The EARU SSR-40AA is a single-phase, AC-to-AC solid state relay with a 40A load capacity, used for reliable non-contact switching in industrial and home automation systems. It is widely available for purchase online.
Specifications
According to various merchant and manufacturer websites, the specifications for the SSR-40AA are as follows:
- Control Voltage Range: 80-250 VAC
- Load Voltage Range: 24-380 VAC
- Maximum Load Current: 40 Amps
- Control Method: Zero Cross Trigger method, which helps reduce electromagnetic interference
- Response Time: Fast switching, with on-time typically less than 10ms
- Isolation: Features photo-electric isolation with a dielectric strength of 4000V between input and output
- Dimensions: Approximately 60mm x 45mm x 23mm
- Mounting Style: Panel or DIN Rail mount (with appropriate accessories)
- Features: LED indicator for real-time working status and a transparent protective cover
- Heat Dissipation: Requires a separate heat sink (and thermal grease) for loads over 10A to ensure optimal performance and longevity
