Allen Bradley 856T-BTR3 Sound Module, 70mm Stack Light
The Allen Bradley 856T-BTR3 Sound Module is designed for integration within stack lights and signaling systems, offering reliable acoustic alerts in industrial environments. It facilitates clear communication and enhances operational efficiency by ensuring workers are promptly alerted to process statuses.
Manufacturer:Allen Bradley
Model:856T-BTR3
Module Category:Sound Module
Indicator Diameter:70 mm
Operating Voltage:24 VDC
Frequency Range:20 Hz – 20 kHz
Sound Pressure Level:≥ 85 dB at 1 m
Mounting Method:Stackable Design
Material:Impact-resistant Polycarbonate
Certification:CE, UL, CSA
The A-B 856T-BTR3 Sound Module is engineered for durability and performance, ensuring clear and loud audio signals in even the noisiest industrial settings. With a diameter of 70 mm, this sound module is compact yet powerful, making it ideal for use on stack lights and other signaling devices. The module operates at a voltage of 24 V DC, providing consistent and reliable performance. Its frequency range from 300 Hz to 3 kHz covers a broad spectrum of audible sounds, ensuring effective communication in various environments. The sound pressure level of ≥85 dB guarantees that alarms and notifications are heard clearly by workers. The IP65 protection rating means it can withstand dust and water splashes, making it suitable for outdoor and indoor use. Crafted from stainless steel, this sound module is resistant to corrosion and wear, ensuring long-lasting service life. Installation is straightforward, requiring minimal downtime for integration into existing systems.











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