DEHN surge protector Dehnguard M TT 275 - 952310

Surge protection Type 2 - TT - 4P - DEHNguard M TT 275 For TT net system.
Type 2 arrester according to EN61643-11. Nominal discharge current 20kA(8/20). Protection level < 1.25kV.

• Grid type TN-C: No
• Grid type TN-S: Yes
• Grid type TT: Yes
• Net type other: Yes
• Number of conductors (excluding earth): 4
• Nom. discharge surge current (8/20): 20kA
• Max. discharge peak current (8/20): 40kA
• Rated voltage AC: 400V
• Rated voltage DC: 0V
• Max. continuous voltage AC: 275V
• Max. continuous voltage DC: 0V
• Max. PV voltage: 0V
• Voltage protection level: 1.25kV
• Safety level L-N: 1.25kV
• Safety level N-PE: 1.5kV
• Max. overcurrent protection, parallel connection (fuse): 125A
• Max. overcurrent protection, series connection (fuse): 100A
• Short-circuit resistance (Isccr): 50kA
• Integrated Security: No
• Mounting method: DIN rail 35mm DIN size: 4 TE (Grid size)
• Max. conductor cross-section rigid wire (single/multi-wire): 35mm²
• Max. conductor cross-section of flexible wire (fine conductors): 25mm²
• With signal contact: No
• Signaling on device: Optical
• Test class type 2: Yes
• Degree of protection (IP): IP20