Pfannenberg – PA X 20-10 24 DC RD

The Pfannenberg PATROL PA X 20-10 24 combines a high-performance audible sounder with a powerful 10 Joule flashing beacon in a single factory pre-wired unit.

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Pfannenberg PATROL PA X 20-10 24 Flashing Sounder

The Pfannenberg PATROL PA X 20-10 24 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 unit 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

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

Electrical Specifications

Available Voltages

230 VAC
115 VAC
24 VDC

Operating Range

187-255 VAC
90-135 VAC
18-30 VDC

Nominal Current Consumption

215-335 mA @ 230 VAC
340-560 mA @ 115 VAC
845-1430 mA @ 24 VDC

Sound pressure level	122 dB (A) 1m
Sound pressure level @ DIN-tone	115 dB (A)
Sound level reduction	max. –12 dB via potentiometer
Alarm tones	80 / 4 tones are externally selectable
Flash energy	10 Joule
Flash rate	1 Hz = 60 flashes/min
Light intensity (DIN 5037) 2	149 cd
Max. viewing distance	283 m
Impact strength	IK 08 (EN 50102)
Operating temperature	-40 °C…+55 °C
Relative humidity	90 %
Protection system (EN 60529)	IP 66
Relative humidity	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

Downloads for Pfannenberg – PA X 20-10 24 DC RD.

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