I. Basic Product Information
• Model: 817S-PTC-230
• Type: Thermistor Monitoring Relay
• Function: It is used to monitor the temperature of motor coils with built-in PTC thermistors. It can reset the alarm status via external contacts or an internal button and supports fault simulation testing.
II. Key Specifications
Power Supply Specifications
• Power Input: 115/230V AC
Environmental Adaptability
• Protection Grade: IP20 (the same as that of the 813S/814S three-phase relays)
• Pollution Grade: Grade 3 (suitable for industrial environments)
Physical Dimensions
• Dimensions (Width × Height × Depth): 45 × 80 × 99.5 mm (the same as that of the 813S three-phase relay)
• Terminal Torque: Maximum 0.5 N·m
III. Functional Features
Temperature Monitoring: It monitors the temperature of motor coils in real time via PTC thermistors.
Alarm Reset: It supports resetting the alarm status via external contacts or an internal button.
Fault Simulation: The built-in test button can simulate fault conditions.
Status Indication: LED indicators display the alarm status.