Key attributes: Capacity 10a 15a 16a 20a Current Type AC Phase Single Phase Type Adjustable Place of Origin Zhejiang, China Model Number 2166 At a glance: * Adjustable Overvoltage Range: The adjustable overvoltage range from 220 to 300V allows for precise protection, ensuring that the device can be set to match specific electrical requirements and prevent damage from voltage spikes. * Adjustable Undervoltage Range: The adjustable undervoltage range from 160 to 210V ensures that the device can be fine-tuned to maintain stable operation during low voltage conditions, protecting connected equipment from potential harm.