Solid-State Contactors · SDA3-40
SDA3-40 Three-Phase Solid-State Contactors
SDA3-40 is a three-phase solid-state contactor for electrically controlled AC loads. Confirm load current, control input and heat-sink sizing.
Three-phase 3PST-NOOutput
40A series designationCurrent
Up to 480V AC, supplier listedVoltage
Heat sink and control input variantSelection
Product Overview
Solid-state switching avoids mechanical contact wear but creates conduction heat. The selected variant needs thermal design for cabinet ambient and switching duty.
Key Features
- Output: Three-phase 3PST-NO
- Current: 40A series designation
- Voltage: Up to 480V AC, supplier listed
- Selection: Heat sink and control input variant
Available Models / Configurations
Supplier-listed family information; confirm the exact orderable RITOKS configuration.
| Reference model / series | Function | Configuration | Ordering note |
|---|---|---|---|
| SDA3-40 | Solid-State Contactors | Three-phase 3PST-NO | Confirm exact order code and ratings |
Technical Specifications
| Reference model / family | SDA3-40 |
|---|---|
| Output | Three-phase 3PST-NO |
| Current | 40A series designation |
| Voltage | Up to 480V AC, supplier listed |
| Selection | Heat sink and control input variant |
| Exact rating and test report | Confirm against selected model documentation |
Applications
Illustrative application context; confirm the selected model and installation design.
Industrial Electrical Assemblies
Select against the circuit design and installation conditions.
Control and Distribution Systems
Match the ordered variant to the host equipment.
OEM Equipment
Confirm mechanical, electrical and document compatibility.
Information to Confirm for Selection
- Exact SDA3-40 order code and configuration
- Complete datasheet, circuit or topology diagram
- Operating ratings and test conditions
- Dimensions, mounting and connection drawing
- Sample, nameplate, MOQ, lead time and OEM documentation
FAQ
How do I select the exact configuration?
Send the reference model, circuit requirements, mounting details, quantity and destination. The orderable version and documentation will be confirmed before quotation.
Are the listed family options available in one unit?
Not necessarily. Ratings and functions depend on the exact selected version; check the model-specific datasheet.
Related Products
Request a Quote
Send the exact model, required ratings, quantity and destination. We will confirm availability and documentation before quotation.
Please include: Exact SDA3-40 order code and configuration; Complete datasheet, circuit or topology diagram; Operating ratings and test conditions.