• Advanced Photoelectric Sensing: Engineered with an optimized light-scatter chamber to provide the fastest response to slow-burning or smouldering fires
• Integrated Soft Addressing: Built-in addressable communication protocols automatically map device metrics to the control panel without manual coding
• Onboard Circuit Protection: Features a built-in integral short circuit isolator within the head assembly to shield loop segments from system wiring faults
• Intelligent Drift Compensation: Onboard software monitoring automatically recalibrates sensor thresholds to counter ongoing dust and debris accumulation
• Specialized Field Maintenance: Designed with a removable detector chamber for clean-out testing and onsite servicing using standard procedures
• 360-Degree Visual Lightpipe: Lensed status ring provides clear multidirectional illumination, pulsing during polling and latching solid for alarms
• Industrial Life Safety Layer: Certified under strict UL 268 standards for premium commercial-grade smoke signaling safety compliance
• Robust Terminal Base: Includes the standard UCAB300 mounting base plate equipped with separate, clear loop-in and loop-out captive terminal blocks
• Integrated Lock Safeguard: Built-in anti-tamper locking mechanism prevents unauthorized removal of detector heads without specialized tools
• Efficient Energy Footprint: Low 220µA standby current consumption minimizes overall loop load parameters across distributed pathways
The Cooper ULCAP320 intelligent addressable analogue photoelectric smoke detector represents an advanced, high-specification fire detection solution engineered for commercial, industrial, and multi-site institutional buildings. By coupling the device directly with the robust universal addressable sensor base, fire safety installers achieve a cleaner and more secure loop termination footprint.
The Cooper ULCAP320 combination operates flawlessly with your central command hub, delivering high-speed digital polling updates while offering exceptional false-alarm rejection under everyday environmental shifts.
Verify precise technical waveform parameters, alarm current draw limits, and detailed wiring diagrams in the official manufacturer submittal document: eaton-fire-ul-addressable-detectors-ulcah330-ulcap320-ulcapt340-datasheet.pdf. You can cross-verify all international design safety compliance registries directly through the official UL Product iQ Directory.
| Property | Specification Details |
|---|---|
| Brand / Manufacturer | Eaton Cooper |
| Detector Head Code | ULCAP320 (Photoelectric Smoke Module) |
| Compatible Base Code | UCAB300 (Intelligent Standard Base) |
| Regulatory Certifications | UL 268 Listed (Fire Protective Signaling), ULC Listed |
| Working Voltage | 18V DC to 30V DC |
| Voltage Waveform Profile | Filtered DC +/- 1V Maximum (Ripple frequency at 120Hz) |
| Standby Quiescent Draw | 220 µA Average consumption |
| Maximum Alarm Current | 5 mA Maximum line pull |
| Start-Up / Reset Cadence | 2 Seconds initialization / 2 Seconds maximum reset duration |
| Base Optical Sensitivity | 2.55% +/- 0.33% Per foot obscuration matrix |
| Ingress Protection Rating | IP40 dust-resistant shield index |
| UL Temperature Environment | 32°F to 100°F (0°C to 38°C) indoor operation limits |
| Relative Humidity Limits | 0% to 93% RH non-condensing moisture zone boundaries |
| Assembled Size Dimensions | 104 mm Base Diameter x 45 mm Depth profile including base |
Q1: Why is a photoelectric smoke sensor preferred for general commercial rooms?
A: Photoelectric smoke detectors provide the fastest response to slow-burning, smouldering fires that produce large, visible smoke particles. This type of threat is highly common in standard workplace materials, office furniture, and electrical closets.
Q2: Do I need to manually configure addresses or toggle dip-switches on this sensor?
A: No. The device utilizes advanced electronic soft-addressing algorithms. The main fire control panel automatically identifies and numbers the detector, completely eliminating human errors during loop system configuration.
Q3: How does the “Clean Me” function reduce ongoing maintenance costs?
A: The device automatically monitors local dirt accumulation inside its testing chamber using tracking algorithms. When servicing is required, the chamber can be detached and cleaned manually on-site, avoiding full device replacements.
Q4: Can this detector operate securely if an open circuit or loop short happens?
A: Yes, absolutely. The assembly includes built-in short circuit isolators right inside the head structure. This protection separates only the affected wire segment, allowing the remaining loop devices to communicate normally with the panel.
Q5: What are the primary electrical wire capacity limits for the UCAB300 bracket terminals?
A: Each heavy-duty terminal blocks screw wire channel can securely fit and clamp down on up to two independent wire paths ranging in size up to a maximum profile of 2.5mm² (14 AWG).
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