Skip to main content

All locations

Please select your country & language

China | 中国
Germany | Deutschland

Your country is not in the list?

Go to our international website:

Mersen EP International website
Contact us

Approvals & Standards

  • IEC 61643-11
  • EN 61643-11

Key features & benefits

STP T12 12.5 is the series of combined Type 1+2/Class I+II devices for discharging lightning currents and protecting against voltage surges, in accordance with EN/IEC 61643-11. Suitable as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system.

More specifications

Applications

  • Industry and automation
  • Commercial and residential installations
  • Telecom & IT & Data Centers
  • Water treatment
  • Smart grid & LV Metering
  • Photovoltaic & wind

Product Specifications

IEC SPD Type

Type 1+2 / Class I+II  

Short Circuit Withstand (Isccr)

25   kA

Degree of Protection (IP)

IP20  

Wire Type

Rigid: 6…35mm² / Stranded: 6…25mm²  

CE Conformity

Yes  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Min Operating Temp.

-40   °C

References in this series  (48)

83120117 - STPT12-12K320V-2PGM

AC  

2-Pole  

-

Yes  

0.298   kg

83120118 - STPT12-12K150V-2P

AC  

2-Pole  

-

Yes  

0.345   kg

83120119 - STPT12-12K150V-2PM

AC  

2-Pole  

-

Yes  

0.354   kg

83120120 - STPT12-12K275V-2P

AC  

2-Pole  

-

Yes  

0.345   kg

83120121 - STPT12-12K275V-2PM

AC  

2-Pole  

-

Yes  

0.354   kg

83120122 - STPT12-12K320V-2P

AC  

2-Pole  

-

Yes  

0.345   kg

83120123 - STPT12-12K320V-2PM

AC  

2-Pole  

-

Yes  

0.354   kg

83120124 - STPT12-12K440V-2P

AC  

2-Pole  

-

Yes  

0.345   kg

83120125 - STPT12-12K440V-2PM

AC  

2-Pole  

-

Yes  

0.376   kg

83120126 - STPT12-12K75V-2P

AC  

2-Pole  

-

Yes  

0.345   kg

83120127 - STPT12-12K75V-2PM

AC  

2-Pole  

-

Yes  

0.354   kg

83120128 - STPT12-12K150V-3P

AC  

3-Pole  

-

Yes  

0.44   kg

83120129 - STPT12-12K150V-3PM

AC  

3-Pole  

-

Yes  

0.44   kg

83120130 - STPT12-12K275V-3P

AC  

3-Pole  

-

Yes  

0.509   kg

83120131 - STPT12-12K275V-3PM

AC  

3-Pole  

-

Yes  

0.518   kg