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Power supplies are a critical part of any fire detection and life safety system, providing regulated and dependable electrical power to fire alarm panels, sounder circuits, interface devices, and call systems. At Firesense, we stock a comprehensive range of 12V and 24V power supply units (PSUs) from leading manufacturers such as Kentec, C-TEC, Elmdene, and Advanced, ensuring high-performance solutions across a wide variety of system requirements.
A reliable power supply is essential for maintaining the performance and integrity of fire alarm systems, assistive call systems, access control equipment and other life safety installations. At Firesense, we supply a comprehensive range of EN54-4 compliant and non-EN54 power supplies designed to deliver dependable, regulated power for a wide variety of applications.
Our carefully selected range includes solutions from trusted manufacturers including Elmdene, C-TEC, Kentec and Advanced, providing installers and specifiers with high-quality options for both standalone and integrated system requirements.
EN54-4 Fire Alarm Power Supplies
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For systems requiring full compliance with EN54-4 standards, we offer a broad range of 24V EN54 power supplies designed for use in fire alarm installations where monitoring, fault reporting, and battery backup are essential.
Our Elmdene STX EN54-4 PSUs are available in 1A, 2A, and 5A output versions, with standard and large enclosure options.
Each unit is housed in a robust steel case and includes battery charging and fault monitoring features.
C-TEC EN54-4 Power Supplies
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The C-TEC EN54-4 range includes boxed and caged variants, offering outputs of 1.5A, 3A, and 5A, ideal for applications requiring reliable, scalable power in either standalone or integrated configurations.
These units are designed to provide dependable monitored power whilst supporting a wide range of fire alarm and life safety installations.
Kentec EN54-4 Power Supplies
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Kentec’s Syncro and Sigma Style EN54-4 PSUs are purpose-built to pair with Kentec fire panels or serve as standalone supplies.
With output options of 2.5A and 5.25A, these units offer reliable, monitored power with deep discharge protection, integrated fault LEDs, and compatibility with sealed lead acid backup batteries.
These features make them particularly suitable for demanding fire alarm applications where continuous monitoring and battery protection are critical.
24V Boxed Power Supplies
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For systems that don’t require EN54 certification—such as powering auxiliary devices, access control systems, or local circuits—Firesense also supplies 24V boxed PSUs from Advanced.
These include 1.5A, 3A, and 5A models, available in standard, large, or deep enclosures depending on space and battery requirements.
These units provide regulated 24V DC output with robust steel construction, making them suitable for a wide range of commercial and industrial applications where reliable power is needed without formal EN54 compliance.
12V Power Supplies for Call Systems
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For call systems and assistive technology, we offer compact 12V power supplies, including the C-TEC 800 Series 12V 250mA PSU, specifically designed to power up to two NC944 Four Zone Call Controllers.
Housed in a standard double gang format, it includes a green power indicator and is compatible with the NC941B 12V 0.3Ah backup battery kit, ensuring operation during mains failure.
These compact power supplies provide a practical and reliable solution for nurse call, disabled refuge, and assistance alarm installations.
Assistive Call Power Supplies
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We also stock assistive call power supplies, including options with integrated over-door indicators and compatibility with ViAC-4ZC controllers—providing both visual alerting and power in a single compact solution.
These are ideal for use in healthcare, residential care, and supported living environments.
Combining power and indication functions can simplify installation while helping ensure staff can quickly identify active calls when assistance is required.
Applications & Benefits
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All power supplies offered by Firesense are selected for their quality, ease of installation, and long-term reliability.
Whether you're powering a fire alarm system, an assistive call network, or auxiliary safety equipment, our range covers everything from low-current 12V outputs to robust 5.25A 24V regulated units.
With multiple enclosure sizes, battery backup options and compliant monitoring features available, our PSU range can be tailored to suit projects of all sizes and complexities.
Why Choose Firesense?
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Firesense works with leading manufacturers to provide dependable power solutions that support the performance and reliability of life safety systems.
Our technical team can assist with selecting the correct PSU, battery capacity, enclosure size and compliance requirements to ensure your installation performs exactly as intended.
Whether you need an EN54-4 compliant fire alarm power supply, a 24V boxed PSU, or a specialist assistive call system power solution, Firesense provides quality products backed by expert support.
Contact Us
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For help selecting the right PSU for your installation or advice on battery compatibility and enclosure options, contact the Firesense team—we’re here to support your project with dependable, compliant power solutions.
