


DS50 series
power configuration: “1+1” or “2+0”, 2P
L-N (MOV module): 7.5kA 10/350μs per pole
N-PE (GDT module):12.5kA 10/350
Type 1 + Type 2 SPD
2P SPD
DT50 …3V series
power configuration: “3+0”, 3P
7.5kA 10/350μs, 50kA 8/20μs per pole
Type 1 + Type 2 SPD
3P SPD
DT50 series
power configuration: “3+1” or “4+0”, 4P
L-N (MOV module): 7.5kA 10/350μs per pole
N-PE (GDT module):12.5kA 10/350
Type 1 + Type 2 SPD
4P SPD
The DS50 series surge protective device is class I & class II (or T1+T2 ) prewired two poles SPD designed for low-voltage power system lightning current & surge protection, used at the boundaries from lightning protection zone 0B -2 and higher.
With built in PROSURGE high energy MOV and GDT, DS50 ensures remarkable lightning current discharge capacity up to 7.5 kA 10/350μs(L-N), 12.5kA (N-PE) and high reliability. The unique design of thermal protection provides quick thermal response and secure disconnection.
- TUV certified T1+ T2 SPD per IEC/EN 61643-11 standard.
- Prewired two poles SPD ( “2+0” or “1+1” circuit) for use in single phase
- Unique thermal disconnector design provides quick thermal response and secure disconnection
- Lightning current capacity up to 7.5 kA10/350μs(L-N), 12.5kA 10/350μs( (N-PE)
- Surge current capability up to 50kA 8/20μs
- Low voltage protection level
- High short-circuit current rating up to 25kArms, suitable for application in most AC power system.
- Degradation failure indication and optional remote signal contact.
- Pluggable module for easy replacement without the need to remove system wiring.
- Wide operating temperature -40ºC ~85ºC
- 35mm DIN-rail mounting
- Comply with UL1449 5th, IEEE C62.41,CSA C22.2 standards
The DT50 3V is class I & class II (or T1+T2 ) prewired three poles SPD designed for low-voltage power system lightning current & surge protection, used at the boundaries from lightning protection zone 0B -2 and higher.
With built in PROSURGE high energy MOV, DT50 3V ensures remarkable lightning current discharge capacity up to 7.5 kA 10/350μs and high reliability. The unique design of thermal protection provides quick thermal response and secure disconnection.
- TUV certified T1+ T2 SPD per IEC/EN 61643-11 standard.
- Prewired three poles SPD (“3+0” circuit) for use in three phase IT / TN-C systems
- Unique thermal disconnector design provides quick thermal response and secure disconnection
- Lightning current capacity up to 7.5 kA10/350μs
- Surge current capability up to 50kA 8/20μs
- Low voltage protection level
- High short-circuit current rating up to 25kArms, suitable for application in most AC power system.
- Degradation failure indication and optional remote signal contact.
- Pluggable module for easy replacement without the need to remove system wiring.
- Wide operating temperature -40ºC ~85ºC
- 35mm DIN-rail mounting
- Comply with UL1449 5th, IEEE C62.41,CSA C22.2 standards
The DT50 series is class I & class II (or T1+T2 ) prewired four poles SPD designed for low-voltage power system lightning current & surge protection, used at the boundaries from lightning protection zone 0B -2 and higher.
With built in PROSURGE high energy MOV and GDT, DT50 ensures remarkable lightning current discharge capacity up to 7.5 kA 10/350μs(L-N), 12.5kA (N-PE) and high reliability. The unique design of thermal protection provides quick thermal response and secure disconnection.
- TUV certified T1+ T2 SPD per IEC/EN 61643-11 standard
- Prewired four poles SPD (“4+0” or “3+1” circuit) for use in three phase TN/TT systems
- Unique thermal disconnector design provides quick thermal response and secure disconnection
- Lightning current capacity up to 7.5 kA10/350μs(L-N), 12.5kA 10/350μs( (N-PE)
- Surge current capability up to 50kA 8/20μs
- Low voltage protection level
- High short-circuit current rating up to 25kArms, suitable for application in most AC power system.
- Degradation failure indication and optional remote signal contact.
- Pluggable module for easy replacement without the need to remove system wiring.
- Wide operating temperature -40ºC ~85ºC
- 35mm DIN-rail mounting
- Comply with UL1449 5th, IEEE C62.41,CSA C22.2 standards
Prosurge Surge Protection Device Products Family
Click to explore our extensive surge protection devices and other lightning protection products.
DIN-rail SPD for AC Power Supply
Panel SPD for AC Power Supply
IEC Standard
UL Standard
Other Surge and Lightning Protection Products
Live chat with us by clicking the chat button on the bottom right corner
Fill the Contact Form and Get Reply in 2 Hours
For North American market, please contact
For other markets, please contact
+86 757 8632 7660