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Image source: Morningstar MRC-1 MeterBus to EIA-485 adapter, from Morningstar's own product page whose heading prints MRC-1 (image captured November 2, 2026): a top view, shown on a white background; the label reads Model: MRC-1No sellers found.
Printed as "(Model: MRC-1)" in the description.
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description
Documented
Printed as "The Meterbus-485 Adapter (Model: MRC-1) converts the Morningstar MeterBus RJ-11 serial interface to a standard EIA-485 interface." and "Includes RJ-11 cable and removable four (4) position EIA-485 terminal".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description and features
Documented
Converted: 37 g / 1000 g/kg = 0.037 kg
Printed as "Weight 37 g (1.3 oz)" (written in kg).
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Weight
Converted
Printed as "The Meterbus-485 Adapter (Model: MRC-1) converts the Morningstar MeterBus RJ-11 serial interface to a standard EIA-485 interface." and "By providing isolated 12V power out to a 485 network, this device eliminates the need for an external bus power source in many applications (e.g. a separate 24V-12V converter on 24V systems)."
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description
Documented
Printed as "Meterbus device system battery voltage >11V Self-consumption (MRC-1 power switch ON) ~ 8mA Consumption (while communicating) ~18mA".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications
Documented
Printed as "Dimensions 3.2 X 1.4 X .9 in (80 x 35 x 23 mm)"; no axes are named, so the figures are kept in printed order.
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Dimensions
Calculated
Printed as "Molded tabs for attachment to 35mm standard DIN rail".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, features
Documented
Printed as "The Meterbus-485 Adapter (Model: MRC-1) converts the Morningstar MeterBus RJ-11 serial interface to a standard EIA-485 interface." and "Can also be used for EIA-485 communications with any third-party hardware that supports Modbus communication".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description and features
Documented
Printed as "Enclosure IP20".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Enclosure
Documented
Printed as "The Meterbus-485 Adapter (Model: MRC-1) converts the Morningstar MeterBus RJ-11 serial interface to a standard EIA-485 interface." and "Includes RJ-11 cable and removable four (4) position EIA-485 terminal".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description and features
Documented
Converted: 37 g / 1000 g/kg = 0.037 kg
Printed as "Weight 37 g (1.3 oz)" (written in kg).
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Weight
Converted
Printed as "The Meterbus-485 Adapter (Model: MRC-1) converts the Morningstar MeterBus RJ-11 serial interface to a standard EIA-485 interface." and "By providing isolated 12V power out to a 485 network, this device eliminates the need for an external bus power source in many applications (e.g. a separate 24V-12V converter on 24V systems)."
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description
Documented
Printed as "Meterbus device system battery voltage >11V Self-consumption (MRC-1 power switch ON) ~ 8mA Consumption (while communicating) ~18mA".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications
Documented
Printed as "Dimensions 3.2 X 1.4 X .9 in (80 x 35 x 23 mm)"; no axes are named, so the figures are kept in printed order.
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Dimensions
Documented
Printed as "Molded tabs for attachment to 35mm standard DIN rail".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, features
Documented
Printed as "The Meterbus-485 Adapter (Model: MRC-1) converts the Morningstar MeterBus RJ-11 serial interface to a standard EIA-485 interface." and "Can also be used for EIA-485 communications with any third-party hardware that supports Modbus communication".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description and features
Documented
Printed as "Enclosure IP20".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Enclosure
Documented
Printed as "Compatible with: ProStar MPPT and PWM controllers, SunSaver MPPT controller, SunSaver Duo Controller, SureSine Classic inverter."
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, description
Documented
Printed as "Includes RJ-11 cable and removable four (4) position EIA-485 terminal".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, features
Documented
The certification lines as printed (the CE mark beside the certifications heading). Manufacturer claims; no issuer directory was checked.
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 1, certifications
Documented
Printed as "Operating Temperature -40 C to +60 C".
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, Operating Temperature
Documented
Published claims and calculations, not independent test results.
Listed in Morningstar's support library https://www.morningstarcorp.com/support/library/; captured 2026-11-02T04:27:34.868Z (archived copy).
Location: PDF page 1 (description, features); PDF page 2, Technical Specifications
Retrieved
Morningstar's own Meterbus-to-EIA-485 Adapter datasheet (Control # MS-004186, 07/09/2024), model MRC-1, listed in Morningstar's support library (https://www.morningstarcorp.com/support/library/) and fetched directly from morningstarcorp.com with the paced research fetcher on November 2, 2026 (robots.txt read first; request ended 04:27:34.868 UTC). Manufacturer claims, not independent tests.
Archived copy of a document published by Morningstar. 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 Morningstar published. Original address: https://www.morningstarcorp.com/wp-content/uploads/datasheet-meterbus-eia-485-adapter-en.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 3934da1661b2cf366155287f4310c7cf11773e28c0b3a492006471665e3b9c18
Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.
Archived copy of a document published by Morningstar. 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 Morningstar published. Original address: https://www.morningstarcorp.com/wp-content/uploads/datasheet-meterbus-eia-485-adapter-en.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 3934da1661b2cf366155287f4310c7cf11773e28c0b3a492006471665e3b9c18
Printed once as "WARRANTY - Five year limited warranty". The datasheet prints no further terms.
Official datasheet: Morningstar Meterbus-to-EIA-485 Adapter datasheet (MS-004186, 07/09/2024) (November 2, 2026 capture) Rev MS-004186 07/09/2024 · Checked · Earlier documentLocation: PDF page 2, WARRANTY
Documented
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Manufacturer SKU MRC-1
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