Description
he Context Plus Series 65A Heat Detector is a reliable and flame-retardant emergency detection device designed to provide early warning of fire hazards in environments where smoke detectors may not be suitable. Built with a dual thermistor network, this advanced detector continuously monitors the surrounding air temperature and delivers a precise voltage output proportional to changes in heat.
Its durable construction, flashing LED indicator, and optional magnet-operated test switch make it a trusted choice for both commercial and industrial safety applications.
Key Features
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🔥 Accurate Heat Detection – Uses dual thermistor technology for precise temperature monitoring.
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🌫️ Ideal for Harsh Environments – Perfect for areas where smoke detectors are unsuitable, such as kitchens, boiler rooms, garages, or dusty and smoky locations.
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⚡ Wide Voltage Range – Operates reliably with supply voltages between 9 – 33 V DC.
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💡 Visual Alert – Built-in flashing LED for quick identification of alarm status.
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🧲 Easy Testing Option – Available with magnet-operated test switch for hassle-free maintenance.
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🛡️ Flame-Retardant Build – Ensures long-lasting durability and safety compliance.
Technical Specifications
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Supply Voltage: 9 – 33 V DC
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Supervisory Current: 40–50 μA at 9 V / 45–55 μA at 24 V (model dependent)
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Alarm Current: 17 mA at 9 V / 52 mA at 24 V
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Surge Current: 0 mA
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Installation Temperature: Min 32°F (0°C), Max 20°F below rated temperature
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Humidity Tolerance: 0% – 95% RH (non-condensing, no icing)
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Approvals & Standards: UL, FM, CSFM Certified
Applications
✔️ Industrial workshops
✔️ Commercial kitchens
✔️ Boiler rooms & garages
✔️ Warehouses & manufacturing units
✔️ Any location unsuitable for traditional smoke detectors
