Eaton SPZT123-300/3+NPE-HS dispositivo de proteção contra sobretensões para barra coletora de 40mm, tipo 2+3, 3+NPE, 300V AC 501044

Surge protective device for 40mm busbar mounting, combining Type 2+3 protection in a 3+NPE configuration. It safeguards low-voltage systems against transient overvoltages with a maximum discharge current of 40 kA per pole.

Advantages

Varistor and gas discharge tube technology ensures reliable protection without follow current. Optical status indication provides immediate visual confirmation of device health. The compact design fits directly onto 40mm busbar systems for straightforward integration.

Suitable for

• Low-voltage power distribution systems
• Protection of sensitive electronic equipment
• Installations requiring combined Type 2 and Type 3 surge protection

Key specifications

• Nominal voltage: 230/400 V AC
• Max. continuous operating voltage (L-N/L-PE, N-PE): 300 V AC
• Nominal discharge current (8/20 µs): 20 kA per pole
• Max. discharge current (8/20 µs): 40 kA per pole
• Voltage protection level: ≤ 1.5 kV
• Short-circuit withstand capability: 50 kA
• Response time: < 25 ns
• Degree of protection: IP20
• Operating temperature range: -40 °C to +80 °C

Recommendations

Install in distribution boards with 40mm busbar systems. Verify that the continuous operating voltage matches the system's nominal voltage to ensure correct protection.