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APsmart RSD-D-20 Rapid Shutdown Device (446101)

Model: RSD-D-20 · SKU: 446101

Prepared Nov 12, 2026

Common specifications

Device type
Dual-input module-level rapid shutdown device, kept connected by the heartbeat signal of an APsmart Transmitter-PLC (PLC)Source [1]
Rapid shutdown compliance
NEC 2017, 2020 and 2023 (690.12); SunSpecSource [1]
Maximum input powerNot documented
Maximum input voltage
65 VSource [1]
Maximum input current
20 ASource [1]
Output voltageNot documented
Maximum output current
20 ASource [1]
Communications
PLCSource [1]
EfficiencyNot documented
Operating temperature
-40 to 75 °C-40 to 167 °F convertedSource [1]
Enclosure
NEMA Type 6P/IP68Source [1]
Safety listingNot documented
WeightNot documented
Dimensions
140 D × 50.6 D × 20 D mm5.51 D × 1.99 D × 0.79 D in convertedSource [1]
Enclosure volume0.14 L** Calculated from recorded external dimensions
Warranty termNot documented

All recorded specifications

Certifications (as printed)
NEC 2017, 2020&2023 (690.12); UL1741; CSA C22.2 No. 330-17; IEC/EN62109-1; FCC Part15; ICES-003Documented claim
Conditions

The safety and EMC compliance rows as printed for the RSD-D-20. Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Data (Model RSD-D-20), Features & Compliance, Safety Compliance and EMC Compliance

The safety and EMC compliance rows as printed for the RSD-D-20. Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Data (Model RSD-D-20), Features & Compliance, Safety Compliance and EMC Compliance

[1]
Communications
PLCDocumented claim
Conditions

Printed as "Communication Compliance PLC" (the communication row); the description says it receives a heartbeat signal from the APsmart Transmitter.

Location: PDF page 2, Technical Data (Model RSD-D-20), Features & Compliance

Printed as "Communication Compliance PLC" (the communication row); the description says it receives a heartbeat signal from the APsmart Transmitter.

Location: PDF page 2, Technical Data (Model RSD-D-20), Features & Compliance

[1]
Connector
Stäubli MC4 PV-KBT4&KST4Documented claim
Conditions

The 446101 ordering line prints "446101 1500V UL/1000V TUV, 20A, 2.4m cable, Stäubli MC4 PV-KBT4&KST4"; the Technical Data connector row prints "Input: Stäubli MC4 PV-KBT4&KST4 or Customize" and "Output: APsystems specified or Customized".

Location: PDF page 2, Ordering Information (446101); Technical Data, Connector

The 446101 ordering line prints "446101 1500V UL/1000V TUV, 20A, 2.4m cable, Stäubli MC4 PV-KBT4&KST4"; the Technical Data connector row prints "Input: Stäubli MC4 PV-KBT4&KST4 or Customize" and "Output: APsystems specified or Customized".

Location: PDF page 2, Ordering Information (446101); Technical Data, Connector

[1]
Device type
Dual-input module-level rapid shutdown device, kept connected by the heartbeat signal of an APsmart Transmitter-PLC (PLC)Documented claim
Conditions

The datasheet prints "RSD-D RAPID SHUTDOWN DEVICE", the feature "Dual-input channel" and the description "RSD-D meets SunSpec requirements, maintaining normal function by continually receiving a heartbeat signal from the APsmart Transmitter." and "The RSD-D executes rapid system shutdown when the Transmitter signal is absent."

Location: PDF page 1, description and features

The datasheet prints "RSD-D RAPID SHUTDOWN DEVICE", the feature "Dual-input channel" and the description "RSD-D meets SunSpec requirements, maintaining normal function by continually receiving a heartbeat signal from the APsmart Transmitter." and "The RSD-D executes rapid system shutdown when the Transmitter signal is absent."

Location: PDF page 1, description and features

[1]
Dimensions
140 D × 50.6 D × 20 D mm5.51 D × 1.99 D × 0.79 D in convertedDocumented claim
Conditions

Printed as "140 mm x 50.6 mm x 20 mm" (5.5 by 2 by 0.8 inches) without cable and connectors; no axes are named, so the figures are kept in printed order.

Location: PDF page 2, Technical Data (Model RSD-D-20), Mechanical Data, Dimensions

Printed as "140 mm x 50.6 mm x 20 mm" (5.5 by 2 by 0.8 inches) without cable and connectors; no axes are named, so the figures are kept in printed order.

Location: PDF page 2, Technical Data (Model RSD-D-20), Mechanical Data, Dimensions

[1]
Enclosure
NEMA Type 6P/IP68Documented claim
Conditions

Printed as "Enclosure Rating NEMA Type 6P/IP68".

Location: PDF page 2, Technical Data (Model RSD-D-20), Mechanical Data, Enclosure Rating

Printed as "Enclosure Rating NEMA Type 6P/IP68".

Location: PDF page 2, Technical Data (Model RSD-D-20), Mechanical Data, Enclosure Rating

[1]
Input voltage range
8 to 65 VDocumented claim
Conditions

Printed as "Range of Input Operating Voltage 8-65V Per Channel": per input channel.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Range of Input Operating Voltage

Printed as "Range of Input Operating Voltage 8-65V Per Channel": per input channel.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Range of Input Operating Voltage

[1]
Maximum input current
20 ADocumented claim
Conditions

Printed as "Maximum Cont. Input Current (Imax) 20A Per Channel": per input channel; the 446101 ordering line prints 20A.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Maximum Cont. Input Current (Imax)

Printed as "Maximum Cont. Input Current (Imax) 20A Per Channel": per input channel; the 446101 ordering line prints 20A.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Maximum Cont. Input Current (Imax)

[1]
Maximum input voltage
65 VDocumented claim
Conditions

The top of the printed input operating voltage range, "8-65V Per Channel": per input channel.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Range of Input Operating Voltage

The top of the printed input operating voltage range, "8-65V Per Channel": per input channel.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Range of Input Operating Voltage

[1]
Maximum output current
20 ADocumented claim
Conditions

Printed as "Maximum Cont. Output Current 20A".

Location: PDF page 2, Technical Data (Model RSD-D-20), Output Data (DC), Maximum Cont. Output Current

Printed as "Maximum Cont. Output Current 20A".

Location: PDF page 2, Technical Data (Model RSD-D-20), Output Data (DC), Maximum Cont. Output Current

[1]
Maximum system voltage
1500 V (UL), 1000 V (TUV)Documented claim
Conditions

The 446101 ordering line prints "1500V UL/1000V TUV"; the maximum system voltage row prints "1000V (Model: RSD-D-20-1000)" and "1500V (Model: RSD-D-20-1500)".

Location: PDF page 2, Technical Data (Model RSD-D-20), Output Data (DC), Maximum System Voltage; PDF page 2, Ordering Information

The 446101 ordering line prints "1500V UL/1000V TUV"; the maximum system voltage row prints "1000V (Model: RSD-D-20-1000)" and "1500V (Model: RSD-D-20-1500)".

Location: PDF page 2, Technical Data (Model RSD-D-20), Output Data (DC), Maximum System Voltage; PDF page 2, Ordering Information

[1]
Operating temperature
-40 to 75 °C-40 to 167 °F convertedDocumented claim
Conditions

Printed as "-40 oF to +167 oF (-40 °C to + 75 °C)" (the degree signs of the Fahrenheit figures are set as a raised o).

Location: PDF page 2, Technical Data (Model RSD-D-20), Mechanical Data, Operating Ambient Temperature Range

Printed as "-40 oF to +167 oF (-40 °C to + 75 °C)" (the degree signs of the Fahrenheit figures are set as a raised o).

Location: PDF page 2, Technical Data (Model RSD-D-20), Mechanical Data, Operating Ambient Temperature Range

[1]
Output voltage range
16 to 130 VDocumented claim
Conditions

Printed as "Range of Output Operating Voltage 16-130V".

Location: PDF page 2, Technical Data (Model RSD-D-20), Output Data (DC), Range of Output Operating Voltage

Printed as "Range of Output Operating Voltage 16-130V".

Location: PDF page 2, Technical Data (Model RSD-D-20), Output Data (DC), Range of Output Operating Voltage

[1]
PV short-circuit current limit
25 ADocumented claim
Conditions

Printed as "25A" in the Maximum Short Circuit Current (Isc) row.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Maximum Short Circuit Current (Isc)

Printed as "25A" in the Maximum Short Circuit Current (Isc) row.

Location: PDF page 2, Technical Data (Model RSD-D-20), Input Data (DC), Maximum Short Circuit Current (Isc)

[1]
Rapid shutdown compliance
NEC 2017, 2020 and 2023 (690.12); SunSpecDocumented claim
Conditions

Printed in the features as "Meets NEC 2017, 2020&2023 (690.12) requirements" and "Meets SunSpec requirements". Manufacturer claim; no issuer directory was checked.

Location: PDF page 1, features

Printed in the features as "Meets NEC 2017, 2020&2023 (690.12) requirements" and "Meets SunSpec requirements". Manufacturer claim; no issuer directory was checked.

Location: PDF page 1, features

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. APsmart RSD-D rapid shutdown device datasheet (REV2.5, 2026-05-06) (November 2, 2026 capture)Official datasheet · Revision REV2.5 · Checked https://apsmartglobal.com/wp-content/uploads/2026/05/RSD-D-Datasheet_EN_REV2.5_2026-05-06.pdf