230V Mains-Powered Alarm Box with Battery Back-Up

This mains-powered 230V / single-phase alarm box is designed to provide reliable monitoring and warning signals for pumping stations, wastewater systems, and liquid level control applications. Complete with an integrated battery back-up, it ensures continuous operation even during power outages, offering added protection and peace of mind for critical installations.

Housed in a durable ABS plastic enclosure (250 × 200 × 110 mm) finished in grey RAL 7035, the unit features a transparent polycarbonate window for clear visibility of indicators and alarm status. The system includes both acoustic and visual alarms via the 423 MCS-AL02 module, providing immediate notification of fault conditions.

A yellow LED indicator shows when mains supply is present, while multiple dry-contact outputs allow for remote alarm signalling. The control box can be connected to a variety of external alarm triggers such as probes, float switches, pressure switches, and more.

The built-in automatic charger maintains the internal 12V / 1.3Ah battery, offering up to 20 hours of autonomy in the event of a power failure. Four cable glands are included for straightforward installation and secure cable entry.

Key Features

230V / 1-phase mains-powered alarm box with battery backup
Robust ABS enclosure (250 × 200 × 110 mm) with clear polycarbonate inspection window
Integrated acoustic and visual alarms (423 MCS-AL02 alarm module)
Yellow LED indicator confirms mains supply presence
Supports remote alarm triggering via probes, float switches, or pressure switches (C11–C12)
Dry-contact terminals for remote light alarm output (17–18)
Dry-contact terminals for remote audible alarm output (14–15)
Automatic battery charger with included 12V / 1.3Ah backup battery
Up to 20 hours of battery autonomy
Supplied with four cable glands for easy installation

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