The SSR-40DA is a single-phase solid-state relay designed for industrial automation and household energy management. It features a solid-state design with no mechanical contacts for an exceptionally long service life and is suitable for high-frequency operating scenarios. With an input voltage range of 3-32V DC and an output voltage of 24-380V AC, it can be easily adapted to a wide range of controllers and power devices. With its high load capacity of 40A, the SSR-40DA is capable of controlling high-power devices such as heaters, temperature controllers, motors, etc., which are widely used in industrial automation, temperature control and power distribution. The relay housing is made of high-quality materials with excellent heat resistance and electrical insulation to ensure stable operation under high loads and in harsh environments.

Parameters:

Input voltage: 3-32V DC

Output voltage: 24-380V AC

Output current: 40A

Control mode: DC to AC

Installation mode: Screw mounting

Switch-off time: <10ms

Leakage current when switched off: <2mA

Operating temperature: -30°C to +75°C

Troubleshooting:

The relay is not working:

1. Check whether the control voltage is within the range of 3-32V DC.

2. Check whether the input and output wiring is correct.

The load does not respond:

1. Check whether the load is working normally and ensure that the load voltage and current are within the rated range of the relay.

2. Check whether the relay output wiring is correct.

Relay overheats:

1. Check whether heat dissipation is good; add a heat sink or fan if necessary.

2. Check whether the load current exceeds the rated current of the relay.

Specification:

Size: 6 x 4.5 x 2.2 cm / 2.3 x 1.7 x 0.8 inches (L x W x H)

Product included:

1 x SSR-40DA solid state relay