ABB REA101-AA RLY-REA101-AAAG ARC PROTECTION

REA101-AA RLY-REA101-AAAG

ABB Bailey ARC PROTECTION

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Product Description

ABB  REA101-AA RLY-REA101-AAAG  ARC PROTECTION
The central unit REA 101 operates independently or together with extension units REA 103, REA 105 or REA 107. REA 103 is used for extending the protected area, and REA 105 is provided with fast trip outputs capable of opening, e.g., a bus coupler. REA 107 is designed for the extension of the protection area. It has inputs for eight lens type sensors. The REA 101 is provided with two output ports, to each of which a maximum of five extension units can be chained. Several REA 101 units can be connected together via optical links or via REA 105 units.

The REA 101 relay contains two communication links: Optolink 1 and Optolink 2. The SG2/1-8 switches are used to select the links to be used and the messages to be communicated between them. Each link can be programmed either as a transmitter or as a receiver. The purpose of the communication link is to communicate ON/OFF type messages between the central units over the signal transfer fibre. The message can be light, overcurrent or trip signals. Only one type of message per optolink is allowed to be transmitted between the central units. The data to be communicated depends on the system design. 

ABOUT Moore Automation

Moore Automation is a leading global supplier of control system components. We specialize in control systems and drives. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.

We currently have more than 50 million DCS card PLC modules in stock at any time.

1.Allen-Bradley(USA AB)Series 2.Schneider(Schneider Electric)Series 3.General electric(General Electric)Series 4.Westinghouse Series 5.SIEMENS Series 6.Bosch RexrothIndramat, I/O module, PLC controller, Driver Module 7.Westinghouse OVATION System, WDPF System, MAX1000 system spare parts 8.Siemens MOORE, Siemens Simatic C1, Siemens CNC system. 9.Invensys Triconex: Redundant fault-tolerant control system.

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