Solid state relays from Celduc are constructed with an input circuit, a switching circuit and an output circuit. In terms of functionality, these are not comparable to regular MOSFET relays that only have a switching circuit on board. The advantage of a Celduc solid state relay is that, in addition to much higher switching capacities, it has been tested as a whole to industry standards such as CE, UL, UKCA, EAC, etc.
Celduc's DC PCB program consists of two families:
- STD-SPD SLD
SIL and DIL through hole; in several versions: switching voltage 0-60Vdc for 2.5-5A control voltage 3-32Vdc or 12-30Vac/dc - SKLD
SIL through hole; in several versions: switching voltage 7-36Vdc for 8-10A control voltage 3-32Vdc; rear equipped with cooling plate to optionally place a slide-on cooling body or for mounting against a cooling plate if the heat management requires this
Other non-PCB versions DC solid state relay series from Celduc go up to 1700Vdc and 150A.
Determining the right relay has more variables than just current and voltage. Ambient temperature, duty cycle and the type of load influence the correct choice.
Applications that require long-term, reliable, frequent and precise switching are best off with solid state relays from Celduc.
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