Fotek SSR

Advantages

• Brute force power
• Low cost
• Standard part
• Input voltage from 3-32 DC, can be driven from transistor logic level and up
• Can be driven with PWM level, but not too high frequency
• Part does not depreciate for a long time, ulike mechanical relays

Disadvantages

• Cheapo clones may not give ~1/2 stated power, so verify if you have required power.

Sourcing

• $6.50 on Amazon - [1]