Diode redundancy module
24V, 20A

  • Redundancy module for building redundant systems
  • Two 10A inputs, one 20A output
  • Only 0.85V voltage drop between input and output under full load
  • Full output current between -40 and +60°C
  • Quick-connect spring-clamp terminals
  • Reverse polarity protected input

Output 12-48Vdc
Input DC 12V-48V
Size (WxHxD) 32 x 124 x 102mm
Weight 290g
Order information Stock Item 
Product Description
The YR2.DIODE is a redundancy module, which can be used to build 1+1 and N+1 redundant systems. It is equipped with two input channels, which can be connected to power supplies with up to 10A output current and one output which can carry nominal currents up to 20A. The module is suitable for power supplies with constant current overload behaviour as well as any kind of “Hiccup” overload behaviour. The YR2.DIODE is the perfect solution to use in a redundant system, if the power supply itself is equipped with a DC-OK signal (e.g.: DIMENSION Q-series). Besides the YR2.DIODE, the YRM2.DIODE is available which has a monitoring circuitry included. LEDs and relay contacts signal when one of the two DC-input voltages is not in range due to a non-functioning power supply. Another interesting application for this diode module is the separation of sensitive loads from non-sensitive loads. This avoids the distortion of the power quality for the sensitive loads which can cause controller failures. Unique quick-connect spring clamp terminals allow a safe and fast installation, and a large international approval package for a variety of applications makes this unit suitable for nearly every situation.
Technical Data
Input Data
Input Current 2*10A
Nominal Current Per Input 10A
DC-Input Voltage DC 12V-48V
Voltage Drop800mV (H2)
Output Data
Output Current 20A
Output Current Range 20A (F2)
Output Current Short circuit max.25.0A (G2)
Size (WxHxD) 32mm x 124mm x 102mm
Weight per Piece (excluding packing) 290g
Operat. Temperature Range-40°C ... +70°C
Derating0.5W/° at >+60°C
Mounting Method Din-Rail
Power Losses, typ.8.0W
Power Losses no Load0W
MTBF SN 29500 @ 40°C (h)47.000.000h
Connection methodspring clamp terminals
F2) 50% higher currents are allowed up to 5s
G2) Current at voltage <6V
H2) 1+1 -redundancy (=50% of the nominal current) and symmetrical input currents
Commercial Information
Article Number YR2.DIODE
UPC Code 875404000716
Country of origin CZ
Order information Stock Item 
E Classification eClass 5.1 27242213
eClass 6.x 27049005
eClass 7.x 27049005
eClass 8.0 27210902
eClass 9.0 27040701
ETIM 4.0 EC000599
ETIM 5.0 EC002540
HS Code HS 85044082
Warranty Period (Month) 36
Packaging Unit 1pc
Accessories / Complementary Units
Wall / panel mount bracket ZM1.WALL
Side mounting bracket ZM11.SIDE
Adapter for Siemens S7-300 rail SLZ10