描述：SL5990 und SL5991 malfunction alarm system In the event of an error, the relay for the acoustic signal and the relay for the visual signal are both activated The user can acknowledge the alarm on the device to silence the acoustic alarm The visual alarm will not go out until the error is rectified Collective alarm systems for monitoring machines, industrial plant and buildings Expandable from 4 to 160 alarm inputs Operating current/rest current principle adjustable for the 4 inputs Input response delay 35 mm overall width ### **Basic device: SL5990 alarm relay (stock no. 358-7623)** 4 alarm inputs with LED in the device One relay each for collective alarm and siren Button and/or external input to acknowledge the siren ### **Expansion device: SL5991 (stock no. 358-7229)** 4 alarm inputs with LED in the device Up to 39 expansion devices on one device **Input** | ---|--- Rated voltage UN for A1 → S2 and for | alarm inputs S1 → S4: | 230 Vac, 50 / 60 Hz Voltage range: | 0.8 → 1.1 UN Alarm pulse duration: | min. Acknowledgement pulse duration: | min. 200 ms **Output (SL5990 only)** | Contact assignment: | One NO each for collective alarm and siren Thermal current Ith: | 5 A Switching capacity according to AC 15 | 1 A @ 230 V **General data** | Rated operating current type: | Continuous Temperature range: | -20 °C → +60 °C Wire connection solid/stranded with sleeve: | 2 x 2.5 mm2 / 2 x 1.5 mm2 Device dimensions (W x H x D): | 35 x 90 x 98 mm 警告 * The connections A1, malfunction alarm inputs S1 → S4 and the acknowledgement input QH must be connected to the same phase.
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