What is EN50155 certification ?

EN50155 is the standard applicable to any low voltage electronic equipment installed in railway vehicles. The tests include: environmental adaptability test, electromagnetic compatibility test, safety and performance test. In the environmental adaptability test, the module must comply with the ambient temperature in the table below and be able to operate normally under the conditions; In the safety and performance test, the module needs to maintain normal operation after being impacted by vibration, so that it can pass the certification. POWERGOOD's power modules can operate at -45°C~115°C. Because our modules are fully potted, they can achieve good insulation, shock resistance, vibration resistance, and waterproof .......

What is the appearance difference between POWERGOOD and V-Brand ?

Since POWERGOOD and V-Brand use different materials for package selection, V-Brand uses plastic case and POWERGOOD uses metal case, POWERGOOD's module will be slightly larger than V-Brand's module in appearance.