APC UPS (SNMP)

A Home Assistant custom integration for APC UPS devices via SNMP, providing detailed monitoring and control beyond the built-in APC integration.

Supported Devices

• APC Smart-UPS series
• APC Back-UPS Pro series
• APC Symmetra series
• Any APC UPS with a network management card supporting SNMP

Features

• Battery status, charge level, runtime remaining
• Input/output voltage, frequency, and load monitoring
• Temperature sensors
• Binary sensors for on-battery, low-battery, and fault states
• Switch entities for outlet control
• Button entities for UPS test and diagnostics
• Diagnostics download support

Installation

HACS (Recommended)

1. Open HACS in Home Assistant
2. Click the three dots menu → Custom repositories
3. Add https://github.com/LucMathlin/ha-apc-ups-snmp with category Integration
4. Search for "APC UPS" and install
5. Restart Home Assistant

Manual

1. Copy custom_components/apc_ups_snmp/ to your Home Assistant config/custom_components/ directory
2. Restart Home Assistant

Configuration

1. Go to Settings → Devices & Services → Add Integration
2. Search for "APC UPS (SNMP)"
3. Enter the SNMP host, port, and community string
4. Configure polling interval as needed

Requirements

• SNMP-enabled APC UPS (network management card installed)
• Network connectivity to the UPS management interface