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Page 1 captions the image "1000V Receiver"; page 6 prints "600 Volt receiver shown. Applies to all receivers 600 V and 1000 V."; page 5 Ratings name MNLSOB-R1-1000 with 1000VDC. Part of the Little SOB transmitter and receiver rapid shutdown system.
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 1, product image captions; page 5, Ratings
Documented
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." The receiver connects the string when it detects a valid signal and shuts off 5 seconds after the signal goes away (page 1); page 7 says the receiver opens the circuit within a few seconds of the signal being interrupted.
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 1, System Function
Documented
Printed as "12 AMPS MAX" for MNLSOB-R1-1000 in the page 5 Ratings line "MNLSOB-R1-1000 1000VDC 12 AMPS MAX - 80 VDC Panel Voltage". No temperature or other condition is printed with it.
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 5, Ratings
Documented
Printed as "1000VDC" for MNLSOB-R1-1000 in the page 5 Ratings: total string voltage. Page 1 prints that any module the receiver is attached to "must not exceed 80V open circuit and (depending on receiver model) 600 or 1000 volts total string voltage"; the 80 VDC panel voltage limit is per module, not this string figure. Page 9 prints "MNLSOB-R1-1000 1000 Volts Maximum string voltage".
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 5, Ratings; page 1, MNLSOB System Overview
Documented
Page 1 captions the image "1000V Receiver"; page 6 prints "600 Volt receiver shown. Applies to all receivers 600 V and 1000 V."; page 5 Ratings name MNLSOB-R1-1000 with 1000VDC. Part of the Little SOB transmitter and receiver rapid shutdown system.
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 1, product image captions; page 5, Ratings
Documented
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." The receiver connects the string when it detects a valid signal and shuts off 5 seconds after the signal goes away (page 1); page 7 says the receiver opens the circuit within a few seconds of the signal being interrupted.
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 1, System Function
Documented
Printed as "12 AMPS MAX" for MNLSOB-R1-1000 in the page 5 Ratings line "MNLSOB-R1-1000 1000VDC 12 AMPS MAX - 80 VDC Panel Voltage". No temperature or other condition is printed with it.
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 5, Ratings
Documented
Printed as "1000VDC" for MNLSOB-R1-1000 in the page 5 Ratings: total string voltage. Page 1 prints that any module the receiver is attached to "must not exceed 80V open circuit and (depending on receiver model) 600 or 1000 volts total string voltage"; the 80 VDC panel voltage limit is per module, not this string figure. Page 9 prints "MNLSOB-R1-1000 1000 Volts Maximum string voltage".
Official installation manual: MidNite Solar Little SOB (Shut Off Box) Installation and Use Guide (10-349-1 REV N) Rev 10-349-1 REV N · Checked · Earlier documentLocation: Page 5, Ratings; page 1, MNLSOB System Overview
Documented
Published claims and calculations, not independent test results.
Archived copy of the PDF obtained from MidNite Solar's own site on 2026-10-30, copied unchanged.
Location: Page 1, title, MNLSOB System Overview (red compatibility line) and System Function; pages 2 and 3, model lists; page 5, Ratings and Application Notes; page 10, limited warranty; footer 10-349-1 REV N
Retrieved
MidNite Solar's own ten-page Little SOB (Shut Off Box) Installation and Use Guide, linked on MidNite's Instructional Documentation page as "10-349-1 REV N Little SOB Instructions"; every footer prints 10-349-1 REV N and no issue date is printed (PDF metadata March 11, 2021 and server last-modified March 12, 2021 are file provenance, not a printed date). Every page was read rendered. Page 1 prints in red "NOT COMPATIBLE WITH DC CHARGE CONTROLLERS!", a line the PDF text layer omits, while its System Function text mentions "the inverter or charge controller"; both are kept, unresolved. Pages 2 and 3 list the models MNLSOB-T1-600, MNLSOB-T1-AC, MNLSOB-R1-600 and MNLSOB-1000; pages 5, 7 and 9 print MNLSOB-R1-1000 for the 1000 volt receiver. The English wire range (page 2, "14-10 gauge AWM") and French wire range (page 3, "calibre 14-1/0") differ and are kept as printed. Page 5 prints the ratings and application notes; page 10 this edition's limited warranty (MNLSOB ten years), kept as dated history. The NEC 2014 and 2017 690.12 statements are dated maker claims, not certifications. Installation steps are the maker's, not recorded as facts. Obtained by Alternative Research from MidNite Solar's own site on 2026-10-30T12:34:47Z (HTTP 200) and copied unchanged into this archive. Manufacturer claims, not independent tests.
Archived copy of a document published by MidNite Solar. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what MidNite Solar published. Original address: https://www.midnitesolar.com/pdfs/10-349-1_REV_N_Little_SOB_Instructions.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 5878dc69bd24923f388ac9f7a7c29cdada2346f06e6aacb7af8003cb64ff224e
Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.
Archived copy of a document published by MidNite Solar. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what MidNite Solar published. Original address: https://www.midnitesolar.com/pdfs/10-349-1_REV_N_Little_SOB_Instructions.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 5878dc69bd24923f388ac9f7a7c29cdada2346f06e6aacb7af8003cb64ff224e
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