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Product Name: Fotek ACR-40LA – Solid State Relay (SCR Type)
Function:
Single-phase solid state relay designed for high-speed switching of AC loads. Ideal for industrial heating, motor control, and automation systems requiring silent and reliable operation.
Key Features:
- Control type: Linear control SCR
- Rated load current: 40 A
- Load voltage range: 90–250 V AC
- Input signal: 4–20 mA
- Isolation voltage: >4 kV
- Dielectric strength: >100 MΩ @ 500 VDC
- Built-in enhanced heat sink for thermal dissipation
- Overheat protection circuit (activates at 120 °C)
- High surge current and voltage resistance
- Compact module design for panel integration
Electrical Ratings:
- Input impedance: Optimized for 4–20 mA signal
- Trigger current: <10 mA
- Response time: <10 ms
- Leakage current: <2 mA
- Operating frequency: 47–63 Hz
- Ambient temperature: -20 °C to +80 °C
Applications:
- Industrial ovens and heaters
- Motor speed control
- Lighting systems
- Packaging and sealing machines
- Semiconductor and SMT equipment
Compliance & Notes:
- Conforms to EN60947-4-3 and EN60950
- RoHS compliant
- Recommended to use with proper heat dissipation and thermal paste for continuous high-current loads
Related Models:
- ACR-25LA – 25 A version
- ACR-60LA – 60 A version
- ACR-80LA – 80 A version
- ACR-F-40LA – Fuse-type variant with enhanced protection
- ACR-40DA – DC-controlled version for logic-level input systems
- LCR-F-40LA-H – High-temperature variant with extended heat sink
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