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MidNite Solar MNLSOB-T1-AC Little SOB AC rapid shutdown transmitter

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

Prepared Nov 12, 2026

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Common specifications

Device type	AC 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	AC TransmitterDocumented claim Conditions Page 1 captions an image "AC Transmitter"; Page 4 prints "AC Transmitter: Connect black wires to 90-300 VAC 50-60 HZ", and the page 8 and page 9 drawings label an AC transmitter "90-300 VAC 3 Watts". 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 4 Page 1 captions an image "AC Transmitter"; Page 4 prints "AC Transmitter: Connect black wires to 90-300 VAC 50-60 HZ", and the page 8 and page 9 drawings label an AC transmitter "90-300 VAC 3 Watts". 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 4 Official installation manual · MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) [1]
Power input	90-300 VAC 50-60 Hz 3 WattsDocumented claim Conditions Printed as "MNLSOB-T1-AC 90-300 VAC 50-60 Hz 3 Watts" in the page 5 Ratings. Removing this power initiates rapid shutdown (page 5 Note 4 and the wiring drawings). Location: Page 5, Ratings; page 4 Printed as "MNLSOB-T1-AC 90-300 VAC 50-60 Hz 3 Watts" in the page 5 Ratings. Removing this power initiates rapid shutdown (page 5 Note 4 and the wiring drawings). Location: Page 5, Ratings; page 4 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