Specialist of SSR and Thyristor

NEW | KSIA Series Single Phase Intellectual SSR

KSIA series single-phase intellectual solid state relay adopts SCR inverse parallel structure internally, and has the functions of SCR short circuit, open circuit detection and load disconnection detection. Photoelectric isolation is adopted between input and output, with built-in resistance capacitance and pressure-sensitive protection.


Main Parameters


KSIA

Outline Dimension

58.5mm×45.5mm×32.5mm

Load Voltage

240VAC / 480VAC / 600VAC

Control Mode

DC Control

Load Current

25A~100A

Trigger Mode

Positive Trigger or Negative Trigger


Product Highlights

  • Zero-crossing Switching

  • SCR Inverse Parallel Output

  • Internal RC/MOV Protection Circuit

  • SCR Short Circuit, Open Circuit and Load Disconnection Inspection Functions




Application

Suitable for all kinds of industrial applications; suitable for applications with high medical requirements, such as incubators.


Application Example

Application example of KSIA in the heating control of medical incubator.

The application wiring diagram is as follows: the product controls the heating of the incubator. In addition to the conventional SSR function, it can self detect its own load state and output fault alarm to provide better protection for customers; 

When the fuse is blown, the load is open, the internal SCR of KSIA is short circuited or open circuited, the alarm signal is output through the fault alarm I/O.

ksia




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