Deep Sea Electronics DSE103 Speed Switch Control

Deep Sea Electronics DSE103 MKII Speed Switch Control Module monitors the speed of an engine by detecting pulses from a magnetic pick-up device or alternative output.

Independent relays can be operated at different speed settings. The relays can be set between 0-400% of the engines rated running speed. This flexibility allows the module to be used for multiple application types including under/over speed and crank disconnect.

Deep Sea Electronics DSE103 Specifications :

DC Supply

Continuous Voltage Rating

  • 8 V to 35 V Continuous

Cranking Dropouts

Able to survive 0 V for 50 mS, providing supply was at least 10 V before dropout and supply recovers to 5 V. This is achieved without the need for internal batteries.

Maximum Operating Current

  • 95 mA at 12 V, 100 mA at 24 V

Minimum Operating Current

  • 21 mA at 12 V, 22 mA at 24 V

Deep Sea Electronics DSE103 Outputs

Trip 1 & 2

  • 16 A at 35 V DC/AC


  • 1mA Full Scale


Voltage Range

  • 15 V – 333 V AC (L-N) RMS

Frequency Range

  • 3.5 Hz to 75 Hz

Magnetic Pick Up

Voltage Range

+/- 0.7 V to 70 V RMS

Frequency Range

  • 10,000 Hz (max)

Overall Size
88 mm x 72 mm x 26 mm (3.4” x 2.8” x 1.0”)

Panel Cutout Size

Maximum Panel Thickness


Product Variants
0103-01 – 103MKII Speed Switch Control Module

Download : DSE103 MKII Data Sheet

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