Engineering Tools
Free online calculators for security integrators, low-voltage contractors, and industrial automation projects
CCTV Power Supply Calculator
Calculate required power supply wattage based on camera types and quantities, with automatic product recommendations.
Open Tool →Voltage Drop Calculator
Calculate DC power line voltage drop and verify terminal voltage meets device requirements.
Open Tool →Battery Charger Selector
Calculate charger voltage range and charge current based on battery type, capacity, and series count.
Open Tool →PoE Power Budget Calculator
Calculate total PoE power budget with cable loss and headroom, with automatic PoE PSU recommendations.
Open Tool →