Industrial-Grade Three-Phase Solid-State Relay with Heat Sink
- Fast switching speed and sensitive response.
- No mechanical contacts, no electric arc, long service life.
- Optocoupler isolation with vibration and shock resistance.
- Semiconductor control, noiseless switching.
- High withstand voltage and strong surge capability.
- CE-Certified Durability.
Product Overview & Applications:
This three-phase solid-state relay is specifically designed for three-phase heating equipment and is compatible with heating elements constructed from a variety of materials, including metal, ceramics, and PTFE (Polytetrafluoroethylene).
This solid-state relay integrates seamlessly with PID temperature controllers and heating units to facilitate the precise temperature regulation required within thermal control systems.
This three-phase solid-state relay supports two control modes: Zero-Crossing Triggering and Random Turn-on. For heating applications, the Zero-Crossing mode is generally preferred as it facilitates noise-free operation; conversely, the Random Turn-on mode offers the advantages of faster response speeds and higher control precision.
Given the relay’s high rated current, we also offer a comprehensive range of complementary accessories—including heat sinks, cooling fans, over-temperature protectors, and terminal blocks—to effectively extend the relay’s service life. It is crucial to note that for such high-power solid-state relays, the implementation of forced-air cooling measures is absolutely essential.
Solid-state relays have gained widespread adoption and application across various fields, including hazardous and explosion-proof environments, lighting control systems, electromechanical automation control, and medical equipment.
Model Description:
1. LC ：Enterprise code
2. 1600 ：Load peak voltage range 24-1600VAC
3. 120 ：Available load current ratings 60/80/100/120/150/180/200/250/300/350/400 A
4. DA ：DC control AC / AA:AC control AC
5. Z : Zero-crossing switching / P: Random turn-on (phase control)
Technical Parameters
Product Specifications | |||
| Model: | LC-1600-口DAZ | LC-1600-口AAZ | LC-1600-口DAP |
| Control： | DC Control AC | AC Control AC | DC Control AC Random |
| Load Current： | 60A/80A/100A/120A/150A/180A/200A/250A/300A/350A/400A | ||
| Input Voltage： | 3-32VDC | 70-280VAC | 3-32VDC |
| Max Input Current： | 12mA | 15mA | 12mA |
| Must Operation Voltage： | 3V | 70VAC | 3VDC |
| Must Release Voltage： | 1.5VDC | 20VAC | 1.5VDC |
| Output Voltage： | 24-1600VAC | ||
| Certificates： | CE | ||
| Operation Temperature： | -30°C to 80°C | ||
| Max Off-State Leakage Current： | ≤2mA | ||
| Max On-State Voltage Drop： | ≤1.5V | ||
| On Off Time： | ≤10ms | ||
| Insulation Resistance： | 1000MΩ | ||
| Dielectric Strength： | 2500V | ||
| Peak Voltage： | 1600V | ||
Precautions
1. When selecting a Solid State Relay (SSR), please take into account the actual load current and the operating ambient temperature.
2. Please properly tighten the terminal screws of the Solid State Relay.
3. Do not use this relay under conditions that exceed the parameters listed in the product datasheet.
4.If you wish to perform a test, you need to connect a load to the solid-state relay.