Vesda-E VPS-250-STX PSU 2A 24Ah Max

Vesda-E VPS-250-STX PSU 2A 24Ah Max

VESDA-E Power Supply Units are uniquely designed to complement the style and appearance of VESDA-E aspirating smoke detectors (ASD) and are technically matched to provide sufficient current and battery charging capacity to meet the requirement of EN 54-4.

The STX variants are VdS approved and CE marked to EN54-4 so are particularly suitable for use in territories where these approvals are required. They may also be suitable in territories where ISO 7240-4 is required.

Style STX product range

Designed with the same width, colour and styling of the VESDA-E detectors, the power supplies visually blend with the VESDA-E detectors. They feature the same curved profile and also incorporate an internal channel which accommodates the exhaust of the VESDA-E detectors.

This is particularly useful when it is necessary to run the exhaust pipe back to the protected area (back-venting). There are two colours. Matt black is standard and matches the finish of the black plastic VESDA-E detectors (the “–P” variants).

Alternatively, the unit can be supplied with grey (RAL 7047) cover which compliments the extruded aluminium finish of the premium VESDA-E detectors.

Installations

Both units provide cable entry knockouts which line up with the VESDA-E enclosure allowing positioning of the power supply immediately below the VESDA-E detector.

The PSU may also be installed above an inverted VESDA-E detector as illustrated opposite. The front cover supports 2 LEDs giving a quick visual indication of OK and fault condition.

A change over fault relay is provided which may be monitored using the General Purpose Input (GPI) of the VESDA-E detector or directly by the fire alarm system panel using a suitable relay input.

Key Features

• Available in two sizes: 0.5 A / 14 Ah (max) and 2 A / 24 Ah (max)
• Available in two colours: Black and Silver
• Temperature compensated charging to maximize battery life
• Designed to blend in with VESDA-E detectors
• Knockouts designed to line up with VESDA-E detectors
• External LED indication
• Relay outputs for connection to the general-purpose input for fault monitoring.
• 230 Vac only