Pfannenberg – PA X 20-15 24V DC RD
The Pfannenberg PATROL PA X 20-15 24V DC RDÂ combines a high-performance audible sounder with a powerful 10 Joule flashing beacon in a single factory pre-wired unit.
Pfannenberg PATROL PA X 20-15 24V DC RD Flashing Sounder
The Pfannenberg PATROL PA X 20-15 24V DC RDÂ combines a high-performance audible sounder with a powerful 10 Joule flashing beacon in a single factory pre-wired unit. As part of the PATROL range, it incorporates Pfannenberg’s innovative 3D Coverage technology, delivering exceptional sound distribution and visual coverage while simplifying installation and reducing the number of signalling devices required.
Furthermore, the PA X 20-15 24V DC RD is designed for demanding industrial environments where reliable audible and visual warnings are critical. Its impact-resistant construction, wide-area coverage, and simple installation make it ideal for manufacturing facilities, warehouses, process industries, utilities, and emergency warning systems.
Key Features
- Combined sounder and flashing beacon
- Pre-wired sounder and beacon assembly
- PATROL 3D Coverage technology
- Outstanding acoustic penetration
- High-efficiency signalling design
- External tone selection
- Impact-resistant housing
- Suitable for indoor and outdoor use
- NEMA 4 / 4X protection
- UL approved
- EurAsian Conformity (EAC)
- Optional connector versions available
- Multiple lens colour options
Electrical Specifications
- Rated Voltage: 24V DC
- Operating Range: 18V – 30V DC
- Nominal Current Consumption: 945 – 1540 mA
 Certifications
- ISO 9001 – ISO 14001
- Certificate of Hamburg Town
- DNV GL
- UKCA
- UL
- EN 54-3
- EN 54-23
- MED
- CE
- NEMA
- EAC
- VdS
Visual Coverage (10 Joule)
Red Lens
- Indicate: 39.2 × 35.6 × 69.3 m
- Warning: 17.4 × 15.8 × 30.8 m
- Alert: 8.7 × 7.9 × 15.4 m
Yellow Lens
- Indicate: 62.6 × 56.7 × 110.3 m
- Warning: 27.8 × 25.2 × 49.0 m
- Alert: 13.9 × 12.6 × 24.5 m
Amber Lens
- Indicate: 48.6 × 44.6 × 86.0 m
- Warning: 21.6 × 19.8 × 38.2 m
- Alert: 10.8 × 9.9 × 19.1 m
Blue Lens
- Indicate: 30.2 × 26.6 × 48.2 m
- Warning: 13.4 × 11.8 × 21.4 m
- Alert: 6.7 × 5.9 × 10.7 m
Clear Lens
- Indicate: 68.0 × 61.7 × 119.7 m
- Warning: 30.2 × 27.4 × 53.2 m
- Alert: 15.1 × 13.7 × 26.6 m
| Sound pressure level | 122 dB (A) 1m |
|---|---|
| Sound pressure level @ DIN-tone | 120 dB (A) |
| Sound level reduction | max. –12 dB via potentiometer |
| Alarm tones | 80 / 4 tones are externally selectable |
| Flash energy | 15 Joule |
| Flash rate | 1 Hz = 60 flashes/min |
| Light intensity (DIN 5037) 2 | 265 cd |
| Max. viewing distance | 377 m |
| Impact strength | IK 08 (EN 50102) |
| Operating temperature | -40 °C…+55 °C |
| Relative humidity | Â 90 % |
| Protection system (EN 60529) | IP 66 |
| Relative humidity | Â 90 % |
| Protection class | II |
| Service life of the light source | light emission still 70 % after 8,000,000 flashes |
| Material | sounder PC / ABS blend similar to RAL 3000 (flame red) / RAL 7035 (light grey) |
|---|---|
| Cable entry | 4x M20 knock-outs prepared (on side), 1 knock-out on back |
| Integrated seal with cable entry | 6–13 mm (feed-through grommet) |
| Connecting terminals | 2.5 mm2 fine wire with cable end sleeve, AWG 16 |
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