SSR-40DA – 40A Solid State Relay

Control Voltage: 3–32V DC Load Voltage: 24–480V AC Load Current: 40A
Mounting: Panel mount Switching Type: Zero-crossing

Key Specifications:

• Input Current: ≤ 12mA
• Turn-on Voltage: ≥ 2.8V DC
• Turn-off Voltage: ≤ 1.5V DC
• Output Type: TRIAC (AC switching)
• Leakage Current (off-state): ≤ 2mA
• Voltage Drop (on-state): ≤ 1.5V AC
• Switching Time: ≤ 10ms
• Dielectric Strength:
• Input to Output: ≥ 4000V
• Input/Output to Base: ≥ 2500V
• Operating Temperature: -20°C to +80°C
• Dimensions: 57.4 × 44.8 × 28 mm
• Weight: ~135g
• Certifications: CE marked

Features:

• Optical isolation between input and output
• LED indicator for ON status
• Zero-crossing switching for reduced electrical noise
• Compact, silent, and durable design
• Requires heatsink for loads above 10A

Applications:

• PID temperature controllers (e.g., REX-C100/C700/C900)
• Heating elements and ovens
• Lighting and HVAC systems
• Motor control (up to 2HP)
• Industrial automation panels