 LEE DAN® COMMUNICATIONS, INC. 155 Adams Avenue, Hauppauge, New York, 11788-3699 USA Phone: 800-231-1414 or 631-231-1414 Fax: 631-231-1498 E-Mail: info@leedan.com Loading
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| 500 Series |
Conventional Fire Alarms Smoke Detectors Edwards is a registered trademark of UTC Fire & Security |
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The Edwards 511C is a conventional photoelectric, direct-wire smoke detector with drift compensation, and features a low profile and self-diagnostics. This two-wire detector meets NFPA 72 field sensitivity requirements without the need for external meters. The 511C continually monitors its own sensitivity and operational status, and provides a visual indication if it drifts out of the sensitivity range or fails internal diagnostics. Drift compensation allows the detector to automatically adjust its sensitivity over time as it becomes dirty, increasing the time between cleaning, and the life of the detector. The patented field replaceable optical chamber simplifies cleaning. Normal sensing occurs every 9 seconds. This rate doubles when a signal exceeding the alarm threshold value is sensed. Two additional successive signals above the threshold level will initiate an alarm.
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Click for Spec Sheet |
Features |
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Built-in drift compensation |
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Field-replaceable optical chamber |
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Small, low-profile design |
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White color |
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Meets NFPA 72 field sensitivity testing without the need for external meters |
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Includes mounting base |
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Operating temperature range: 32°F to 100°F (0°C to 37.8°C)
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| Cat No. | Description | Operating Voltage | Current (Standby) | Current (Alarm) | Photoelectric Sensitivity | Reset Time | Drift Compensation Adj. | Field Wire Size |
| 511C | Two-wire Conventional Smoke Detector | 12/24V DC | 0.00007 A | 0.06 A | 3.1%, +0.5%, -1% | 1 sec. | 1%/ft. max. | 18-12 AWG |
| 211-10PKG | Replacement optical Chambers | - | - | - | - | - | - | - |
| | Brochure | Doc | Spec Sheet | User Guide | Manual | Wiring | |
This page was last updated October 31, 2013
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