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The YR40.482 MOSFET redundancy module provides robust and efficient redundancy for medium- to high-current DC power systems. Designed for demanding industrial environments, it supports two independent 20 A inputs and delivers a stable 40 A output, ensuring uninterrupted operation in 1+1 or N+1 power configurations.
Instead of traditional diodes, the module uses high-efficiency MOSFET technology, resulting in extremely low voltage drop and reduced heat generation. This leads to higher system efficiency and longer component life. The unit operates over a wide 24–56 V DC input range, features a rugged metal housing, and mounts easily on a 46 mm DIN-rail footprint. With an operating temperature range from –40 °C to +70 °C and built-in protection features such as reverse-polarity protection, the YR40.482 is ideal for automation, control systems, and mission-critical installations requiring maximum power reliability.
| Category | Specification |
|---|---|
| Product Type | MOSFET Redundancy Module |
| Model | YR40.482 |
| Input Voltage Range | 24 – 56 V DC |
| Input Current | 2 × 20 A |
| Nominal Current per Input | 20 A |
| Output Current (Continuous) | 40 A |
| Peak / Short-Circuit Output Current | Up to 45 A |
| Peak Load Capability | Up to 160% (short duration) |
| Voltage Drop (typ.) | ~60 mV at 20 A |
| Power Loss (typ. at 20 A) | ~1.8 W |
| Power Loss (at 40 A) | ~5.4 W |
| No-load Losses (typ.) | ~0.62 W |
| Derating Above +60 °C | ~1 W per °C |
| Mounting Method | DIN-rail (35 mm) |
| Connection Method | Screw terminals, negative-pole distribution terminal |
| Housing Material | Metal |
| DIN-rail Width | 46 mm |
| Dimensions (W × H × D) | 46 × 124 × 127 mm |
| Weight | 360 g |
| Operating Temperature Range | –40 °C to +70 °C |
| Protection Features | MOSFET-based decoupling, reverse input-polarity protection |
| Applications | Redundant 1+1 or N+1 power systems, industrial automation, control equipment, marine and harsh environments |