APS-724

Backup power supply

APS-724 is a switch-mode backup power supply for devices requiring 24 V DC, included in the alarm system or other installations.

The power supply is characterized by a high output current of 7 A, which determines the maximum current delivered by the power supply connected to the load. When the battery is being charged, this value is reduced by the maximum battery charging current: 6 A (powering devices) + 1 A (charging battery). Energy efficiency of the APS-724 power supply is up to 94%.

The system complies with EN 55011 Class B in terms of the level of conducted and radiated EMI. It also meets the requirements of EN 60950-1 safety standard.

Indisputable advantages of its structure include: a built-in interference suppression filter and an active system for power factor correction (PFC) - up to 0.99. This ensures very good and stable operating parameters, also in the presence of high fluctuations in the supply voltage.

Lead-acid batteries or other battery types with similar charging characteristics can be connected to the device. This enables uninterrupted operation of the system to be maintained - even for several hours - when the primary power source fails.

Additionally, APS-724 comes with:

  • battery charge status control (including internal resistance measurement)
  • battery deep discharge protection.

The power supply is provided with 4 OC type fault signaling outputs. The LEDs located on the anodized aluminum enclosure indicate:

  • power output status
  • battery status
  • AC status
  • too high temperature of the power supply.

Audible signaling of troubles is also available.

The system is provided with over-current and short-circuit. The power cable is connected to the IEC C14 connector.

Features:

  • 24 V DC switch-mode power supply
  • output current: 7 A or 6 A (powering devices) + 1 A (charging battery)
  • compliant with EN 60950-1 safety standard requirements
  • compliant with EN 55011 Class B standard regarding the level of conducted and radiated EMI
  • active power factor correction system (up to 0.99)
  • energy efficiency up to 94%
  • short-circuit and over-current protection
  • designed for use with sealed lead-acid battery
  • battery deep discharge protection
  • 4 OC outputs for trouble indication
  • optical indication of power output status, battery status, AC status and too high temperature of the power supply
  • audible indication of troubles
  • anodized aluminum enclosure
  • IEC C14 power cable connector
APS-724
The actual appearance of the products may differ from the presented images. Product descriptions are provided in the web service for information purposes only.

Documentation

manual
updated: 2019-10-31
809 KB

Technical Data

Environmental class
II
Enclosure dimensions
101 x 68 x 291 mm
Operating temperature range
-10°C...+55°C
Battery failure voltage threshold (±10%)
23 V
Battery cut-off voltage (±10%)
21 V
Energy efficiency
up to 94%
Actual output voltage
27 V DC
Nominal output voltage (according to IEC 38)
24 V DC
PF (Power Factor Correction)
up to 0,98
Power supply type (according to EN50131)
A
Supply voltage
230 V AC
Output current (operation without battery connected)
7 A
Output current (operation with battery connected)
6 A
Battery charging current
1 A
OC type outputs (WS, WB, WP, WT)
50 mA / 24 V DC
Common ground
1,34 kg

Information materials

1catalogue

3leaflet - installer

4technical data

5product data sheet