LD-330 Power Sequencer product image

Product Overview

The Harmonai LD-330 is a professional-grade power sequencer designed for intelligent power management in applications such as stage lighting, audio equipment, and conference systems. It features built-in high-quality 30A relays, supports 8-channel sequential control (1-second delay per channel) and 2 bypass outputs, delivering a total of 10 output channels to flexibly meet the power requirements of complex equipment setups. Equipped with a real-time AC voltage display and universal socket design, it balances functionality and broad compatibility.

Relay Specification

High-quality 30A relay

Independent Control

Independent on/off switch per channel

Sequential Control Channels

8 channels (1-second delay per channel)

Bypass Outputs

2 channels

Total Output Channels

10 channels (8 sequential + 2 bypass)

Voltage Display

AC voltage display showing real-time input voltage

Output Connectors

Universal socket per channel — compatible with various plug types

USB Power Supply

USB 5V output power supply

LED Illumination

LED indicator lighting

Typical Applications

The LD-330 power sequencer is widely used in live stage performances, conference rooms, KTV venues, theaters, and large-scale events — wherever centralized power management and equipment protection are required. Its sequential switching function prevents grid surges caused by simultaneous device startup, extending equipment service life.

Learn more about Harmonai professional audio and lighting equipment — contact our team for detailed quotations and technical support.