Siemens SIPROTEC 5 7SA82 Distance Protection Relay
The Siemens SIPROTEC 5 7SA82 Distance Protection Relay is a high-performance relay designed for precise feeder and line protection in medium- and high-voltage systems. With 4 current and 4 voltage inputs, 3-pole tripping, and fast response (minimum 19 ms), it ensures reliable fault detection and maximum system safety. Ideal for industrial facilities, utilities, and infrastructure applications
Technical Specifications
Main Function: Distance protection for medium- and high-voltage systems
Tripping: 3-pole, minimum tripping time 19 ms
Inputs and Outputs:
4 current transformers
4 voltage transformers (optional)
11 or 23 binary inputs
9 or 16 binary outputs
Hardware:
Modular SIPROTEC 5 platform
1/3 × 19-inch housing, available with large or small display
Conformal coating as standard
Functions:
6-system distance protection
Directional backup protection
Reactance and impedance methods
DIGSI 5 configuration and automation
Benefits:
Reliable Siemens technology
Fast fault detection and isolation
Seamless integration with SIPROTEC 4
Ideal for new or retrofit installations
Tripping: 3-pole, minimum tripping time 19 ms
Inputs and Outputs:
4 current transformers
4 voltage transformers (optional)
11 or 23 binary inputs
9 or 16 binary outputs
Hardware:
Modular SIPROTEC 5 platform
1/3 × 19-inch housing, available with large or small display
Conformal coating as standard
Functions:
6-system distance protection
Directional backup protection
Reactance and impedance methods
DIGSI 5 configuration and automation
Benefits:
Reliable Siemens technology
Fast fault detection and isolation
Seamless integration with SIPROTEC 4
Ideal for new or retrofit installations
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