$ 42.09
Weidmuller PRO DM 10 diode module for 24V DC systems, ensuring reliable power redundancy, high efficiency, and protection against power supply failure.
The Weidmuller PRO DM 10 diode module is a reliable 24 V DC component designed to protect automation systems from power supply failures. It allows two power supplies to operate in parallel, maintaining continuous operation if one unit fails. With support for high output current, low voltage drop, and strong energy efficiency, the PRO DM 10 helps safeguard connected loads while limiting heat generation in control cabinets. Its compact DIN-rail design and industrial-grade construction make it suitable for installations where space efficiency and long-term reliability are essential.
In real-world applications, the PRO DM 10 improves system availability by electrically isolating redundant power supplies and preventing reverse current during fault conditions. This passive redundancy solution requires no configuration, simplifying system design and installation. Stable performance across wide temperature ranges makes it suitable for demanding industrial environments. Combined with a durable metal housing and high resistance to electrical interference, the PRO DM 10 supports reliable power distribution, reduces downtime risk, and helps protect critical automation equipment.
Why PRO DM 10?
The PRO DM 10 is designed for engineers who cannot afford power interruptions. It combines high current capacity with excellent efficiency in a compact DIN-rail module, making it easy to integrate into modern control panels. Its passive diode-based design works instantly without software, setup, or maintenance, offering dependable redundancy that simply works in the background. This makes the PRO DM 10 a practical, long-term choice for building robust and professional-grade power architectures.
What problem does it solve?
The PRO DM 10 eliminates single-point power failures in 24 V DC systems by safely isolating and combining two power supplies. When one supply fails or degrades, the module prevents reverse current and automatically keeps the load powered by the remaining source. This protects sensitive equipment from voltage instability, avoids unexpected shutdowns, and helps maintain continuous operation in critical industrial automation and control applications.
| Feature | Details | Benefit |
|---|---|---|
| Product Type | Diode module for redundancy systems | Ensures continuous power supply during power unit failure |
| Rated Input Voltage | 24 V DC (input range up to 60 V DC) | Compatible with standard industrial 24 V DC power architectures |
| Output Current Capacity | Up to 20 A continuous (temperature dependent) | Supports high-load automation and control systems |
| Redundancy Function | Passive diode-based isolation of two power supplies | Prevents back-feeding and eliminates single-point power failure |
| Voltage Drop | Typical approx. 0.7 V | Minimizes energy loss while maintaining safe isolation |
| Efficiency | Greater than 97% at 24 V DC | Reduces heat generation and improves cabinet energy efficiency |
| Output Power | Up to 466 W | Suitable for demanding industrial loads |
| Mounting Method | DIN rail TS 35, horizontal mounting | Enables fast, space-efficient control cabinet installation |
| Housing Material | Metal, corrosion-resistant | Provides durability and long service life in harsh environments |
| Operating Temperature | -40 °C to +70 °C (with derating) | Reliable operation in extreme industrial conditions |
| Protection Degree | IP20 | Designed for protected control cabinet environments |
| Electrical Protection | Reverse polarity protection | Safeguards connected equipment during fault conditions |
| EMC & Immunity | High resistance to shock, vibration, and interference | Ensures stable performance in electrically noisy environments |
| Approvals & Compliance | UL certified, RoHS compliant | Meets international industrial and safety standards |
| Dimensions (W × H × D) | 32 × 125 × 125 mm | Optimized for compact control panel layouts |
Download Weidmullar PRO DM 10 (2486070000) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4050118496772 |
| Net Weight | 332 g |
In automated factories, unexpected power loss can halt robotic cells, conveyors, and PLC-controlled processes, resulting in production delays and material waste. The PRO DM 10 is used to combine two independent 24 V DC power supplies feeding essential control circuits. When one supply drops out due to overload or internal failure, the diode module immediately isolates it while allowing the second supply to sustain operation. Its high current handling and low voltage loss help maintain stable power for controllers and sensors, enabling production lines to continue running without interruption or complex switching logic.
Process automation systems require uninterrupted control power to maintain safety, consistency, and regulatory compliance. The PRO DM 10 is commonly installed in control panels supplying I/O modules, actuators, and instrumentation. By electrically separating redundant power sources, it prevents fault propagation and reverse current when one supply is compromised. Its robust construction and wide temperature tolerance support reliable performance in environments exposed to heat, vibration, and electrical noise. This helps operators maintain stable process control and avoid unplanned shutdowns that could impact product quality or system safety.
Modern infrastructure and building automation systems depend on reliable 24 V DC power for monitoring, access control, and safety-related equipment. The PRO DM 10 provides passive redundancy that keeps controllers and communication devices powered during partial power failures. Its compact DIN-rail format allows installation in space-constrained cabinets, while high efficiency reduces thermal stress on surrounding components. This makes it suitable for long-term infrastructure projects where consistent operation, low maintenance effort, and predictable power behavior are critical for system reliability.
OEM machine builders integrate the PRO DM 10 into safety and control cabinets to reduce the risk of power-related failures. Safety PLCs, relays, and emergency stop circuits rely on continuous power to function correctly. The diode-based redundancy ensures that if one power supply fails, the remaining source continues to feed critical circuits without delay. Its fast, passive response avoids switching errors and software dependencies. Combined with strong resistance to interference and mechanical stress, the PRO DM 10 supports dependable machine operation throughout the equipment lifecycle.
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