Description
The Siemens ILI-1B is an intelligent ionization smoke detector designed for advanced fire detection in commercial and industrial safety systems. Engineered for use with compatible Siemens fire alarm control panels, the Siemens ILI-1B provides precise smoke detection, reliable communication, and stable performance in air duct monitoring applications. Its microprocessor-based design ensures accurate detection and dependable system integration.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Fire Alarm Systems |
| Part Number |
ILI-1B |
| Subcategory |
Smoke Detectors |
| Detector Type |
Intelligent Ionization Smoke Detector |
| Compatibility |
Siemens IXL, MXL, XL3 Control Panels |
| Housing Compatibility |
AD-3I Air Duct Detector Housing |
| Voltage Range |
16 – 30 VDC Peak Pulsed |
| Current Consumption (Normal) |
1.2 mA Typical |
| Current Consumption (Alarm) |
1.5 mA Typical |
| Operating Temperature |
32°F to 100°F (0°C to 38°C) |
| Humidity Range |
0 – 93% RH Non-Condensing |
| Programming Tools |
SensorLINK FPI-32 / DPU Programmer |
| Dimensions |
5.62 × 5.62 × 2.67 in |
| Certifications |
UL, ULC, FM, CSFM, NYMEA |
| Weight |
0.8 lb |
Information About ILI-1B
The ILI-1B is part of the Siemens ILI Series intelligent ionization smoke detectors developed for integration with Siemens fire alarm control systems. It features dual ionization chambers and solid-state circuitry designed to provide high resistance to environmental interference such as EMI, RFI, and humidity. The detector is specifically intended for use with the AD-3I air duct housing when monitoring airflow in HVAC duct systems with velocities between 500 and 4000 ft/min. Built with a Motorola microprocessor and onboard EEPROM, the device supports advanced detection algorithms, electronic addressing, and system supervision through compatible field programming tools.
Key Features:
- Dual Ionization Chamber Detection: Provides highly sensitive smoke detection using self-compensating dual ionization chambers.
- Microprocessor-Based Operation: Integrated Motorola microprocessor enables advanced detection algorithms and system diagnostics.
- EEPROM Memory Integration: Onboard EEPROM stores device programming and configuration data for reliable system operation.
- Air Duct Monitoring Capability: Designed for use with Siemens AD-3I duct detector housing for HVAC air duct smoke detection.
- Advanced Communication Protocol: Supports intelligent communication with Siemens fire alarm control panels.
- High Interference Resistance: Solid-state circuitry ensures strong immunity to EMI, RFI, and humidity conditions.
- Field Programmable Addressing: Compatible with SensorLINK FPI-32 and DPU programmers for electronic addressing and testing.
- Visual Alarm Indication: Built-in LED indicator provides clear visual status and alarm signaling.
- Certified Safety Compliance: UL, ULC, FM, CSFM, and NYMEA approvals ensure compliance with fire protection standards.
The ILI-1B delivers the reliability and precision required for intelligent smoke detection in commercial fire alarm and HVAC duct monitoring systems.
