Power Surge Protective Devices
- Isolated Safety Barriers
- Signal Isolators
- Surge Protective Devices
- Safety Relays
- Isolated Intelligent I/O Modules
- Intelligent Gateways
- Industrial Data Optical Transceivers
- Online Dew Point Analyzers
- Data Acquisition Modules
- HART data converter
- Terminal Board
PHL-TA-20/275
Product overview
This SPD is a three-phase power surge protector used in the third stage, adopts the common differential mode protection mode of phase line to zero line and zero line to ground, which is suitable for installation in TT power supply system shunt distribution cabinet and the junction of other LPZ2 areas, LPZ3 areas and subsequent areas
Main characteristics
Pre-wiring at base, convenient to wiring
plug-in modules for easy replacement.
| Technical data | PHL-TA-20/275 | PHL-TA-20/385 | PHL-TA-20/275 | PHL-TA-20/385 |
| Rated operating voltage Un | 220VAC | 220VAC | ||
| Maximum operating voltage Uc | 275VAC | 385VAC | 275VAC | 385VAC |
| Nominal discharge current In (8 / 20μs) | 10KA | 10KA | 10KA | 10KA |
| The maximum discharge current (8 / 20μs) | 20kA | 20kA | 20kA | 20kA |
| Protection voltage Up ( under In) | ＜1200V | ＜1500V | ＜1200V | ＜1500V |
| Cross-sectional area of connecting wire | 1.5mm²~25mm² flexible wire | 1.5mm²~25mm² flexible wire | ||
| Response time | ＜25ns | ＜25ns | ||
| Leakage current | ＜10μA | ＜10μA | ||
| Degrees of protection provided by enclosure (in line with IEC 60529) | IP 20 | IP 20 | ||
| Housing material/flammability rating | UL94-V0 | UL94-V0 | ||
| Test standard | GB 18802.1/IEC 61643-1 | GB 18802.1/IEC 61643-1 | ||
| Applied power system | Single Phase (TT system) | 3-phase 4-line (TT system) | ||
| Aging indicator function | Yes(Indicator window turns from green to red) | Yes(Indicator window turns from green to red) | ||
| Fuse or circuit breaker selection(A) | 25、32 | 25、32 | ||
| Aging thermal separation function | Yes | Yes | ||
| Working temperature range | -40~+80℃ | -40~+80℃ | ||
| Installation method | DIN35mm rail | DIN35mm rail | ||
Product Diagram
Schematic diagram
Dimension drawings
