Single Phase Solid State Relay 250V SSR-X-DA (X-A) Solid State Relay (DC Control AC)
- Product SKU: KG618
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Warehouse Details
Specification
Description
A Single Phase Solid State Relay (SSR) is an electronic switching device that can control an AC (alternating current) load using a low-voltage DC (direct current) control signal. The SSR-X-DA (X-A) is a specific model of SSR designed for this purpose.Here are the key features SSR:
Input Voltage (DC Control): The SSR-X-DA is designed to be controlled by a DC voltage signal. This control voltage is typically lower in voltage compared to the AC load it is switching. Common control voltages include 3V DC, 5V DC, 12V DC, or 24V DC, depending on the specific model.Output Voltage (AC Load): It can switch AC loads and the output voltage rating is usually specified (e.g., 250V AC). The current-carrying capacity or current rating varies depending on the specific model and is often specified in amperes (A).
Zero-Crossing Detection: Many SSRs, including the SSR-X-DA series, feature zero-crossing detection. This means they turn on the AC load only when the AC voltage waveform crosses the zero voltage point. This reduces the chances of voltage spikes and minimizes electromagnetic interference (EMI).
Isolation: SSRs typically provide electrical isolation between the control input and the load output. This isolation helps protect the control circuitry from the high-voltage load and enhances safety.
Long Service Life: SSRs have no mechanical parts (such as relays or switches) that wear out, which contributes to long service life.
How it Works:
Control Signal Input: You apply a DC control voltage to the input terminals of the SSR. This control voltage is typically provided by a microcontroller, PLC (Programmable Logic Controller), or other electronic control circuitry.Switching Operation: When the DC control voltage is applied and reaches the specified activation threshold, the SSR turns on. It allows the flow of AC current to the load connected to its output terminals.
Zero-Crossing Detection: Many SSRs, including this one, have zero-crossing detection. They wait for the AC voltage waveform to cross the zero voltage point (i.e., when it does not carry any current) before turning on. This minimizes electrical noise and reduces wear on the switching components.
Load Control: The SSR-X-DA controls the AC load based on the DC control signal. When the control signal is active, the AC load receives power, and when the control signal is deactivated, the AC load is turned off.
Applications
- Temperature control systems
- Lighting control
- Motor control
- Industrial automation
- Heating systems
- HVAC (Heating, Ventilation, and Air Conditioning)
- Power distribution
- Photovoltaic (PV) solar inverters
Technical Details of Solid State Relay
- Model: SSR-XDA
- Load Voltage: 24-380VDC
- Control Voltage: 3-32VDC
- On Voltage: ≤1.5V
- Off Leakage Current: ≤2mA
- On-off time: ≤10mS
- Dielectric Strength: 2500VAC
- Insulation Resistance: 1000MΩ/500VDC
- Ambient Temperature : -30~+75°C
- Mounting Methods: Bolt Fixing
- Working Station Indicator: LED
Connections
Physical Attributes
- Material: ABS
- L x W x H (mm): 62 x 45 x 24
- Weight (gm): 100
Features of solid-state relay
- Long service life and high reliability
- Reduced electromagnetic interference
- Highly reliable, compact size designed to offer users maximum simplicity.
Product Video
Package Include
- 1 x Single Phase Solid State Relay 250V SSR-X-DA (X-A) Solid State Relay (DC Control AC)