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Approvals & Standards

  • IEC 61643-11
  • EN 61643-11

Key features & benefits

STM T1 50 is the most robust series of single pole Type 1/Class I lightning current arresters, able to discharge energy (current) from a direct lightning strike (10/350µs) on an external lightning protection system (LPS) or overhead supplies, in accordance with EN/IEC 61643-11. Suitable as the first step of protection in incoming power supply panels and areas with high exposure to lightning strikes, fitted 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
  • Wind

Product Specifications

IEC SPD Type

Type 1 / Class I  

Degree of Protection (IP)

IP20  

Wire Type

Rigid: 16…35mm² / Stranded: 16…25mm²  

CE Conformity

Yes  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Min Operating Temp.

-40   °C

References in this series  (5)

Item number - Catalog No.

AC or DC

Number of poles

Enclosure NEMA type

Product weight

Indication System

Value (field_ps_value)

83010100 - STMT1-50K275V-1P

AC  

1-Pole  

-

No

0.26   kg

83010102 - STMT1-100K-N

AC  

1-Pole  

-

No

0.26   kg

83010103 - STMT1-50K150V-1P

AC  

1-Pole  

-

No

0.26   kg

83010104 - STMT1-50K320V-1P

AC  

1-Pole  

-

No

0.26   kg

83010107 - STMT1-50K440V-1P

AC  

1-Pole  

-

No

0.26   kg