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AC SPD 385V 1P-4P BUA-40 IEC

BENY New Energy BUA AC Surge Protector 385V Type 2 Surge Protective Devices SPDs CE Certified

Highlights :

  • RoHS material
  • 385V Type 2 AC SPD
  • According to EN 61643-31
  • Thermal disconnect inside for fault indication
  • 5 years warranty
  • rohs
  • CE-Certified icon

Type 2 AC surge protection device up to 385V

Type 2 AC SPD protects the AC equipments and circuits from surges damage or overvoltage.


Improve the PV system safety for a longer PV system life. According to EN 61643 standard.

Plug-in MOV modules

The surge protection device is consisting of a base part and 3 plug-in high energy MOV protection modules.


Remote signaling contact for monitoring device is for options.


With thermal disconnect mechanical inside for fault indication by red indicator flag.


Model BUA-40/1,BUA-40/2 BUA-40/3, BUA-40/4
Moulds 1,2 3,4
SPD according to EN 50539-11 Type 2
Open Voltage Uoc Max 385V
Max. discharge current (8/20 µs) 40KA
Nominal discharge current (8/20 µs 20KA
Voltage protection level  Up ≤ 1.8KV
Response Time (tA ) ≤ 25 ns
Operating state / fault indication Green/Red
Remote Signaling Contact (optional) Changeover contact
For mounting on 35mm DIN rails
Degree of protection IP20
Certificate CE

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