Description The Phoenix Contact 2907719 is a QUINT4 series redundancy diode module designed for reliable DC power supply systems in industrial environments. It supports dual 12–24 V DC input channels rated at 20 A each, with a combined output current capability of up to 40 A. The module ensures continuous power availability by automatically isolating a failed power source. Technical Specifications Condition New/Never Used Surplus Brand Phoenix Contact Category Semiconductors Part Number 2907719 Subcategory Diode Product Designation QUINT4-DIODE/12-24DC/2X20/1X40 Nominal Input Voltage Range 12 V DC … 24 V DC Input Voltage Range 10 V DC … 30 V DC Voltage Type DC Nominal Input Current 2 × 20 A Static Input Current 2 × 25 A Dynamic Input Current 2 × 30 A (5 s) ISFB Input Current 2 × 120 A (15 ms) Nominal Output Current 40 A Static Boost Current 45 A Dynamic Boost Current 60 A (5 s) Voltage Drop (Input/Output) 0.5 V Efficiency > 97 % Transient Surge Protection Varistor Insulation Voltage 1000 V Degree of Protection IP20 Housing Material Aluminum / stainless steel Mounting Type DIN rail Operating Temperature -40 °C … 70 °C Storage Temperature -40 °C … 85 °C Maximum Altitude ≤ 5000 m Relative Humidity ≤ 95 % (non-condensing) Information About 2907719 The 2907719 is a redundancy diode module from the Phoenix Contact QUINT4 series, engineered to increase the availability of DC power systems. It is designed for DIN rail mounting and features a robust metal housing suitable for industrial control cabinets. The module allows two independent power supplies to operate in parallel while preventing reverse currents and isolating faults automatically. Typical applications include automation systems, process control equipment, and infrastructure installations where uninterrupted DC power and high current handling are essential. Key Features QUINT4 Redundancy Module: Designed to enhance power supply availability in critical DC systems. Dual Input Channels: Supports two 12–24 V DC inputs rated at 20 A each for redundant operation. High Output Capacity: Delivers up to 40 A output current with boost capability during load peaks. Automatic Fault Isolation: Prevents backfeeding and isolates failing power sources without interruption. Low Voltage Drop: Maintains system efficiency with a typical voltage drop of only 0.5 V. DIN Rail Installation: Enables compact and secure mounting in industrial enclosures. Wide Environmental Tolerance: Operates reliably across a broad temperature and humidity range. The 2907719 delivers the reliability and precision required for redundant DC power distribution in demanding industrial and automation applications.