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Product Categories > Conventional Detection > EA-323 Series
Conventional Detection
Advanced Heat Solutions
EA-323 Series ROR/Fixed temperature heat detectors
EA-323 and HD series heat detectors provide an effective solution and fast response in case of intense fires under rapid temperature rise situation. The EA-323 series heat detector operates by using a matched pair of thermistors to sense heat.
The EA-323 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
| EA-323-2 | 2-wire ROR/Fixed temperature heat detector |
| EA-323-2L | 2-wire ROR/Fixed temperature heat detector with remote LED indicator output |
| EA-323-4 | 4-wire ROR/Fixed temperature heat detector |
| EA-323-4AR | 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) |
| EA-323-2 | 2 | 135 F (57 C)>20 F
(6.7 C)/ minute | 10~35V | 170 µA | 42 µA | 60mA@24V |
| EA-323-2L | 2 | 135 F (57 C)>20 F
(6.7 C)/ minute | 10~35V | 170 µA | 42 µA | 60mA@24V |
| EA-323-4 | 4 | 135 F (57 C)>20 F
(6.7 C)/ minute | 12/24V | 170 µA | 42 µA | 36mA@24V
60mA@24V |
| EA-323-4AR | 2 | 135 F (57 C)>20 F
(6.7 C)/ minute | 12/24V | 170 µA | 42 µA | 36mA@24V
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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