Reliable Automatic Mains Failure Control

The DSE4520 MKII is designed for generator systems that require automatic transfer between mains (utility) and backup power. It continuously monitors engine and electrical parameters, providing reliable switching during power loss.

With flexible configuration options and built-in protections, this controller is suitable for a wide range of diesel, gas, and petrol generator applications.

Key Features

• Automatic mains failure (AMF) control
• 3-phase generator and mains sensing
• Generator and load power monitoring (kW, kVA, pf)
• J1939 CAN support and alternator sensing
• Real-time clock and event logging
• Configurable inputs, outputs, and staged loading
• USB configuration via DSE software
• Large backlit LCD display with alarm indication

Technical Specifications

• DC Supply: 8–35V continuous
• Voltage Range: up to 415V (phase to neutral)
• Frequency Range: 3.5 Hz to 75 Hz
• Operating Temperature: -30°C to +70°C
• Dimensions: 140 x 113 x 43 mm

Full datasheet available upon request.

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The post Deep Sea Electronics DSE4520 MKII Auto Mains Failure Control Module (4520-05) appeared first on Power Systems Plus.

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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The Deep Sea Electronics DSE4620 Auto Start Control Module is a compact Auto Mains (Utility) Failure control module designed to automatically start and stop standby generators during a utility power outage. The controller provides advanced engine monitoring, generator protection, and power measurement in a compact panel-mounted enclosure.

Key Features

• Back-lit icon LCD display for clear generator status and alarms
• 3-phase generator and mains sensing for accurate power monitoring
• Generator and load power monitoring (kW, kVA, kVAr, power factor)
• Generator overload protection to safeguard engine performance
• Magnetic pick-up speed sensing for precise engine monitoring
• Configurable inputs and outputs for flexible installation
• Battery voltage monitoring and engine protection features
• Event log storing up to 50 alarms and operational events
• Compatible with DSE Configuration Suite PC software for easy setup

Dimensions

Overall Size
140 mm × 113 mm × 43 mm
(5.5″ × 4.4″ × 1.5″)

Panel Cutout Size
118 mm × 92 mm
(4.6″ × 3.6″)

Maximum Panel Thickness
8.0 mm (0.3″)

Weight
0.28 kg

Electrical Specifications

DC Supply

Continuous Voltage Rating
8 V to 35 V

Cranking Dropouts
Able to survive 0 V for 50 mS provided supply was at least 10 V before dropout and recovers to 5 V.

Maximum Operating Current
85 mA at 12 V
96 mA at 24 V

Maximum Standby Current
51 mA at 12 V
47 mA at 24 V

Maximum Sleep Current
35 mA at 12 V
32 mA at 24 V

Maximum Deep Sleep Current
<10 uA

Mains (Utility)

Voltage Range
15 V to 415 V AC (Ph-N)
26 V to 719 V AC (Ph-Ph)

Frequency Range
3.5 Hz to 75 Hz

Generator Sensing

Voltage Range
15 V to 415 V AC (Ph-N)
26 V to 719 V AC (Ph-Ph)

Frequency Range
3.5 Hz to 75 Hz

Outputs

Fuel Output (A)
10 A short term, 5 A continuous

Start Output (B)
10 A short term, 5 A continuous

Auxiliary Outputs (C–F)
2 A DC at supply voltage

Magnetic Pick-Up

Voltage Range
±0.5 V to 70 V

Maximum Frequency
10,000 Hz

Availability

Order the DSE4620 Auto Mains Failure Control Module online or message us to confirm availability and current lead time.

The post DSE4620 Auto Mains (Utility) Failure Control Module appeared first on Power Systems Plus.

The DSE 4610 is a compact auto start generator controller designed for reliable engine control, monitoring, and protection in single genset applications.

Built with a clear backlit LCD display and flexible configuration options, it provides accurate system monitoring and dependable automatic start functionality across a wide range of generator systems.

🔧 Key Features

• Backlit LCD display for clear system status
• 3-phase generator sensing
• Generator & load monitoring (kW, kVA, kVAr, power factor)
• Engine protection and overload shutdown
• Configurable inputs and outputs for flexible installation
• Fuel and crank outputs for automatic operation
• Magnetic pickup speed sensing
• Battery voltage monitoring
• Event logging (up to 50 events)
• Programmable via DSE Configuration Suite software

📐 Specifications

• Size: 140 mm x 113 mm x 43 mm
• Panel Cutout: 118 mm x 92 mm
• Max Panel Thickness: 8 mm
• Weight: 0.28 kg

⚡ Electrical & Performance

• Supply Voltage: 8V to 35V DC continuous
• Cranking Dropout: Survives 0V for 50 ms (no internal battery required)
• Operating Current:
  • 85 mA @ 12V
  • 96 mA @ 24V
• Standby Current:
  • 51 mA @ 12V
  • 47 mA @ 24V

🔌 Outputs

• Fuel Output: 10A short term, 5A continuous
• Start Output: 10A short term, 5A continuous
• Aux Outputs (C & D): 2A DC

⚙️ Generator & Engine Monitoring

• Voltage Range:
  • 15–415V (Phase to Neutral)
  • 26–719V (Phase to Phase)
• Frequency Range: 3.5 Hz to 75 Hz
• Magnetic Pickup:
  • Voltage: ±0.5V to 70V
  • Frequency: up to 10,000 Hz

🔄 Important: This Model is Obsolete

The DSE 4610 is no longer in production and has been discontinued.

The recommended replacement is the DSE G4500 Generator Controller, offering improved diagnostics, modern compatibility, and long-term support.

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