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Siemens SIPROTEC 5 7SD82 Line Differential Protection Relay

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Technical Specifications

Main function: Differential protection for medium and high voltage lines

Interoperability: SIPROTEC 5 and SIPROTEC 4 line protection devices

Tripping: 3-pole, minimum tripping time 19 ms

Inputs/Outputs: 4 current transformers, 4 voltage transformers, 11 or 23 binary inputs, 9 or 16 binary outputs

Hardware flexibility: 2 different I/O quantity structures available in the 1/3 base module (no 1/6 expansion). Housing width available with small or large display.

Housing width: 1/3 × 19 inches

Standard: Conformal coating

Application: Line protection for all voltage levels; phase-selective protection of overhead lines and cables with single or multi-ended infeed; transformers and compensating coils in protection zone; ground fault detection; serial data communication over optical fiber, two-wire, or network media

Availability: Authorized Siemens suppliers and distributors in Mumbai and across India

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