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Product Categories > Conventional Detection > EA323 Series
Conventional Detection
Advanced Heat Solutions
EA323 Series ROR/Fixed temperature heat detectors
EA323 and HD series heat detectors provide an effective solution and fast response in case of intense fires under rapid temperature rise situation. The EA323 series heat detector operates by using a matched pair of thermistors to sense heat.
The EA323 range is classified according to EN54-5 as Rate-of-Rise and Fixed temperature detectors. Fixed temperature thermistor will respond only when the alarm threshold is reached. Rate-of-Rise thermistor measures the rate of increase in temperature.
Approvals
 
The Range
| EA323-2 | 2-wire ROR/Fixed temperature heat detector |
| EA323-2L | 2-wire ROR/Fixed temperature heat detector with remote LED indicator output |
| EA323-4 | 4-wire ROR/Fixed temperature heat detector |
| EA323-4AR | 2-wire ROR/Fixed temperature heat detector with Auto-Reset function |
Features and Benefits
- Dual thermistor solution for accurate heat detection
- Common 2 and 4 wire base with EA-318 and SD-325 series
- Dual LEDs for 360° visibility
- Magnet-activated sensitivity test switch
- Easy installation and maintenance
Specification
| Model | 2/4 Wire | Heat Sensor Setting | Voltage DC | Startup Current (µA) | Standby Current (µA) | Alarm Current (Max) |
| EA323-2 | 2 | 135°F (57°C)>20°F
(6.7°C)/ minute | 12~35V | 170 µA | 42 µA | 60mA@24V |
| EA323-2L | 2 | 135°F (57°C)>20°F
(6.7°C)/ minute | 12~35V | 170 µA | 42 µA | 60mA@24V |
| EA323-4 | 4 | 135°F (57°C)>20°F
(6.7°C)/ minute | 12/24V | 170 µA | 42 µA | 36mA@12V
60mA@24V |
| EA323-4AR | 4 | 135°F (57°C)>20°F
(6.7°C)/ minute | 12/24V | 170 µA | 42 µA | 36mA@12V
60mA@24V |
| Max Mrs. Rippi | 25% of DC input |
| Rate-of-Rise | >20°F (6.7°C)/minute |
| Operating Temp. | +32°F~100°F (0°C~38°C) |
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Check the HD-989/988 series conventional heat detectors or addressable heat detectors SensorX™.
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