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General| Brand | Siemens |
|---|---|
| Model | SIPROTEC 7XR81 |
| Category | Power distribution unit |
| Language | English |
Details on commissioning, operation, and technical data of SIPROTEC Coupling Units for Generator Protection.
Identifies protection system engineers, commissioning engineers, and operational crew as the intended readers.
Defines the manual's applicability to SIPROTEC Coupling Units for Generator Protection: 7XR81, 7XR87, 7XR86, 7XR8004.
States compliance with European directives (EMC, Low Voltage) and harmonized standards.
Provides contact information for customer support and training center inquiries.
Explains safety icons (DANGER, WARNING, CAUTION, NOTICE, NOTE) and definitions for personnel.
Defines who is qualified to commission and operate the equipment based on technical qualifications.
Outlines correct usage, transport, storage, installation, and maintenance for safe operation.
Provides a table to determine the correct order number (MLFB) based on configuration options.
Illustrates the internal circuit connections and components of the 7XR81 coupling device.
Provides essential recommendations for grounding, terminal usage, and cable selection for the 7XR81.
Details the physical characteristics and build of the 7XR81 unit.
Presents dimensional drawings for surface and flush mounting configurations of the 7XR81.
Shows typical wiring diagrams for connecting the 7XR81 to a generator and protection relay.
Lists key specifications including auxiliary voltage, output ratings, load capability, and weight.
Specifies standards and test procedures for insulation, safety, and EMC immunity.
Details vibration, shock, and seismic test specifications for stationary use and transport.
Defines operating and storage limits for temperature, humidity, and atmospheric pressure.
Specifies the ingress protection ratings for the equipment and personal safety.
Provides a table for selecting the correct order number (MLFB) based on housing options.
Illustrates the internal circuit configuration of the 7XR8004 resistor coupling unit.
Offers recommendations for grounding, terminal connections, and cable types for the 7XR8004.
Describes the mechanical structure and physical build of the 7XR8004 unit.
Presents dimensional drawings for the panel surface mounting of the 7XR8004.
Lists key specifications such as voltage, power dissipation, and weight for the 7XR8004.
Specifies standards and test procedures for installation, insulation, safety, and EMC.
Refers to 7XR81 mechanical tests, indicating similar requirements for the 7XR8004.
Defines the operating and storage limits for temperature and humidity.
Specifies the ingress protection ratings (IP30 for equipment, IP3x for personal).
Provides a table to select the correct order number (MLFB) for the 7XR86 housing.
Illustrates the internal circuit configuration and voltage divider ratios (5:1, 5:2) of the 7XR86.
References 7XR8004 connection notes and shows a specific connection example for the 7XR86.
States that construction properties are identical to the 7XR8004.
Lists key specifications including voltage capability, output power, and weight for the 7XR86.
Details standards and test procedures for installation, insulation, safety, and EMC immunity.
Refers to 7XR81 mechanical tests, indicating similar requirements for the 7XR86.
Defines the operating and storage limits for temperature, humidity, and altitude.
Specifies the ingress protection ratings (IP30 for equipment, IP3x for personal).
Provides a table to select the correct order number (MLFB) for housing options.
Illustrates the internal circuit configuration and voltage divider ratios of the 7XR87.
Explains connection options for different divider ratios, terminal C, and terminals A/B.
Details the mechanical structure and physical build of the 7XR87 unit.
Lists key specifications including voltage limits, power dissipation, and weight for the 7XR87.
Specifies standards and test procedures for insulation, safety, and EMC immunity.
Refers to 7XR81 mechanical tests, indicating similar requirements for the 7XR87.
Defines operating and storage limits for temperature, humidity, and altitude.
Specifies the ingress protection ratings (IP20 for equipment, IP2x for personal).
Provides instructions for checking packaging and inspecting devices upon receipt.
Outlines steps for commissioning and installation, including safety precautions.
Recommends conditions for clean, dry storage and specific temperature/humidity ranges.
Details how to pack devices for storage or transport, including accessory handling.
Explains procedures for returning defective devices, including terminal management.
Provides guidance on proper disposal of old equipment and batteries according to regulations.
