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 specificationsApplications
- Industry and automation
- Commercial and residential installations
- Telecom & IT & Data Centers
- Water treatment
- Smart grid & LV Metering
- Wind
Documents & Resources
Datasheet
Compliance
Product Specifications
Item Number
83010100
Catalogue No.
STMT1-50K275V-1P
Item Description (ERP)
STMT1-50K275V-1P
Short Description
SPD Type 1, 50kA, Uc275V, L-N LN, 1 Pole, 2 Modules, Monobloc
EAN/UPC Code
8435297849070
ROHS Compliant
Yes
IEC SPD Type
Type 1 / Class I
Nominal Operating Volt Rating (Un)
230 V
AC or DC
AC
Nominal Discharge Current (In) (8/20)
50kA
System Configuration
TT. TNS. TNC. IT
Lightning Impulse Current (10/350) (LIMP)
50 kA
Following Current (Ifi)
50 kA
Number of Poles
1-Pole
Torque Rating
35.4 lb-in
Max. Back-Up Fuse
500 A gG
Housing Material
PC+GF; V-0
Uc (L-N)
275 V
Up at In (L-N)
≤2.0 kV
Product Weight
0.573 lb
Product Width
1.42 in
Product Length
2.76 in
Product Height
3.54 in
Sell Pack Quantity
1 EACH
Sell Pack Weight
0.573 lb
Sell Pack Width
1.77 in
Sell Pack Length
4.13 in
Sell Pack Height
3.15 in