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MidNite Solar MNLSOB-T1-600 Little SOB DC rapid shutdown transmitter

Model: MNLSOB-T1-600 · SKU: Not documented

Prepared Nov 12, 2026

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Common specifications

Device type	DC TransmitterSource [1]
Rapid shutdown compliance	Not documented
Maximum input power	Not documented
Maximum input voltage	Not documented
Maximum input current	Not documented
Output voltage	Not documented
Maximum output current	Not documented
Communications	Encoded 484.84 kHz tone inductively coupled into the string PV+ lineSource [1]
Efficiency	Not documented
Operating temperature	Not documented
Enclosure	Not documented
Safety listing	Not documented
Weight	Not documented
Dimensions	Not documented
Enclosure volume	Not documented
Warranty term	Not documented

All recorded specifications

Communications	Encoded 484.84 kHz tone inductively coupled into the string PV+ lineDocumented claim Conditions Printed as "The transmitter generates a signal which is inductively coupled into the string PV+ line. The signal consists of an encoded 484.84 kHz tone." Page 5 says either the plus or minus string wire may go through the transmitter output coil, but not both. A signalling method, not a statement of compatibility with any other product. Location: Page 1, System Function Printed as "The transmitter generates a signal which is inductively coupled into the string PV+ line. The signal consists of an encoded 484.84 kHz tone." Page 5 says either the plus or minus string wire may go through the transmitter output coil, but not both. A signalling method, not a statement of compatibility with any other product. Location: Page 1, System Function Official installation manual · MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) [1]
Device type	DC TransmitterDocumented claim Conditions Page 1 captions an image "DC Transmitter"; Page 4 prints "12 Volt transmitter: Connect the red wire to +12 to 16 VDC and black wire to negative", and the page 7 drawing ("MNLSOB-T1-600 and MNLSOB-R1-600 shown") labels the transmitter "12 to 16 Volts 250 mA DC". Part of the Little SOB transmitter and receiver rapid shutdown system; the transmitter signal keeps the receivers connected. Location: Page 1, product image captions; page 5, Ratings; page 7, drawing Page 1 captions an image "DC Transmitter"; Page 4 prints "12 Volt transmitter: Connect the red wire to +12 to 16 VDC and black wire to negative", and the page 7 drawing ("MNLSOB-T1-600 and MNLSOB-R1-600 shown") labels the transmitter "12 to 16 Volts 250 mA DC". Part of the Little SOB transmitter and receiver rapid shutdown system; the transmitter signal keeps the receivers connected. Location: Page 1, product image captions; page 5, Ratings; page 7, drawing Official installation manual · MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) [1]
Power input	12-16VDC 250 mA max.Documented claim Conditions Printed as "MNLSOB-T1-600 12-16VDC 250 mA max." in the page 5 Ratings. Removing this power initiates rapid shutdown (page 5 Note 4 and the wiring drawings). The "-600" in the code is not a 600 volt supply rating. Location: Page 5, Ratings; page 7, drawing Printed as "MNLSOB-T1-600 12-16VDC 250 mA max." in the page 5 Ratings. Removing this power initiates rapid shutdown (page 5 Note 4 and the wiring drawings). The "-600" in the code is not a 600 volt supply rating. Location: Page 5, Ratings; page 7, drawing Official installation manual · MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N)Official installation manual · Revision 10-349-1 REV N · Checked Oct 30, 2026https://www.midnitesolar.com/pdfs/10-349-1_REV_N_Little_SOB_Instructions.pdf