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Cranford Controls VPR Series Electronic Sounder Base, DC 35V, 4-Tone, 103 dB @ 1m, IP33C, Red VPR-4T-R

Category Electronic Sounder Brand Cranford Controls Condition New

Specifications

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

Key Features

  • Electronic sounder base designed for industrial and automation signalling applications.
  • Delivers 103 dB sound level at 1 meter for clear alarm notification.
  • Operates at a maximum supply voltage of 35V DC and consumes only 32mA.
  • Features robust ABS housing in red color with rotary volume control.
  • IP33C rating ensures protection against dust and water spray.
  • Mounts via screw fixing with two M20 knockouts for easy installation.
  • Suitable for temperatures from -20°C to +70°C, allowing wide-area deployment.

Product Description

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.

Cranford Controls VPR Series Electronic Sounder Base, DC 35V, 4-Tone, 103 dB @ 1m, IP33C, Red VPR-4T-R
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Frequently Asked Questions

The maximum sound level of this model is 103 dB at 1 meter, ensuring clear alarm notifications in various environments.

This unit features four selectable tones: warble, sweep, pip, and continuous, allowing for versatile alarm scenarios.

The maximum supply voltage for this model is 35V DC, making it suitable for a variety of applications.

This electronic sounder consumes only 32mA of current, which contributes to its energy efficiency.

The model has an IP33C rating, providing protection against dust and water spray.

This model operates effectively in temperatures ranging from -20°C to +70°C, allowing for year-round performance.

The diameter of this unit is 105mm, making it suitable for various mounting applications.

It mounts via screw fixing and includes two M20 knockouts for easy installation.

The housing of this model is made from robust ABS material, which is colored red for visibility.

This electronic sounder complies with CE and RoHS standards, ensuring safety and environmental assurance.

The base length of this model is 41mm, facilitating its installation in control enclosures or panel boards.

It is suitable for industrial applications such as manufacturing plants, process automation, HVAC control panels, and emergency systems.

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