PSU – the Core of the system

Power supply (PSU) is an important part of an alarm system or access control system to get a safe and reliable power to the system.

Certified Products

Alarmtech has developed a PSV primary switched program for 12 V and 24 V with battery backup. They are third-party Certified at the German test laboratory Verband der Schadenverhϋtung (VdS) for EN Grade 3 which is valid in most European countries. They can then easily get national certifications in most countries in Europe. In Sweden this certification is made by SBSC. The PSV program is also tested and approved for Safety and EMC by INTERTEK to satisfy the modern Security Industry´s claim for high quality and performance.

For intruder alarm and access control systems

Output voltage 12V, 24V and 48V

Battery backup

EN Grade and INTERTEK approvals

Fact box

Types of Power Supplies

PSV Series: EN Grade 3 certified primary switched power supplies designed for security system, burglary alarm, CCTV and access control systems.

PSE Series: Compact primary switched power supplies for smaller security applications, such as code locks, electric locks, CCTV and stand-alone systems.

Key features

Output Voltage: PSV provides 12 VDC or 24 VDC; PSE offers options of 12 VDC, 24 VDC or 48 VDC.
Battery Backup: Integrated battery backup in all units ensures continuous operation during power interruptions.
Installation Options: PSV is available in wall or rack mounted cabinets and as standalone modules. PSE features a removable front panel for easy installation.
Operational Monitoring: LED indication on the front panel display the status of operation in both series.

Compliance & approvals

PSV: EN Grade2 and EN Grade 3 approved by VdS in Germany; EMC and Safety by INTERTEK in Sweden.
PSE: Compliant with EN Grade 2 standards.

PSU – The core of the system

Modular power supply system

The PSV modules is a complete primary switched power supply unit with DC output voltages 12 V or 24 V for intruder alarm or access control system. The module can be mounted on a DIN rail or in a metal cabinet. It can operate as a single unit but it can also be connected with one or more units to get more power and compensate for voltage drops in the system and thus achieve higher redundancy in the facility. The PSV modules can operate with or without batteries. The output characteristic of the power supply range follows DIN 41773 charging procedure that allows stand-alone operation. Each PSV module is certified as stand-alone unit but they can also be built in to customer’s cabinets to simplify further approvals.

zwe gyiztc 2
zwe gyiztc 2

PSU – The core of the system

Wall cabinets

There is a wide range of power supply models in 12 V and 24 V for wall mounting. Each cabinet has room for one or two batteries depending on the model. The cabinets are equipped with LED indicators on the front panel that show the device’s status and any error codes as mains failure, low output voltage, battery and fuse failure. For safe installations, the cabinets are equipped with tamper protection and pry-off switches contact.

PSU – The core of the system

Rack mounted versions

There are also power supply units with battery backup for 19” rack mounting in both 12 V and 24 V with space for 2 accumulators. The cabinets are equipped with LED indicators on the front panel that show the unit’s status and error codes. For safe installations, the cabinets are equipped with a tamper contact.

zwe gyiztc 2
zwe gyiztc 2

PSU – The core of the system

PSE – Power supply unit economy version

The PSE is a primary switched power supply unit with battery backup for 12 V, 24 V or 48 V. The PSE power supply is intended for smaller burglary alarm and access control systems. It can also be used for code locks, electric locks, CCTV, emergency lighting and other stand-alone applications. The metal case has LED indication on the front panel to indicate the operation status and space for two accumulators. The case is prepared for an opening contact of the front panel. The PSE is not certified by VdS but it complies with EN Grade 2.