Specifications

Model: RCF151 / RCF152
Rated Voltage:

• RCF151: AC100V (85–110%)

• RCF152: AC200V (85–110%)

Frequency: 50/60Hz
Power Consumption: 7VA
Contact Capacity of Devices:

• Terminal ① (Main Valve): 100VA

• Terminal ⑤ (Pilot Valve): 100VA

• Terminal ⑨ (Ignition Transformer): 250VA

• Terminal ⑧ (Alarm): 75VA

Allowable Ambient Temperature: -20°C to +60°C
Allowable Ambient Humidity: 35% – 90% RH (at ambient temperature of 40°C)
Withstand Voltage:

• Between each terminal (excluding ④ & ⑥) and ground: AC1500V for 1 min or AC1800V for 1s
  Insulation Resistance:

• 50 MΩ or more (with DC500V Megger)
  Lightning Surge Immunity: 3kV 1.2/50μs (IEC61000-4-5)
  Mounting Direction: Reset button faces upwards or sideways
  Mass: Approx. 395g

Application

For gas-fired combustion equipment with a combustion rate up to 175 kW/h or less (batch operation type).

Flame Detector Type: Flame Rod Detector

Sequence Timing

• Pre-purge: 15 ±1 sec

• Ignition Trial: 4 ±1 sec

• Post-ignition: 1 ±1 sec

• Lockout: 15 ±1 sec

• Flame Response: 1 sec

Flame Current

• Normal Combustion: 2–6μA (between flame rod and terminal ④)

• Detection Threshold:

  • Flame: Maximum 1.0μA

  • Non-flame: Minimum 0.2μA

Key Differences Between RCF151 and RCF152:

Both models offer the same control logic, safety features, and operation sequences—only the rated voltage differs, allowing users to select based on their specific electrical setup.