Pfannenberg 21556818055 PY L-MA RGB LED Flashing Light Sounder Multicolour 12-48V DC Grey Housing
The Pfannenberg 21556818055 is a PYRA PY L-MA RGB LED combined flashing light
and sounder designed for versatile industrial signalling applications. Featuring colour-changing
RGB LED technology, a white lens, grey RAL7035 housing and an integrated high-output sounder,
this device provides selectable red, yellow, green and blue visual signals combined with audible
warning tones. The unit supports multiple light modes, adjustable flashing frequencies, eight
selectable sound tones, IP66 protection and impact-resistant construction for demanding
industrial environments.
Product Features
- Manufacturer: Pfannenberg
- Product Number: 21556818055
- Series: PY L-MA LED/Sound-combi RGB
- Combined RGB LED flashing light and electronic sounder
- Selectable LED colours: Red, Yellow, Green and Blue
- White lens with grey RAL7035 housing
- Operating voltage range: 10-60V DC
- Rated voltages: 12V, 24V and 48V DC
- LED technology for long service life and reduced maintenance
- Maximum sound output: 101 dB(A) at 1 metre
- 8 selectable alarm tones
- Adjustable volume reduction up to -20 dB
- Selectable optical modes: continuous, blinking and flashing
- Adjustable flashing frequencies: 0.1Hz, 0.5Hz, 0.75Hz, 1Hz and 2Hz
- Maximum visibility distance up to 111 metres
- Impact-resistant polycarbonate lens
- IP66 protection rating and NEMA 4/4X suitability
- Suitable for industrial automation and machinery safety applications
Applications
The Pfannenberg 21556818055 PY L-MA RGB LED flashing light sounder is suitable for factory
automation, machine safety systems, production equipment, control panels, process industries,
warehouses and industrial installations requiring flexible audible and visual signalling.
Why Choose Pfannenberg 21556818055?
The PY L-MA RGB combines advanced colour-changing LED technology with a powerful integrated
sounder, allowing multiple warning states from a single device. Its selectable colours,
adjustable signal patterns, rugged housing and IP66 protection provide a flexible and reliable
signalling solution for modern industrial applications.