Schneider Electric DRA84000 Technical Specifications
1. General Information
Model Number: DRA84000

Product Type: Digital Relay / Protection Device

Series: Sepam 8000

Application: Medium-Voltage Electrical Network Protection

Status: Active Production

2. Protection Functions
Overcurrent Protection:

Phase (50/51, 50N/51N)

Ground (50G/51G)

Voltage Protection:

Over/Undervoltage (27/59)

Voltage Imbalance (47)

Frequency Protection (81O/U)

Motor Protection:

Thermal Overload (49)

Locked Rotor (48)

Transformer Protection:

Differential (87T)

Restricted Earth Fault (64REF)

3. Technical Parameters
Rated Voltage:

100-240V AC/DC (auxiliary)

110V/220V DC (optional)

Current Inputs:

1A or 5A (configurable)

Burden: <0.1 VA

Accuracy:

Current: ±1%

Voltage: ±0.5%

Time: ±1% of setting

4. Communication & I/O
Protocols:

IEC 61850 (Edition 2)

Modbus RTU/TCP

DNP3.0

Ports:

2× Ethernet (RJ45)

1× RS485 (serial)

Digital I/O:

8× Programmable Inputs

6× Relay Outputs

5. Display & Interface
HMI: 5.7" LCD Touchscreen

LED Indicators:

Protection tripping

Communication status

System health

6. Environmental Ratings
Operating Temperature: -25°C to +70°C

Humidity: 5-95% (non-condensing)

Vibration: 3g @ 10-150Hz

Protection Class: IP40 (front panel)

7. Certifications
Standards: IEC 60255, IEEE C37.90

EMC: IEC 61000-6 (Level 4)

Safety: UL 508, CE

8. Typical Applications
MV Switchgear Protection

Transformer Protection

Motor Protection

Generator Protection