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7SJ6222-4EB32-1RH0

The Siemens 7SJ6222-4EB32-1RH0 is a multi-functional numerical protection relay from the SIPROTEC Compact series, designed for comprehensive protection, control, and monitoring of electrical equipment in power distribution systems. This advanced relay combines protection functions, measurement capabilities, and communication interfaces in a compact design.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Specifications
Protection Functions

Overcurrent protection (definite/IDMT time characteristics)

Earth fault protection (directional/non-directional)

Short-circuit protection

Thermal overload protection

Under/over voltage protection

Under/over frequency protection

Measurement Capabilities

True RMS current and voltage measurement

Power measurements (kW, kVAR, kVA)

Energy metering (kWh, kVARh)

Power factor measurement

Frequency measurement

Communication Interfaces

Ethernet port: 10/100Mbit for IEC 61850 communication

Serial interface: RS485 for Modbus RTU

Optional protocols: PROFIBUS DP, DNP3.0

Technical Parameters

Rated Current Input: 1A or 5A (configurable)

Rated Voltage Input: 100/110/120V (phase), 100/110/120V or 57.7V (auxiliary)

Power Supply: 24-250V DC/AC (wide range)

Operating Temperature: -25°C to +70°C

Protection Degree: IP40 (front panel), IP20 (terminals)

Display & Control

Graphical LCD display with backlight

Intuitive menu navigation

Local control via front panel buttons

Event recording with time stamp (1000 events)

Standards Compliance

IEC 60255 series (Measuring relays and protection equipment)

IEC 61850 (Communication networks and systems)

UL 508 (Industrial control equipment)

CE marked

Typical Applications
Industrial plant power distribution

Utility substations

Renewable energy systems

Motor protection in heavy industries

Transformer protection