The DSE7420 MKII Auto Mains Failure Control Module is an advanced Auto Mains (Utility) Failure (AMF) controller designed for single diesel and gas generator applications. Manufactured by Deep Sea Electronics, this module continuously monitors both generator and utility power and automatically starts the generator and transfers the load when a utility outage occurs.

Ideal for commercial and industrial standby power systems, the DSE7420 MKII is commonly used in hospitals, apartment complexes, data centers, municipal buildings, telecommunications sites, manufacturing facilities, and other critical applications where uninterrupted power is essential.

Advanced Communications and Remote Monitoring

The DSE7420 MKII includes built-in Ethernet, USB, RS232, and RS485 communications, along with support for Modbus TCP, Modbus RTU, SNMP, and DSEWebNet integration. These features allow for remote monitoring, programming, and diagnostics from virtually anywhere.

The module is configured using the DSE Configuration Suite and also supports front-panel editing with multi-level PIN protection.

Key Features and Benefits

• Automatic generator start and stop during utility power failures
• Automatic load transfer to the generator when mains power is lost
• Three-phase generator and utility sensing with built-in protection
• Compatible with CAN and non-electronic diesel and gas engines
• Advanced PLC functionality with multi-purpose PID control
• Event logging and data logging of up to 20 parameters
• Dual mutual standby support for generator redundancy
• IP65-rated front panel with integrated gasket
• Backlit four-line LCD display with multiple language support
• Tier 4 ECU and ECM compatibility

Built for Modern Generator Systems

The DSE7420 MKII supports both open and closed transition transfer, including synchronization when used with compatible CAN engines and DSE CAN AVR systems. Its flexible inputs and outputs, DSENet expansion support, and customizable configurations make it suitable for a wide range of generator control applications. Key specifications and features are detailed in the official DSE7410/7420 MKII data sheet.

Dimensions and Mounting

• Overall size: 250 x 189 x 50.5 mm
• Panel cutout: 220 x 160 mm
• Maximum panel thickness: 8 mm

Order the DSE7420 MKII from Power Systems Plus

Power Systems Plus supplies genuine Deep Sea Electronics control modules to customers throughout the United States and Canada. Contact us to confirm availability, current lead times, and compatibility with your generator control system before placing your order.

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