Blog - Others

DC PowerSwitch 48V 100A

DC PowerSwitch 48V 100A

12.May 2021
| Blog - Others

DC PowerSwitch is a bidirectional solid-state relay with very low power consumption when turned on. This will ensure that it can operate for a very long time, even if the battery is almost empty. A second benefit is that it can switch bidirectional currents. This means that it can be used with devices which both can charge and discharge, like a combined charger/inverter.

Note the DC PowerSwitch does not provide a galvanic (or mechanic) disconnection. For some applications there may be a requirement for a galvanic disconnection.

Note: the DC PowerSwitch is designed for low voltage DC application bellow 60V – the typical voltage is 48V DC.

Key features:

  • Bidirectional: can switch currents flowing to and from the battery.
  • Extremely power efficient, consumes 0.8mA when turned on, much less than a normal solid state relay
  • Solid state: no arcs or sparks so safe in dangerous environments with explosive materials
  • High noise immunity. Can be used in industrial environments.
  • Powerfail safe. If the power falls away, the relay turns off
  • Integrated temperature sensor. If the unit is overloaded and gets too hot, it will switch off until the temperature is lower.
  • Able to switch 100A continuously and 200A peak for 1 minute @ 48V (62V max).
  • Simple interfacing, behaves like a normal relay.

What is the max switching voltage?
It is 62 volts DC. Do not exceed this voltage level! We suggest to stay bellow 60V.

What is the maximum current?
The maximum current is 100A continuously and 200A peak for 1 minute max.

What is the current consumption?
The PowerSwitch consumes 0.8mA when on. One of industrials lowest current consumptions for solid state relays and especially for power relays.

I have multiple loads which in total exceed the maximum current. What to do? 
If there are multiple different loads, you can split the loads. For example, put inverter 1 on PowerSwitch 1 and inverter 2 on PowerSwitch 2. You can even connect up to 3 PowerSwitches in parallel to increase the current capacity.

https://shop.gwl.eu/Battery-Management/PowerSwitch-48V-100A.html

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