Description
NANZHOU 4″/6″/ 8″ & 10″ Alarm Bell CB Series – Excellent Loud Fire & Safety Alarm
The NANZHOU CB Series Industrial Alarm Bell is a professional and versatile solution for audible signaling across a wide range of applications, including fire, security, and general industrial safety.
Available in four sizes (4″, 6″, 8″, and 10″), the units offer increasing decibel levels, from >95dB up to >110dB, and cover large areas up to 1200 m². This ensures that the warning is heard clearly even in expansive or high-noise environments.
Built with a heavy-duty alloy material, these alarm devices are extremely durable and designed for long-term reliability.
They boast an IP45 protection grade, offering excellent resistance against environmental factors like dust and water splashes.
Furthermore, the CB Series provides versatile compatibility with multiple working voltages, including DC 12V, 24V, and AC 110V, 220V, allowing for seamless integration into virtually any existing alarm system.
With their robust construction, wide area coverage, and high-decibel output, these reliable signaling units are the definitive choice for ensuring uncompromising safety across commercial, industrial, and institutional facilities.
Specification :
| Parameter | CB-4B | CB-6B | CB-8B | CB-10B |
| Name | Alarm bell | Alarm bell | Alarm bell | Alarm bell |
| Areal limits | 600 m² | 800 m² | 1000 m² | 1200 m² |
| Decibel | >95dB | >100dB | >105dB | >110dB |
| Working voltage | DC 12V, 24V / AC 110V, 220V | DC 12V, 24V / AC 110V, 220V | DC 12V, 24V / AC 110V, 220V | DC 12V, 24V / AC 110V, 220V |
| Frequency | 50–60Hz | 50–60Hz | 50–60Hz | 50–60Hz |
| Protection grade | IP45 | IP45 | IP45 | IP45 |
| Operation temperature | -25°C ~ 50°C | -25°C ~ 50°C | -25°C ~ 50°C | -25°C ~ 50°C |
| Material quality | Alloy | Alloy | Alloy | Alloy |
Dimension :
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