KIDDE ULFire detection & alarm
Kidde Intelligent Optica Duct Smoke Detector
Technical documents: 1

Intelligent fixed-temperature heat detection, with rate-of-rise sensing on KI-HRD. Electronic addressing and compatible KI mounting bases.
| Manufacturer | KIDDE UL |
|---|---|
| Product / family | KI-HRD / KI-HFD · Intelligent Heat Detectors |
| System | Fire detection & alarm |
| Operating voltage | 15.20–19.95 VDC |
| Normal / alarm current | 51 / 68 µA |
| Fixed temperature | 135°F (57.2°C) |
| KI-HRD rate of rise | 15°F/min (8°C/min) |
| Selection & quotation | Based on project specification, configuration and quantities. |
Ratings, approvals and compatibility apply only to the models and configurations identified in the manufacturer’s documents.
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KIDDE ULTechnical documents: 1
KIDDE ULTechnical documents: 2
KIDDE ULTechnical documents: 2