
Product Description
Product Details
Item |
Description |
---|---|
Manufacturer |
MEAN WELL |
Model/Part Number |
DRDN20-24 |
Description |
Redundancy Module for DC Voltage Systems |
Specifications
Category |
Details |
---|---|
Input Voltage Range |
19–29Vdc |
Number of Inputs |
2 Channels |
Rated Current |
0–10A × 2 inputs (continuous), 0–20A × 1 input (continuous) |
Peak Current |
30A (max, 5 seconds) |
Voltage Drop (Vin–Vout) |
Max. 0.25V |
Efficiency (Typical) |
98% |
Input Reverse Current |
Max. 1mA |
Input Reverse Voltage |
Max. 40Vdc |
Relay Rating |
30Vdc / 1A (resistive load) |
Capacitance (Typical) |
320µF |
Standby Power Losses |
1.5W |
Cooling Method |
Free air convection |
Protection
Item |
Details |
---|---|
Overload |
<30A, 5 sec, no damage |
Short Circuit |
Protected |
Input Reverse Current |
Max. 1mA |
Withstand Voltage |
IP/OP-Chassis, IP/OP-Relay, Relay-Chassis: 0.5kVac |
Isolation Resistance |
>100MΩ / 500Vdc at 25°C, 70% RH |
Environment
Item |
Details |
---|---|
Operating Temperature |
–40°C ~ +80°C (refer to derating curve) |
Storage Temperature |
–40°C ~ +85°C |
Humidity |
5–95% RH (non-condensing) |
Temperature Coefficient |
±0.03%/°C (0–60°C) |
Vibration |
10–500Hz, 5G, 10min./cycle, 60min. each along X, Y, Z axes (IEC61373 compliant) |
Operating Altitude |
5000 meters (OVC II) |
MTBF |
611.82K hrs (Telcordia SR-332) / 353.67K hrs (MIL-HDBK-217F, 25°C) |
EMC and Safety
Item |
Standard |
---|---|
Safety |
IEC62368-1, UL62368-1, EAC TP TC 004 |
EMC Emission |
EN55032 (CISPR32) Class B |
EMC Immunity |
EN55035, EN61000-6-2, EN55024 |
ESD |
EN61000-4-2 (Level 4: 15kV air, Level 3: 8kV contact) |
Radiated Susceptibility |
EN61000-4-3 (Level 3: 10V/m) |
EFT / Burst |
EN61000-4-4 (Level 3: 2kV) |
Surge |
EN61000-4-5 (Level 3: 1kV Line-Line, Level 3: 2kV Line-Line-Chassis) |
Conducted Immunity |
EN61000-4-6 (Level 3: 10V) |
Magnetic Field Immunity |
EN61000-4-8 (Level 4: 30A/m) |
Features
Feature |
Details |
---|---|
Function |
Redundancy for 1+1 or N+1 setups |
LED Status Display |
Green LED: OK |
Alarm Function |
Both Inputs Voltage Alarm: >8.5V or <14.7V (12V system) >18V or <31V (24V system) >34.2V or <63V (48V system) |