Apollo 55000-400APO

The Apollo 55000-400APO is an XP95 addressable thermistor-based heat detector with A2S classification offering temperature monitoring and alarm signaling at 55°C activation threshold. The detector provides analog temperature count output proportional to external air temperature with high-immunity digital communication over standard two-wire fire alarm loops.

Key Features

• Thermistor-based heat detection with 55°C alarm threshold
• A2S classification for standard temperature monitoring
• Analog count output proportional to ambient air temperature
• Digital communication with high corruption immunity
• Addressable operation on standard two-wire fire alarm loops
• Low air flow resistance self-extinguishing polycarbonate housing
• White finish for visibility in commercial and industrial environments
• Compatible with XP95 and Discovery addressing systems

Technical Specifications

• Detection Type: Thermistor-based heat detector
• Classification: A2S (standard response heat detector)
• Alarm Temperature: 55°C with EN 54 sensitivity compliance
• Output: Analog count proportional to air temperature
• Temperature Calibration: 25±5 counts at 50°C, 55 counts at alarm threshold
• Power Supply: 17–28V DC on two-wire loop circuit
• Communication: Digital addressing with XP95 protocol
• Housing: Self-extinguishing white polycarbonate
• Applications: Commercial, industrial, financial, government, IT/telecoms, healthcare facilities

Certifications

• EN 54 compliant for European fire alarm standards
• XP95 addressable protocol compatible
• A2S heat detector classification