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Protection for areas with low overvoltages

This protection is especially designed for working in coordination with the power supply protection already seen in previous sections. Usually, we talk about tight protection, whereas in other sections we referred to coarse or medium protection. This aims to protect equipment that is more sensitive to overvoltages (computer systems, measurement or electronic equipment etc.) and designed for the end user. It is also the most flexible since it allows protection for both installations (distribution board) and workstations or a particular piece of equipment.

DS-HF_Single-Phase Surge Protector and Filter

Model: DS-HF - Origin: CITEL / France
Citel's DS-HF is a secondary surge protector for especially sensitive equipment. Single-phase network 230Vac. Max. operating voltage Uc 255Vac. Temporary overvoltage withstand 440Vac. Operating current leakage current at Uc < 1mA. Max. line current 16A. Nominal discharge current 15x 8/20 μs impulses 3kA. Maximum discharge current Max. withstand 8/20 μs Imax 10kA. RFI filtering 0.1-30MHz. The DS-HF surge protector is installed in series with connected equipment.     . Detail ...

ATPLUG POWER SUPPLY PLUG-IN SPD

Model: AT-9601 - Origin: AT3W / Spain
Tested and certified as Type 3 protectors according to regulations EN 61643-11 and GUIDE-BT-23 from REBT. Suitable for Categories I, II, III and IV equipment according to ITC-BT-23 from REBT.  . Detail ...

ATFILTER50 AC 1 phase Surge Protector

Model: AT-9401 - Origin: AT3W / Spain
ATFILTER 50 AC Single phase Surge Protector Device Nominal voltage 230Vac: Protection categories according to REBT: I,II,III,IV, maximum discharge current 10kA(8/20µs), Up<800V, tr <25ns, Uc= 255Vac, L<2mH, Attenuation between 0.15 and 30Mhz: 80dB (4MHz) / 40dB(0,15-30MHz). Maximum working current: 50A. Fixing DIN Rail.  . Detail ...

ATFILTER32 AC Surge Protector

Model: AT-9403 - Origin: AT3W / Spain
ATFILTER 32 AC Single phase Surge Protector Device Nominal voltage 230Vac: Protection categories according to REBT: I,II,III,IV, maximum discharge current 10kA(8/20µs), Up<800V, tr <25ns, Uc= 255Vac, L<2mH, Attenuation between 0.15 and 30Mhz: 80dB (4MHz) / 40dB(0,15-30MHz). Maximum working current: 32A. Fixing DIN Rail.  . Detail ...

ATFILTER16 AC Surge Protector

Model: AT-9402 - Origin: AT3W / Spain
ATFILTER 16-AC Single phase Surge Protector Device Nominal voltage 230Vac: Protection categories according to REBT: I,II,III,IV, maximum discharge current 10kA(8/20µs), Up<800V, tr <25ns, Uc= 255Vac, L<2mH, Attenuation between 0.15 and 30Mhz: 80dB (4MHz) / 40dB(0,15-30MHz). Maximum working current: 16A. Fixing DIN Rail.. Detail ...
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