Details

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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

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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

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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

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Flame Current

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

• Detection Threshold:

  • Flame: Maximum 1.0μA

  • Non-flame: Minimum 0.2μA

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Key Differences Between RCF151 and RCF152:

Feature	RCF151	RCF152
Rated Voltage	AC100V	AC200V
Application Power	Lower voltage setups	Higher voltage setups
Other Specs	Identical to RCF152	Identical to RCF151

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.