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P-Series SPD
P-Series power supply SPD is designed in accordance with IEC, GB standards. During surge events, it connects protected circuits to an equipotential bonding system, limiting voltage to specified levels to safeguard users' electrical equipment. It supports hot-swapping and incorporates remote signalling capabilities.
Product Advantage
Robust surge protection up to 40kA, it incorporates intuitive fault indication and remote monitoring interfaces to ensure the safety and maintainability of critical power systems.
Technical Parameters

Product Uses
Used for power supply circuit to limits the residual voltage to a certain level and protect the devices.
P-Series power supply SPD is designed in accordance with IEC, GB standards. During surge events, it connects protected circuits to an equipotential bonding system, limiting voltage to specified levels to safeguard users' electrical equipment. It supports hot-swapping and incorporates remote signalling capabilities.
Product Advantage
Robust surge protection up to 40kA, it incorporates intuitive fault indication and remote monitoring interfaces to ensure the safety and maintainability of critical power systems.
Technical Parameters

Product Uses
Used for power supply circuit to limits the residual voltage to a certain level and protect the devices.
Q. Model notation: S(P)-5(24)-L(D)2(3)
S: Signal type, P: Power supply type
5: Rated operating voltage up to 5VDC, 24: Rated operating voltage up to 24VDC
L: Rail-mounted two-wire system, D: Base-mounted system
2: Two-wire system, 3: Base-mounted three-wire system
Q: What level of surge protection does it provide for my critical power systems?
A: The P-Series delivers robust lightning protection with nominal discharge currents from 20kA to 40kA (8/20μs waveform) and maximum discharge current up to 40kA, depending on the model. It clamps surge voltage to <600V for 24V DC systems and <1.2kV to <1.7kV for 220V AC systems. With an ultra-fast response time of <25ns and leakage current <20μA, it ensures minimal voltage stress on sensitive power electronics while maintaining system efficiency.
Q. Model notation: S(P)-5(24)-L(D)2(3)
S: Signal type, P: Power supply type
5: Rated operating voltage up to 5VDC, 24: Rated operating voltage up to 24VDC
L: Rail-mounted two-wire system, D: Base-mounted system
2: Two-wire system, 3: Base-mounted three-wire system
Q: What level of surge protection does it provide for my critical power systems?
A: The P-Series delivers robust lightning protection with nominal discharge currents from 20kA to 40kA (8/20μs waveform) and maximum discharge current up to 40kA, depending on the model. It clamps surge voltage to <600V for 24V DC systems and <1.2kV to <1.7kV for 220V AC systems. With an ultra-fast response time of <25ns and leakage current <20μA, it ensures minimal voltage stress on sensitive power electronics while maintaining system efficiency.
