For extreme operating conditions, use the ideally matched combination of PLUGTRAB SEC surge protection device and the powerful QUINT POWER power supply of the fourth generation. However, should your fourth-generation QUINT POWER become damaged in the first five years following purchase despite the use of this combination, you will receive a free replacement . Series QUINT POWER Series For Use With Quint Power Supplies up to 30 VDC and 30 A Mounting Type DIN Rail Mount Type Industrial