The Fotek TSR-40DA is a three-phase DC-to-AC solid state relay rated for 40A
The Fotek TSR-40DA is a three-phase DC-to-AC solid state relay rated for 40A, designed for industrial applications requiring high reliability and fast switching.
Technical Specifications
Model: TSR-40DA
Type: Three-phase solid state relay (SSR)
Input Voltage: 4–32VDC (control signal)
Output Voltage: 24–380VAC
Rated Load Current: 40A
Control Method: Zero-cross switching
Dielectric Strength: >4KV
Isolation Resistance: >100M at 500VDC
Overheat Protection: Internal circuit activates at ~120°C
Surge Protection: Withstands high surge current and voltage
Certifications: Complies with EN60947-4-3 and EN60950 standards
Key Features
Solid-State Design: No mechanical contacts, ensuring longer life and silent operation
Three-Phase Control: Suitable for high-power loads like motors, heaters, and industrial equipment
Compact and Durable: Designed for panel mounting with robust insulation
Fast Switching: Ideal for automation systems requiring rapid response