Alarm/detector accessory SATEL ZB-1 — black, input current 7 A, operating voltage 10.5 V, 27 g

SATEL ZB-1 is a compact black accessory for alarm and detector installations that protects 12 V gel or AGM batteries from deep discharge. The module monitors battery voltage and automatically disconnects the load if the voltage falls to a dangerously low level, preventing permanent battery damage and prolonging battery service life. Designed for integration with alarm panels, access control and video systems that lack built-in low-voltage protection, the ZB-1 provides a simple protective interface with a maximum continuous load current of 7 A and an operating voltage threshold around 10.5 V. The unit is supplied as a single piece and weighs 27 g.

Advantages

The ZB-1 offers automatic battery protection without requiring changes to existing power supplies, making it suitable for retrofitting systems that do not include low-voltage disconnect functions. Its compact form factor and low weight enable easy mounting inside control cabinets or enclosures. By disconnecting the load when battery voltage is critically low, it helps maintain battery health and reduces the need for frequent battery replacements. The device is compatible with a wide range of SATEL systems and other security devices that operate from 12 V gel or AGM batteries.

Suitable for

• Alarm control panels and detector installations lacking low-voltage disconnect
• Access control systems powered from a 12 V gel or AGM battery
• Video systems or cameras with battery-backed power supplies
• Retrofit projects where battery protection must be added without replacing the power supply

Key specifications

• Intended battery type: 12 V gel or AGM
• Operating voltage threshold: 10.5 V (disconnect point)
• Maximum continuous load current: 7 A
• Function: automatic battery load disconnect to prevent deep discharge
• Color and form: black compact module
• Weight: 27 g
• Pack quantity: 1 piece

How to use

Install the ZB-1 in the power line between the 12 V battery and the device(s) to be protected, following the system wiring diagram and safety rules. Ensure correct polarity when connecting the battery and load. After installation the module monitors battery voltage continuously and will automatically cut the load when voltage falls below the disconnect threshold; it will reconnect when battery voltage returns above the allowed level. No configuration is required for basic operation, but verify compatibility with the specific alarm or control panel used and the battery type before permanent installation.

Usage recommendations

Use the ZB-1 with 12 V gel or AGM batteries only, and ensure the total connected load does not exceed 7 A. Install the module in an indoor enclosure with adequate ventilation and away from heat sources. For systems that already include manufacturer-specified low-voltage protection, confirm whether an additional device is necessary. Periodically check battery condition and wiring to ensure reliable operation.