Hikvision Wired 4-way Low Current Relay (DS-PM1-O4L-H)

The Hikvision Wired 4-way Low Current Relay (DS-PM1-O4L-H) is designed to provide stable relay expansion for professional security systems. With support for up to 4 on-board low current relays and 6–30V, 5A current, this device is perfect for integrating additional control outputs into alarm setups. It also offers a dedicated 500mA power output, ensuring reliable performance in different applications.

Advanced Connectivity and Secure Design

Powered by Speed-X technology, the DS-PM1-O4L-H relay module allows seamless expander cascading with an uplink port for the control panel and a downlink port for additional expanders. It comes with tamper-proof protection on both the front and rear, preventing unauthorized interference. Clear LED indicators for power and fault status make monitoring simple and efficient.

Compact, Durable, and Easy to Install

Engineered for convenience, this relay expander runs on 11–24VDC (12VDC typical) and has low power consumption. Its compact size of 110 × 155 × 32.5 mm and lightweight build make installation straightforward in any environment. Built from durable plastic and capable of operating in temperatures from -10°C to +40°C, the Hikvision Wired 4-way Low Current Relay (DS-PM1-O4L-H) is a dependable choice for enhancing system flexibility and reliability.

Hardware Features

• 4 On-board Low Current Relays (supports 6–30V, up to 5A current)

• 1 Power Output (maximum 500mA)

• 1 TTL Serial Port

• Tamper-proof (front and rear protection)

• Bus: 2 × Speed-X (1 uplink to control panel, 1 downlink for cascading expanders)

Display

• LED Indicators:

  • Power (status)

  • Fault (status)

Electrical Characteristics

• Power Supply: 11–24 VDC

• Typical Voltage: 12 VDC

• Power Consumption:

  • Maximum Current: 153mA @ 12VDC

  • Quiescent Current: 70mA @ 12VDC

• Output Current: Maximum 500mA

• Output Voltage: 9–12 VDC

General

• Dimensions: 110 × 155 × 32.5 mm

• Weight: 285 g

• Shell Material: Plastic

• Operating Temperature: -10°C to +40°C

• Operating Humidity: 10% – 90%

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