Nauti-Tech Systems is proud to introduce the SPM- K-Series© (previously known as the Nauti-Combine K-Series). Offering the most complete system to enhance, manage & safely stabilize the power demands & distribution on your vessel.
The SPM is available in multiple configurations for your convenience. This series allows the combining of two shore power isolation transformers into a single higher current AC voltage bus with ease. In addition is the automatic & smart switching between generators and shore power, and our newest feature allows seamless transfer between two generators without any interruptions.
Whether you are docked, or offshore, the SPM will help keep your power needs satisfied all while providing some of the most advance safety features out on the market.
Single or Dual load bus (Tie-Bar)
Allows combining of your sources & load busses
Safe disconnect
Detects if shore power cable is not connected properly and un-combines for safe disconnect
Shore Power combine
Allows the combining of two shore cables
Reverse Phase detection & Correction
Detects when shore power is disconnected or wrongly wired
Monitoring & metering
Constantly monitors and meters these important values in order to make intelligent and safe decisions
Real Time Event Logs
Important events logged for easy tracking or troubleshooting

HMI Screens
Daisy Chainable capacitive touch
3 inch HMI Touch Screen
5 inch HMI Touch Screen
7 inch HMI Touch Screen
Part#s: NC-SN3, NC-SN5, NC-SN7
Transformer compatibility
All Hubbell Marine Transformers
All Charles™ Marine Transformers
Any boost or isolation Transformers
*Note: Both Transformers to be combined must have similar characteristics


Nauti-Boost Series
Compatible with any ISO Boost Transformer
Auto Boost / Manual Boost
Compensates for low shore voltage (up to 15%)
AC Metering displayed on LCD
Accessible via web interface (wifi)
Retrofit available for Charles™ & Hubbell Transformers