Schneider Electric – SSP1A150BDT – Harmony SSP1 Solid-State Relay, 50 A

The Schneider Electric SSP1A150BDT is a robust single-phase solid-state relay (SSR) from the Harmony SSP1 series, designed for panel-mount applications with superior reliability and long life. Featuring zero-voltage switching, built-in thermal pad, and 50 A capacity, this relay is ideal for controlling resistive and inductive AC loads with silent operation and high endurance—perfect for industrial automation and OEM machinery.

Key Features:

• Model: SSP1A150BDT (Harmony SSP1 series SSR)  

• Load Capacity: 50 A at 24–300 V AC; withstands up to 600 V surge  

• Control Input: 3–32 V DC; draws 10 mA @ 12 V DC; LED status indicator included  

• Switching Mode: Zero-cross switching with SCR output; response time ~0.5 power cycle  

• Thermal Management: Built-in thermal pad ensures efficient heat transfer; suitable for panel mounting  

• Terminations: Screw terminals (input 0.2–3.3 mm², output 0.5–8.26 mm²); torque specs provided  

• Electrical Specs: Off-state leakage ≤1 mA; on-state voltage drop <1.15 V; dV/dt off-state 500 V/µs  

• Protections: Type 1/2 coordination with B‑curve MCB (32/40 A); dielectric strength 4 kV; impulse withstand 6 kV  

• Environmental: Operating –40 to +80 °C, IP20; shock, vibration, pollution degree 2. Certifications: CE, UL, EAC, CSA  

• Reliability Data: MTTFd ~1875 years; B10d ~1.7 million  

• Weight: Approx. 89 g (~3.15 oz)