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Solid state relays (SSRs) feature a compact size, low input power consumption, contactless operation, no sparks, no noise, no mechanical wear, excellent vibration resistance, and an exceptionally long service life. SSR has a small control signal that controls a larger load current or voltage. It consists of a sensor which responds to an appropriate input (control signal), a solid-state electronic switching device which switches power to the load circuitry, and some coupling mechanism to enable the control signal to activate this switch without mechanical parts. Solid state relays (SSRs) should be installed in a well-ventilated location away from heat sources. If the ambient temperature is excessively high or heat dissipation conditions are poor, the operating current margin should be increased to ensure uniform and effective heat dissipation for the solid state relay.
Product Advantage |
1. Ultra-Long Service Life & Maintenance-Free
Our solid state relays adopt fully contactless solid-state design, with no mechanical contacts or moving parts. They completely eliminate wear, sparking and noise during operation. The service life can reach more than87,600 hours, and the electrical switching life exceeds 50 million times, greatly reducing replacement and maintenance costs compared with traditional electromagnetic relays.
2. High Sensitivity & Low Power Consumption
The SSR only needs a weak control signal (generally 3–32V DC) to drive and control high-power loads, with input power consumption as low as less than 100mW. It features excellent isolation performance and high control sensitivity, making it perfectly compatible with PLC, single-chip microcomputer and other weak current control systems without additional drive circuits.
Technical Parameters |
Product model | SSR | |
Control voltage | 3-32VDC | 80-250VAC |
Control current | 6-25mA | 5-25mA |
Guarantee close voltage | 1VDC | 30VAC |
Guarantee open voltage | 3VDC | 80VAC |
Load voltage | 24-240VAC 75-480VAC | |
Load max current | 5A-75A | |
Load mini current | 0.08A | |
Breakover voltage | ≤1.6VAC | |
Output leakage current | ≤5mA | |
Medium withstand voltage | ≥2500VAC | |
Insulating resistance | ≥100MΩ | |
Switching time | ≤10mS | |
Frequency | 50-60Hz | |
Load current safety factor | Resistive load 50-60% | |
Inductive load 30-40% | ||
FAQ |
Q: How do you ensure that the product quality meets the standards?
A: Each product export will go through Visual & Dimensional Inspection, Temperature Rise Test, Mechanical Operation Test, Sealing Test, Vibration Test, Shock Test and striker Test.
Q: Why should I choose your company?
A: Superior quality, low price, professional technical team, rich experience, timely delivery time, excellent after-sales service, and good reputation.
Q: How long will it take for me to receive the quotation?
A: For customized products, we will provide a quotation within 48 hours after you provide the required product details, as we need time to calculate costs, but we will provide a quotation as soon as possible.
Q: Our products and packaging can be printed customer's brand?
A: Yes, just need customer's certification of distribution.
Q: We only need some products inner parts/components, could you sell that?
A: Yes, we can.
