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Part Number or the Week S3EP-V-VAD-HPR-R

VESDA-E STX PSU 3A (7-24AH )- SILVER

Part no.VPS-250-STX5-SLV
BrandVESDA
RangeVESDA Power Supplies
VPS-250-STX5-SLV 3A Silver STX5 Power Supply — silver fronted box, black top and side, two lights on lower front.

Image for illustration; item supplied may differ

At a glance

  • 3A Output RatingVPS-250-STX5-SLV has a 3A output rating.
  • 12-24AH Battery RangeThe unit is built for a 12-24AH battery capacity range.
  • STX5 Silver AppearanceIts appearance is STX5 Silver.
  • Series 5 ReplacementIt stands in for the Series 3 VPS-250-STX-SLV, which the Series 5 range replaces.
  • Mains Failure SimulationMains failure can be simulated without having to physically disconnect the mains, enabling a low-voltage authorised technician to inspect the battery voltages while powering the load.
  • Matched To VESDA DetectorsThe Series 5 PSUs are specifically designed to complement the style and appearance of VESDA and VESDA-E aspirating smoke detectors.

Description

This power supply unit has a 3A output rating and space for batteries in the 12-24AH range, wearing the STX5 Silver appearance.

It is the Series 5 counterpart of the Series 3 VPS-250-STX-SLV, a part the Series 5 range replaces outright.

Read the full technical description

VPS-250-STX5-SLV is a 3A 12-24AH power supply unit finished in STX5 Silver. It belongs to the new Series 5 PSUs, which are specifically designed to complement the style and appearance of VESDA and VESDA-E aspirating smoke detectors. The Series 3 unit it stands in for is VPS-250-STX-SLV. On this series mains failure can be simulated without having to physically disconnect the mains, enabling a low-voltage authorised technician to inspect the battery voltages while powering the load.

Specifications

Operating voltage230Vac (tested +10% -15%)
Load3 / 3.4A (3.4A non-certified to EN 54-4)
Power output20.0 - 30 Vdc
Fuse ratingBattery: 3A MINI Automotive Fuse AC supply - T1A HRC 20mm (both 20mm)
Ip ratingIP 30
Temperature range-5º to 40ºC ambient
Humidity95% RH non-condensing
Dimensions300mm x 350mm x 198mm
Weight5.8kg (without batteries) 25kg (with max batteries)
Color finishSilver Appearance
Battery monitoringBattery monitoring may be disabled in non EN 54-4 installations so that the unit can be operated on mains only without signalling a battery fault
Charge currentCharge current may be reduced in non EN 54-4 installations - limiting the current allocated to the charger and thus make it available for other loads
Cable entries6 off 20/25mm knockouts - Various positions

Specifications per manufacturer documentation, subject to change. E&OE.

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