The Schneider GB/T 18802.11 20KA is a surge protective device (SPD) designed according to the GB/T 18802.11 standard for electrical installations. This device is intended to protect electrical circuits and equipment from voltage spikes caused by lightning strikes or other transient voltage surges.
Parameters:
Model: GB/T 18802.11 20KA
Type: Surge Protective Device (SPD)
Surge Current Rating: 20KA (maximum surge current capacity)
Nominal Voltage (Un): Typically 230V/400V (depending on application)
Protection Level (Up): Typically ≤ 1.5kV (the voltage that appears across the SPD when the surge current flows through it)
Rated Voltage (Ue): 230V AC (single-phase) / 400V AC (three-phase)
Frequency: 50/60 Hz
Response Time: Less than 25ns (indicating fast response to surge events)
Nominal Discharge Current (In): 5kA (per line to ground or line-to-line)
Maximum Discharge Current (Imax): 20kA (for short-term surge events)
Protection Modes:
L-N (Line to Neutral)
L-PE (Line to Protective Earth)
N-PE (Neutral to Protective Earth)
Mounting Type: DIN rail or panel mounting
Operating Temperature Range: -40°C to +85°C
Certifications:
GB/T 18802.11 (Chinese standard for surge protection)
CE Mark (for compliance with European Union safety standards)