Circuit Protection Calculator

Calculate precise fuse ratings, breaker specifications, and electrical safety requirements for reliable smart lock operation. Ensure optimal circuit protection and system safety.

Circuit Protection Calculator

Enter electrical specifications to calculate circuit protection requirements

Load Specifications

System Voltage

Total Load Current

amps

Combined current draw of all connected devices

Inrush Current

amps

Peak current during startup (typically 2-5x normal current)

Load Type

Duty Cycle

Circuit Configuration

Circuit Type

Wire Run Length

feet

Wire Gauge (AWG)

Conduit/Installation Type

Ambient Temperature

°F

Maximum expected ambient temperature

Protection Requirements

Protection Type

Available Fault Current

amps

Maximum short-circuit current available

Selective Coordination

Arc fault protection required

Ground fault protection required

Surge protection required

Environmental Factors

Installation Location

Vibration Level

Application Type

Protection Specifications

Enter specifications to see protection calculations

Safety Analysis

Safety analysis will appear after calculation

Precise Calculations

Calculate exact fuse ratings, breaker specifications, and protection device sizing based on load characteristics, fault currents, and safety requirements.

Safety Compliance

Ensure electrical safety compliance with NEC standards, selective coordination requirements, and proper protection device selection for reliable operation.

Professional Guidance

Receive detailed recommendations for protection device selection, installation requirements, and safety considerations for professional-grade installations.