Marathon Diodes ZX85-10R & ZX85-10P – Rectifier Diode Set for 40–120 kW Generators

The ZX85-10R (Reverse Diode) and ZX85-10P (Forward Diode) are high-performance rectifier diodes designed for Marathon generator alternators in the 40–120 kW power range. These diodes form an essential part of the rotating rectifier assembly, providing stable DC excitation to the rotor and ensuring consistent generator voltage output.

Key Features

• Heavy-duty diode pair:

  • ZX85-10P – Forward Diode

  • ZX85-10R – Reverse Diode

• High electrical rating: approx. 85A / 1000V

• Designed for Marathon 40–120 kW generator alternators

• Strong thermal performance for continuous-duty operation

• OEM-equivalent quality components

• Ideal for industrial, commercial, and standby generator systems