C-TEC EN54-4 24Vdc 1.5A Encased Power Supply Only

In stock
Product Code
BF560-24/E
SKU
CT61152NC

C-TEC EN54-4 24Vdc 1.5A Caged Power Supply Only

24V 1.5A Encased Switch Mode Power Supply Unit to EN54-4/A2


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  • Supplied in a finger-protective cage to VDE 0100-410.
  • Includes the same electronics as our BF360-24 VDS certified EN54-4/A2 boxed 24V 1.5A PSU.
  • Ideal for use in OEM enclosures for powering beam detectors, auto-dial communicators, aspirating smoke detectors, auto-open vent systems, auxiliary sounder systems or any other device performing a mandatory function of a fire alarm system.
  • Deep discharge battery protection and EN54 compliant reporting of battery impedance faults.
  • Includes a single-pole volt-free changeover relay that switches for any fault condition.
  • Three LED indicators - supply present, general fault and auxiliary fault (for optional connection to third-party equipment).
  • Link selectable battery charging capacity.
  • Environmentally-friendly charging circuit - dissipates just 0.35W compared to the industry norm of 2.55W.
  • Optional 'PCB-only' version available (order code BF360-24/C)

A powerful switch mode/digital hybrid PSU that can be customised to suit your exact requirements

Features

  • Plastic cover on PSU PCB guards against touching live parts (to VDE 0100-410).
  • Includes the same electronics as the BF560-24 LPCB certified EN54-4/A2 boxed 24V 1.5A PSU.
  • Metal base plate facilitates straightforward mounting inside third-party OEM enclosures.
  • Includes a single-pole volt-free changeover relay that switches for any fault condition.
  • Includes a fault type & hazardous voltages present LED.
  • Two selectable battery charge currents.
  • Battery fault impedance limits can be optimised to suit load current (helps extend battery life)*.
  • Mains fail simulation mode.
  • Improved on-board temperature sensor with optional remote sensor.
  • Electronic functions comply with EN50131-6 grades 1-4 for security applications.
Attributes
Amp 1.5
Category Type Power Supply Unit
Clearance No
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PSU CUSTOMISATION

The BF560-24/E can be optionally customised to suit your exact requirements using a BF423 configurator and PC. Configurable parameters include Float voltage temperature compensation; Battery charge rate (mA); Battery impedance; Configurable Input/Output settings.

PSU STATUS LED (located on the PSU PCB)

1 flash = Mains Failure.

2 flashes = Battery Voltage Low.

3 flashes = Battery Voltage Critical.

4 flashes = Charger Failure.

5 flashes = Charger OK (Battery is either actively charging, or in float charge).

6 flashes = No Batteries Fitted (indicating DIP Switch 4 position).

7 flashes = Battery Resistance Fault (Level set by DIP Switch 2 position).

8 flashes = Output Over Voltage.

BATTERY FAULT MONITORING

The BF560-24/E monitors battery resistance to the requirements of EN54-4/A2. The fault threshold is directly related to the ability of the battery to deliver the rated current to the load. For example, batteries stored uncharged for long periods, during shipment and/or distribution, degrade leading to increased internal resistance. If a degraded battery is fitted, a fault will be shown by the PSU as mandated by EN54-4/A2.

DATA PORT

Data on the BF560-24/E’s status can be extracted from the PSU’s bi-directional data port. The data available includes thermistor measurements; battery terminal voltage; system voltage at load terminals; battery charge current; load current; battery impedance and ASCII text string status messages. Extracting this data requires additional equipment and permissions.

Approvals/Certifications Includes the same electronics as the EN54-4/A2 certified BF560-24/E PSU
Compatability *Full compliance with all relevant standards must be checked by the responsible person with the caged PSU installed in a suitable enclosure*
Application/operation A caged Mains to regulated DC switch-mode/digital hybrid power supply providing 1.5A @ 24V DC. It includes a single pole volt-free changeover relay that switches for any fault condition.
Mains Supply 230V 50/60Hz
Mains rated current 400mA r.m.s
Total output current limited to 1.5A (max output current)
Output I max.a: 1.3A or 0.8A selectable. A load greater than I max.a will temporarily reduce batt. charging. I.max.b: 1.5A, charging turned off via CONN6. Output is also customisable via a BF423 Config
Battery charge capacity 2Ah up to 12Ah (battery charged to 80% capacity in 24hrs). Output is customisable via a BF423 Configurator to suit different manufacturers' batteries*.
Max battery size and type Up to 12Ah VRLA dependent on the size of the enclosure the BF560-24/E is mounted in.
Indicators Supply Present (green); General Fault (amber); Auxiliary Fault (amber); Hazardous Voltages Present (red).
Connections Mains Input (CONN1); Supply Output (CONN3); Battery Input (CONN3); Fault Relay (CONN4); Charge Off Input (CONN5). Battery Charge Current Link (PLK1); Battery Monitoring On/Off Link (PLK2)
Expansion connections A remote thermistor can be connected via PL3 terminals
Product dimensions (mm) 103 W x 173 H x 53 D
Construction & finish Zintec base, polycarbonate cover
IP Rating Dependent on mounting enclosure
Weight 324g (without batteries)
Operating conditions/temperature -5°C to +40°C. Max relative humidity: 95%
Notes *Parameters configurable via a BF423 configurator are: Float voltage temp. compensation; Batt. charge rate (mA); Batt. impedance; Configurable Input/Output settings