The SSR-40DA by Fotek is a DC-to-AC solid state relay rated for up to 40A, commonly used in industrial automation and temperature control systems.

Technical Specifications

• Model: SSR-40DA
• Type: DC to AC Solid State Relay
• Input Voltage: 3–32VDC (trigger voltage range)
• Output Voltage: 24–380VAC
• Rated Load Current: 40A
• Control Type: DC input to switch AC output
• Dielectric Strength: >4KV
• Isolation Resistance: >100M at 500VDC
• Surge Protection: Built-in for high surge current and voltage
• Certifications: EN60947-4-3 and EN60950 compliant

Key Features

• Long Service Life: No mechanical contacts, reducing wear
• High Reliability: Solid-state design minimizes failure points
• Compact Size: Easy to integrate into control panels
• Overheat Protection: Internal circuit protection activates at ~120°C
• Reduced EMI: Designed to minimize electromagnetic interference