The Hikvision DS-PM1-O4H-H is a wired 4-way power relay expander designed for the AX Hybrid Pro Intrusion Alarm System. It enables the control of high-power electrical devices such as lighting, gates, sirens, pumps, and other automation equipment through the Speed-X communication bus. With four onboard power relays, each capable of handling loads up to 16A, the module provides reliable switching for residential, commercial, and industrial automation applications.

The module supports Speed-X bus cascading, allowing multiple relay expanders to be connected using one uplink and one downlink Speed-X port for flexible system expansion. It also features front and rear tamper protection, a TTL serial port, and LED indicators for power and fault status, ensuring secure and dependable operation within the AX Hybrid Pro ecosystem.

Powered by 9–24 VDC, the DS-PM1-O4H-H offers low power consumption while maintaining stable performance. Its compact plastic enclosure makes installation simple and ideal for electrical cabinets and control panels where reliable automation and alarm integration are required.

Key Features

• Wired 4-way power relay expander for AX Hybrid Pro
• 4 onboard power relays, each supporting loads up to 16A
• Controls high-power electrical devices such as lights, gates, and pumps
• Speed-X bus communication technology
• Supports expander cascading with 1 uplink and 1 downlink Speed-X port
• Front and rear tamper protection
• TTL serial port for communication
• LED indicators for power and fault status
• Power supply: 9–24 VDC
• Low power consumption (maximum 210 mA @ 12 VDC)
• Compact enclosure for easy installation
• Compatible with Hikvision AX Hybrid Pro alarm systems