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Morningstar ReadyShunt Block, Shunt Sold Separately (RB-SHUNT)

Model: RB-SHUNT · SKU: RB-SHUNT

Prepared Nov 12, 2026

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Common specifications

Device type	ReadyBlock add-on for shunt-based battery and current monitoring (two shunt inputs); shunt sold separatelySource [1]
Communications	Not documented
Supported devices	Morningstar host components with the ReadyRail expansion system, such as the GenStar MPPT; Morningstar shunts (SHUNT-500-50, SHUNT-100-50, SHUNT-50-50) and others, 50 mV or 100 mVSource [1]
Ports	2 shunt inputsSource [1]
Display	Not documented
Power input	Not documented
Mounting	35 mm DIN rail / ReadyRailSource [1]
Enclosure	IP 20; Type 1; IndoorSource [1]
Operating temperature	-40 to 60 °C-40 to 140 °F convertedSource [1]
Weight	0.07 kg0.15 lb convertedCalculatedSource [1]
Dimensions	100.5 D × 22.2 D × 61.5 D mm3.96 D × 0.87 D × 2.42 D in convertedSource [1]
Enclosure volume	0.14 L** Calculated from recorded external dimensions
Warranty term	Not documented

All recorded specifications

Device type	ReadyBlock add-on for shunt-based battery and current monitoring (two shunt inputs); shunt sold separatelyDocumented claim Conditions Printed as " ReadyShunt Block: Shunt sold separately. A snap-in ReadyBlock enabling complete intelligent monitoring and battery or external current monitoring including key metrics energy in/out (Amp hours), current measurement for system sources and loads, and more" and "Number of Shunt Inputs 2". Location: PDF page 2, footnotes and specification table Printed as " ReadyShunt Block: Shunt sold separately. A snap-in ReadyBlock enabling complete intelligent monitoring and battery or external current monitoring including key metrics energy in/out (Amp hours), current measurement for system sources and loads, and more" and "Number of Shunt Inputs 2". Location: PDF page 2, footnotes and specification table Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Dimensions	100.5 D × 22.2 D × 61.5 D mm3.96 D × 0.87 D × 2.42 D in convertedDocumented claim Conditions Printed as "Dimensions 3.96 x 0.874 x 2.42 in (100.5 x 22.2 x 61.5 mm)"; no axes are named, so the figures are kept in printed order. Location: PDF page 2, specification table, Dimensions Printed as "Dimensions 3.96 x 0.874 x 2.42 in (100.5 x 22.2 x 61.5 mm)"; no axes are named, so the figures are kept in printed order. Location: PDF page 2, specification table, Dimensions Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Enclosure	IP 20; Type 1; IndoorDocumented claim Conditions Printed as "Enclosure Rating IP 20; Type 1; Indoor". Location: PDF page 2, Mechanical, Enclosure Rating Printed as "Enclosure Rating IP 20; Type 1; Indoor". Location: PDF page 2, Mechanical, Enclosure Rating Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Mounting	35 mm DIN rail / ReadyRailDocumented claim Conditions Printed as "Mounting 35 mm DIN rail / ReadyRail". Location: PDF page 2, Mechanical, Mounting Printed as "Mounting 35 mm DIN rail / ReadyRail". Location: PDF page 2, Mechanical, Mounting Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Operating temperature	-40 to 60 °C-40 to 140 °F convertedDocumented claim Conditions Printed as "Operating Temperature -40ºC to +60ºC". Location: PDF page 2, Environmental, Operating Temperature Printed as "Operating Temperature -40ºC to +60ºC". Location: PDF page 2, Environmental, Operating Temperature Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Ports	2 shunt inputsDocumented claim Conditions Printed as "Number of Shunt Inputs 2". Location: PDF page 2, specification table Printed as "Number of Shunt Inputs 2". Location: PDF page 2, specification table Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Supported devices	Morningstar host components with the ReadyRail expansion system, such as the GenStar MPPT; Morningstar shunts (SHUNT-500-50, SHUNT-100-50, SHUNT-50-50) and others, 50 mV or 100 mVDocumented claim Conditions Printed as "available in Morningstar “host” components featuring the ReadyRail expansion system", "ReadyShunt installed in a GenStar MPPT charger", "Compatible with Morningstar shunts along with others", "Highly configurable, and able to accommodate a wide range of shunt sizes with both 50mV and 100mV scaling options." and "Add-on Items SHUNT-500-50, SHUNT-100-50, SHUNT-50-50". Location: PDF page 1, description and features; PDF page 2, Versions and Electrical Printed as "available in Morningstar “host” components featuring the ReadyRail expansion system", "ReadyShunt installed in a GenStar MPPT charger", "Compatible with Morningstar shunts along with others", "Highly configurable, and able to accommodate a wide range of shunt sizes with both 50mV and 100mV scaling options." and "Add-on Items SHUNT-500-50, SHUNT-100-50, SHUNT-50-50". Location: PDF page 1, description and features; PDF page 2, Versions and Electrical Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]
Weight	0.07 kg0.15 lb convertedCalculated70 g / 1000 g/kg = 0.07 kg Conditions Printed as "Weight ~2.5 Ounces (70 Grams)", an approximate figure, (written in kg). Location: PDF page 2, Mechanical, Weight Printed as "Weight ~2.5 Ounces (70 Grams)", an approximate figure, (written in kg). Location: PDF page 2, Mechanical, Weight Official datasheet · Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

Morningstar ReadyShunt datasheet (MS-003814, 03/07/2023) (November 2, 2026 capture)Official datasheet · Revision MS-003814 03/07/2023 · Checked Nov 1, 2026https://www.morningstarcorp.com/wp-content/uploads/datasheet-readyshunt-en.pdf