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
Country / Language:  USA / English
Contact us

Approvals & Standards

  • IEC 61643-11
  • EN 61643-11

Key features & benefits

STP T12 25 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. 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  

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 serie  (13)

Item number - Catalog No.

AC or DC

Number of poles

Enclosure NEMA type

Product weight

Indication System

Value (field_ps_value)

83120150 - STPT12-25K275V-4PG

AC  

4-Pole  

-

Yes  

2.877   lb

83120151 - STPT12-25K275V-4PGM

AC  

4-Pole  

-

Yes  

2.987   lb

83120152 - STPT12-25K275V-1P

AC  

1-Pole  

-

Yes  

0.772   lb

83120153 - STPT12-25K275V-1PM

AC  

1-Pole  

-

Yes  

0.838   lb

83120154 - STPT12-25K275V-2PG

AC  

2-Pole  

-

Yes  

1.543   lb