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Trade prices shown ex VAT. Order by 3pm on a working day for same-day dispatch on stocked lines, Great Britain. Free UK delivery on orders over £250 ex VAT.

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

VESDA Small Area Detector

Part no.VLF-250-00
BrandVESDA
RangeVESDA VLF
Xtralis VLF-250-00 Small Area Detector — white housing with circular display and black top cap

Image for illustration; item supplied may differ

£1,338.03 ex VAT
£1,605.64 inc VAT
In stock
Ships in 1 to 2 working days
Dates are based on our supplier's lead times and may change.
Free UK delivery over £250 ex VAT, otherwise £9.95 ex VAT (£11.94 inc VAT).

Volume pricing

Bulk discount, applied automatically at checkout.

QuantityUnit price ex VAT
1+£1,338.03
5+£1,291.20
25+£1,244.37

Don't forget

  • VSP-850-GIn-Line Filter GreyApproved Xtralis in-line filter (Grey) for the VLF-250; non-approved 3rd party in-line filters must not be used.£144.90ex VAT£173.88 inc VAT
  • VSP-850-RIn-Line Filter RedApproved Xtralis in-line filter (Red) for the VLF-250; non-approved 3rd party in-line filters must not be used.£144.90ex VAT£173.88 inc VATIn stock

Description

The VESDA VLF-250-00 is an early warning air sampling smoke detector using laser based aspirated smoke detection technology for small, critical environments, and it monitors areas up to 250 m² (2690 sq. ft.) dependant on local codes and standards. The -00 code is the European language set with English display labels. Power Consumption is 220 mA nominal, 295 mA in alarm.

VLF-250-00 is the ordering code for VESDA VLF-250-00 European language set, English display labels.

Read the full technical description

The VESDA VLF-250 early warning air sampling smoke detector incorporates world leading VESDA very early warning laser based aspirated smoke detection technology. It provides localized fire risk management solutions for small, critical environments. The VLF-250 monitors areas up to 250 m² (2690 sq. ft.) dependant on local codes and standards.

Power Consumption at a 24 VDC Supply is 220 mA nominal, 295 mA in alarm. The product must use a power supply conforming to EN54: Part 4. For a Class A detector, hole sensitivity must be better than 1.5% obscuration/m and transport time less than 60 seconds. For Class B it must be better than 4.5% obscuration/m and for Class C better than 10% obscuration/m, with transport time less than 60 seconds in each class.

Specifications

Ordering code descriptionVESDA VLF. European language set. English display labels
Input powerVoltage: 24V DC Nominal (18-30 V DC) Current @ 24 VDC: 220 mA nominal, 295 mA in alarm
Dimensions256 mm x 183 mm x 92 mm (101/16 in x 71/5 in x 32/3 in)
WeightApprox. 2 kg (4.4 lbs)
Ingress protectionIP30
MountingUpright, inverted or horizontal
Operating conditionsAmbient: 0°C to 38°C (32°F to 100°F); Sampled Air: -20°C to 60°C (-4°F to 140°F); Humidity: 5% to 95% RH, non-condensing
Sampling networkMaximum pipe lengths: 1 x 25 m (80 ft) (Max. 12 holes); 2 x 15 m (50 ft) per branch (Max. 6 holes per branch). Sampling Hole Options: Pre-Engineered Option or Maximum Pipe length in accordance with Pipe Modelling Design Tool (ASPIRE™)
Air inlet pipeAccepts both metric and American standard pipe sizes; Metric: 25 mm (1.05 in.); American Pipe: IPS 21 mm (¾ in.)
Area coverageUp to 250 m² (2,690 sq. ft.) depending on local codes and standards
Relay outputs3 changeover relays (Fire 1, Action, Fault), Contacts rated 2A @ 30 VDC (max). NO/NC Contacts
Cable access3 x 25 mm (1.05 in.) cable entries (1 rear entry, 2 top entry)
Cable terminationScrew Terminals 0.2-2.5 mm² (30-12 AWG)
InterfacesShown in Terminal Block Connections diagram plus an RS232 Programming Port. General Purpose Input (GPI) interface offers: Reset, Disable, Standby, Alarm set 1, Alarm set 2 and External Input functions.

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

Optional accessories