) Test
• 6.31 Constant Humidity and Heat (Operation) Test
• 7.Inspection Rule
• 7.1 Factory Inspection
• 7.2 Type Testing
• 8.Markings and Packaging
• 8.1 Product Marking
• 8.2 Quality Inspection Marks
• 8.3 Marking durability
• 8.4 Packaging
• Appendix A (Normative) Combustion Performance
• Appendix B (Normative) Residual Current Sensor
• References