Finder FF ESF101 Conventional Electronic Sounder and Beacon

1. Product Name: Finder FF ESF101 Conventional Electronic Sounder and Beacon

2. Description:

What Is the Finder FF ESF101 Electronic Sounder and Beacon?

The Finder FF ESF101 is a conventional electronic sounder and beacon designed to provide both audible and visual alerts in fire detection and alarm systems. In the event of a fire or emergency, it alerts building occupants with a high-decibel audible signal and an integrated LED beacon. It helps ensure safe evacuation during emergencies, particularly in areas where people with hearing impairments are present or in environments with high ambient noise.

Operating Principle

The device is triggered by the 24V DC supply from the sounder circuit of the conventional fire alarm control panel to which it is connected. When the panel enters an alarm state, the internal piezoelectric sound circuits begin to generate a high-intensity audible signal. At the same time, the high-brightness LED beacon produces synchronised flashes. The device automatically returns to standby when the system is reset via the panel.

The Role of Fire Detection Systems

Emergency warning equipment is the primary means of communicating a detected hazard to building occupants. In industrial facilities, workshops and other noisy environments where audible warnings may not be sufficient, activating a visual warning beacon is critical. This dual-function warning system aims to minimise evacuation time and maximise safety.

Why Choose It?

• Dual-Function Warning Technology: Combines audible and visual warnings in a single compact unit, reducing the need for additional equipment and lowering installation costs.

• High Visibility and Sound Output: The powerful LED beacon provides a clear warning even in bright ambient light, while the high-decibel alarm can be heard across large areas.

• Low Current Consumption: The optimised electronic circuit design minimises the load on panels and auxiliary power supplies.

• Multiple Tone Options: A range of tones and melodies can be selected using the built-in DIP switch.

Installation Details

The Finder FF ESF101 is easily secured to wall or ceiling surfaces using its compatible mounting base. Cable channels in the base allow both surface-mounted and concealed wiring. Once the cable ends have been connected to the screw terminals with the correct polarity, the main unit is seated on the base and locked into place.

Technical Specifications

• Operating Voltage: 18 - 30 V DC (Nominal 24V DC)

• Alarm Current: 15 - 35 mA (depending on sounder and beacon mode)

• Sound Output: 92 - 102 dB(A) @ 1 metres

• Light Source: High-brightness LED

• Flash Rate: 1 Hz (1 flashes per second)

• Operating Temperature: -10°C to +55°C

• Humidity Tolerance: 95% RH (non-condensing)

• Protection Rating: IP21C (indoor use)

• Housing Material: Red ABS plastic (flame-retardant)

• Dimensions: 92 mm (diameter) x 95 mm (height)

• Standards Compliance: Complies with EN 54-3 (audible warning) and EN 54-23 (visual warning) standards

Applications

• Industrial facilities and production areas

• Workshops and noisy manufacturing facilities

• Business centres and office complexes

• Schools, universities and educational buildings

• Hospitals and care centres

• Shops, shopping centres and public buildings

Frequently Asked Questions

Can the Finder FF ESF101 beacon and sounder operate independently? When powered from a standard conventional sounder circuit, the audible and visual warnings activate simultaneously.

Is the product compatible with addressable fire alarm panels? The FF ESF101 model is conventional. To use it in addressable fire detection systems, it must be integrated using addressable sounder/beacon control modules.