Product Features Wiring Options: Available in 2-wire and 4-wire models Detection Algorithms: Advanced algorithms ensure accurate detection and minimize false alarms Easy Installation: Simple mounting and low-profile design enhance installation and maintenance efficiency Durable Sensor Head: Long-lasting sensor head eliminates the need for frequent replacements Flexible Relay Output: N/C (normally closed) or N/O (normally open) selectable relay output for enhanced system compatibility Auto Reset (AR): Optional feature for 4-wire models in security systems Sensor Base Options: Choose between standard or Schottky diode bases for system flexibility Five-Year Warranty: Covered by a limited five-year warranty Product Data Response Temperature: Fixed at 57°C (135°F) or rate-of-rise detection Ceiling Spacing: Rated for coverage over a 40-50 foot area for heat detection Reset Voltage: Less than 1 volt Alarm Indicator: LED emits a continuous red light during alarm conditions Remote Output: Maximum 25 mA with diode gate Temperature Range: -10°C to 50°C Permissible Current: Maximum 80mA Humidity: 0 to 95% RH, no condensation or icing Alarm Contact: NO or NC operation for 4-wire models; Form A: 1.0A@30VDC or 0.5A@125VAC Dimensions: 102 mm (diameter) x 43 mm (height), including base Weight: 125 g with base Applications The AH751 Series Smoke and Heat Detectors are well-suited for a range of commercial and industrial applications, including office buildings, warehouses, and residential complexes, where reliable fire detection and quick response are essential.
