Complies with the requirements of Chinese National Standard GB 28184-2011 Power Supply Monitoring System for Fire Protection Equipment.

Monitors the operating status of main and backup power supplies for fire protection equipment.

Detects faults including overvoltage, undervoltage, phase loss, overcurrent and other faults of main and backup power supplies for fire protection equipment.

Monitors power interruption faults of main and backup power supplies for fire protection equipment.

Non-polar signal two-wire bus facilitates construction and wiring and avoids wiring errors.

Supports automatic address assignment to eliminate complicated on-site operations.

Operating current ＜ 3mA, wide voltage input.