The ALLNET MSR IO ALL4427 is a durable 4-channel relay module designed for controlling various electrical devices.

• Main Features:
• Reliable control of high voltage and current.
• Designed to control up to four electrical devices simultaneously.

• Technical Specifications:
• Relay Type: 4 channels with single-pole, normally open (NO) contacts.
• Voltage and Current: Up to 250V AC and 10A per relay channel.
• Chip: PCF8574 for communication via I2C bus.
• Connectivity: Two RJ45 sockets for easy integration.
• Multiplexing: Supports connecting multiple modules on a single I2C bus.
• LED Indicators: Power, bus, and relay output indicators.

• Environmental Specifications:
• Operating Temperature: -45°C to 90°C.
• Operating Humidity: 10% to 85% (non-condensing).
• Storage Temperature: -20°C to 60°C.
• Storage Humidity: 5% to 90% (non-condensing).

The ALL4427 is compatible with the ALL34xx, 3500, 4500, and 5000 series models, offering easy integration into existing networks. Its rugged design and advanced features make it an ideal choice for a variety of automation applications, ensuring reliable and efficient control of electrical loads.