Combination arrester ProTec T1-300, 12.5 kA

• Combined arrester with plug-in modules for Lightning conductors and Surge protection
• With visual display

• Protection class: IP 20
• SPD according to EN 61643-11: Type 1+2
• Rated voltage UN: 230/400 V
• Max. permissible operating voltage Uc: 300 V
• Rated leakage current (8/20) In: 20 kA (L-N)/50 kA (N-PE)
• Limit leakage current (8/20) Imax: 50 kA (L-N)/100 kA (N-PE)
• Lightning impulse current (10/350) Iimp: 12.5 kA (L-N)/50 kA (N-PE)
• Protection level with In flush-mounted: 1.5 kV
• Short-circuit proof (back-up fuse): IP: 50 kA (250 A gL)/25 kA (315 A gL)
• Operating temperature: -40° to +85° C
• Connection cross-section: 2.5 mm² to 35 mm²
• Mounting: DIN EN 50022 35 mm mounting rails

• Optional signalling contact:
- Switching capacity: 250 V / 1 A
- Connection cross-section: 1.5 mm²