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| Country of Origin | United Kingdom |
|---|---|
| Diameter | 105mm |
| Brand | Cranford Controls |
| Model | VPR-4T-R |
| IP Rating | IP33C |
| Mount Type | Base |
| Housing Material | ABS |
| Series | VPR |
| Maximum Operating Temperature | 70°C |
| Current Type | DC |
| Current consumption | 32mA |
| Minimum Operating Temperature | -20°C |
| Standards/Approvals | CE, RoHS |
| Maximum Supply Voltage | 35V |
| Housing Colour | Red |
| Tone Type | Continuous |
| Sound Level at 1m | 103dB |
| Maximum Sound Level | 104.6dB |
| Number of Tones | 4 |
| Base Length | 41mm |
| 4 tones | warble, sweep, pip and continuous. In each case the continuous tone is the second stage when a two stage alarm is required |
Cranford Controls VPR-4T-R is a high-performance electronic sounder base engineered for industrial, automation, and control environments. With its 35V DC maximum supply voltage and IP33C protection rating, the VPR Series delivers reliable audible signalling in challenging conditions. The unit offers four selectable tones - warble, sweep, pip, and continuous - to suit multiple alarm scenarios, including two-stage alarms where the continuous tone indicates escalation.
This model provides a strong sound output of up to 103 dB at 1 meter, ensuring clear notification even in noisy industrial settings. The rotary volume control enables easy local adjustment, while power consumption is kept low at 32mA for energy efficiency. The sounder features a robust ABS housing in red, making it visually distinct and suitable for safety and emergency systems.
Electronic sounder base designed for industrial automation, signalling, and fire alarm systems. Four selectable tones: warble, sweep, pip, and continuous for versatile application requirements. High sound output at 103 dB @ 1m ensures easy detection of warnings and alerts.
Operates on DC power up to 35V with low current consumption (32mA) for efficient operation. Rotary volume control and two M20 knockouts for flexible installation and adjustment. ABS housing offers durability and IP33C rated protection against dust and water spray.
Suitable for ambient temperatures from -20°C to +70°C for year-round performance. Complies with CE and RoHS standards for safety and environmental assurance.
Industrial applications include use in manufacturing plants, process automation, HVAC control panels, emergency systems, and laboratories requiring reliable signalling devices. The base length of 41mm and diameter of 105mm make it easy to mount in control enclosures or panel boards. Hazardous area certification is not included, so installation must occur in standard environments.
The VPR-4T-R is part of Cranford Controls’ VPR Series, known for professional-grade sounders delivering robust performance in critical signalling roles. Its ease of installation, clear multi-tone options, and high sound output make it a preferred choice for both new installations and upgrades in electrical and industrial systems.
Browse the EnvMart Electronic Sounder category for compatible accessories and other Cranford Controls products designed for automation and safety.
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