857 保护继电器 - 上海艾友自动化科技有限公司

857 保护继电器

Bulletin 857 电机-馈电保护、中压在一个包装中为当今的电机和馈电保护要求提供了解决方案。保护继电器为您提供了灵活的控制，从而可以最大程度发挥电机的输出能力，并提供了电流、电压和电机保护功能。保护继电器可以集成到低压或中压电机控制中心，也可以作为 OEM 组件购买。使用捆绑的 SetPointPS 软件可以配置这些继电器。

产品特性

◾提供全数字式信号处理

◾采用强大的 16 位微处理器

◾在所有设置范围都可实现高测量精度

◾保护功能的设置范围较宽，灵敏度可达 0.5%

◾可灵活控制与阻止

◾可针对各种子站和报警系统进行调整

◾包括 SetPointPS 组态软件

产品选型

Catalog Number	Description
857-3C6AAD	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has TTL/RS-232 (VCM TTL) COM Port 2 has RS-485 interface (2-wire, 857-VCM 485-2)
857-3C6AAL	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has TTL/RS-232 (VCM TTL) COM Port 2 has Built in RJ45 10-Mbps Ethernet Interface
857-3C6AAM	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has TTL/RS-232 (VCM TTL) COM Port 2 has Built in RJ45 10-Mbps Ethernet Interface inc. IEC 61850
857-3C6AED	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has Glass/Glass dual serial fiber interface for 857-RAD (857-VCMFIBRE GG) COM Port 2 has RS-485 interface (2-wire, 857-VCM 485-2)
857-3C6AEL	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has Glass/Glass dual serial fiber interface for 857-RAD (857-VCMFIBRE GG) COM Port 2 has Built in RJ45 10-Mbps Ethernet Interface
857-3C6AEM	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has Glass/Glass dual serial fiber interface for 857-RAD (857-VCMFIBRE GG) COM Port 2 has Built in RJ45 10-Mbps Ethernet Interface inc. IEC 61850
857-3C6AND	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has RTD glass fiber interface for 857-RAA (857-VCMRTD) has COM Port 2 has RS-485 interface (2-wire, 857-VCM 485-2)
857-3C6ANL	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has RTD glass fiber interface for 857-RAA (857-VCMRTD) has COM Port 2 has Built in RJ45 10-Mbps Ethernet Interface
857-3C6ANM	Bulletin 857 Motor/Feeder Protection Relay, 40...265Vac/dc Supply Voltage, COM Port 1 has RTD glass fiber interface for 857-RAA (857-VCMRTD) has COM Port 2 has Built in RJ45 10-Mbps Ethernet Interface inc. IEC 61850