Specialist of SSR and Thyristor

NEW | KSD Series Solid State Relay

KSD (037) series is a group of normally open AC output SSR, with control voltage of 15-32VDC or 4-32VDC, load voltage of 240VAC, 380VAC or 480VAC and load current of 5A;  PCB installation, optical isolation is adopted between weak current and strong current.

ksd


Main Parameters

Outline Dimension

44.5mm×10.5mm×26mm

Load Voltage

240VDC / 380VDC / 480VDC

Load Current

5A

Switching Mode

Zero crossing or Random-on

Control Voltage

15-32VDC / 4-32VDC

Inrush Current

250A(10 ms)

Dielectric Strength

4000Vrms


Product highlights

  • SCR Output

  • Internal RC

  • PCB Installation

  • Dielectric Strength: 4000Vrms

  • Wide control voltage design, compatible with 5VDC control, 12VDC control and 24VDC control


Application

Suitable for light control, motor control, solenoid valve, etc.


Application Example

In the electronic control system of textile machinery, 3pcs of KSD480D5R-W (037) are used to control the three-phase exhaust motor, which takes the advantages of KSD as a small volume, a long switching life, with complete safety certification and high reliability.


For the load application of 380VAC motor, we recommend that the motor power is less than 750W, and random-on switching mode is recommended. At the same time, 750V varistors are connected in parallel at SSR output terminal for overvoltage protection to ensure long-term application reliability.

Normally open AC SSR


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