产品信息性能描述Sepam 20系列产品是一种微机保护装置，用于中低压配电系统的电流或电压保护Sepam 20 系列继电保护
选型：
> Sepam 20系列包括五种类型，和应用场合一一对应
特点：
> 4个电流输入或者4个电压输入
> 10个逻辑输入
> 8个继电器输出
> 1个Modbus通讯口
> 8个温度传感器输入优势
安全可靠，品质保证
> 超过20年的产品经验
> 针对应用设计的具有连贯性的保护系列
Sepam 20系列产品为普通型应用提供简单实用方案应用范围三种电流保护应用：
> S20：变电站进出线保护
> T20：变压器保护
> M20：电动机保护
两种电压保护应用：
> B21：母线保护
> B22：掉电保护
英文说明Performance Description
Sepam 20 series is a microprocessor based protection device, used in low voltage distribution system of current or voltage protection
Selection:
> Sepam 20 series includes five types, and applications correspond to
Features:
> 4 current input or voltage input 4
> 10 logic inputs
> 8 relay outputs
> 1 Modbus communication port
> 8 temperature sensor inputs Superiority
Safe and reliable, quality assurance
> More than 20 years of product experience
> Application designed for the protection of a coherent series of
Sepam 20 series of products for general applications to provide simple and practical program
Applications
Application of three current protection:
> S20: substation inlet and outlet protection
> T20: transformer protection
> M20: motor protection
Application of two voltage protection:
> B21: busbar protection
> B22: Power-down protection