Conventional aspirating smoke detector. Silenced motor, max. noise 31dB. Modular design, designed to accommodate 1 or 2 detection modules. Covers 1 zone with 1 or 2 independent aspiration channels. Aspiration network: Ø25mm ABS piping, maximum length 300m per channel. Sensitivity class: A, B, C. Programmable aspiration speed. Each channel is equipped with a signalling interface comprising 3 LEDs and 2 relay outputs: Alarm and Fault. The configuration of the aspirating unit is completed by the front synoptic label. Supply voltage 24V DC. Maximum current draw: 1 detection module 220mA, 2 detection modules 250mA. Protection rating IP2x (IP52 with optional kit). Operating temperature -20°C...+60°C. ABS casing. Dimensions (L x H x D) 200 x 292 x 113mm. EN 54-20. Type approval certificate: VdS G 202064.