Manufacturer and seller images. Configuration examples may include additional equipment.
ShopSolar: A MidNite Solar surge protector: a clear dome over blue components on a black threaded base, with red, black and green wires. Paid link.Paid link · price checked
Printed as the model "MNSPD-300-DC" on MidNite Solar's product page; the page also lists a 12-unit case, MNSPD-300-DC-12PK.
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: Model table
Documented
Printed as "The MidNite Solar Surge Protective Device (MNSPD) is a Type 1 device"; the product page prints "a Type 1 device per UL1449 rev3".
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 1 (Page 1 of 7)
Documented
Converted: 1 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Printed as "Ind: 1 Lb." in the Weight column (a 12-unit case: 10 lbs); converted from pounds.
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: Model table, Weight column
Converted
Printed as "UL Standard for Safety, UL 1449" and "CSA C22.2 No. 8-M1986" on the manual's first page; the product page prints "Type 1 device per UL1449 rev3" and "Listed by ETL for US & Canada". These are the maker's statements; no listing record was checked.
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 1 (Page 1 of 7)
Documented
Printed as "The MidNite Solar 300V DC Surge Protector Device (MNSPD) is a Type 1 device per UL1449 rev3".
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: DESCRIPTION
Documented
Converted: 4.4 x 3.8 x 3.5 in x 25.4 mm/in, rounded to 0.1 mm
Printed as "4.4"L x 3.8"W x 3.5"D" in the Size column; converted from inches. The individual box is printed as 5"L x 4"W x 4"D.
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: Model table, Size column
Calculated
Printed as "Environmental Rating - Type 4X (Outdoor)".
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "0 to 300 VDC (DC model)" in the chart's Nominal Voltage row; the product page prints "The DC SPD will work well on all DC circuits up to 300 volts as well as any 120/240 VAC circuits."
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 2 (Page 2 of 7), chart, Nominal Voltage row, MNSPD300AC and DC column
Documented
Printed as "Operating Temperature Range -40°c to +85°c", applying to all three voltages.
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 2 (Page 2 of 7), chart
Documented
Printed as "The MidNite Solar Surge Protective Device (MNSPD) is a Type 1 device"; the product page prints "a Type 1 device per UL1449 rev3".
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 1 (Page 1 of 7)
Documented
Converted: 1 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Printed as "Ind: 1 Lb." in the Weight column (a 12-unit case: 10 lbs); converted from pounds.
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: Model table, Weight column
Converted
Printed as "UL Standard for Safety, UL 1449" and "CSA C22.2 No. 8-M1986" on the manual's first page; the product page prints "Type 1 device per UL1449 rev3" and "Listed by ETL for US & Canada". These are the maker's statements; no listing record was checked.
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 1 (Page 1 of 7)
Documented
Printed as "The MidNite Solar 300V DC Surge Protector Device (MNSPD) is a Type 1 device per UL1449 rev3".
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: DESCRIPTION
Documented
Converted: 4.4 x 3.8 x 3.5 in x 25.4 mm/in, rounded to 0.1 mm
Printed as "4.4"L x 3.8"W x 3.5"D" in the Size column; converted from inches. The individual box is printed as 5"L x 4"W x 4"D.
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: Model table, Size column
Converted
Printed as "Environmental Rating - Type 4X (Outdoor)".
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "0 to 300 VDC (DC model)" in the chart's Nominal Voltage row; the product page prints "The DC SPD will work well on all DC circuits up to 300 volts as well as any 120/240 VAC circuits."
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 2 (Page 2 of 7), chart, Nominal Voltage row, MNSPD300AC and DC column
Documented
Printed as "Operating Temperature Range -40°c to +85°c", applying to all three voltages.
Official installation manual: MidNite Solar Surge Protective Device installation manual (10-055-1 REV E, 08/27/2018) Rev 10-055-1 REV E · August 27, 2018 · Checked · Earlier documentLocation: PDF page 2 (Page 2 of 7), chart
Documented
Published claims and calculations, not independent test results.
Archived copy captured on 2026-10-09.
Location: Chart, PDF page 2 (Page 2 of 7)
Retrieved
MidNite Solar's installation manual covering the MNSPD115, MNSPD300AC and DC and MNSPD600, listed as the SPD Manual on the MNSPD-300-DC documents page. The chart on PDF page 2 is cited. Manufacturer document, not an independent test.
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/SPD_Installation_Manual.pdf. Copyright and takedown
Printed revision date: 2018-08-27
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 55cdcdc0add646b625801f82d8be859ed5976a9983cc47bd9a60e0eae7a7e1bb
Archived copy captured on 2026-10-09.
Location: Model table; DESCRIPTION
Retrieved
MidNite Solar's own product page for the MNSPD-300-DC, captured on October 9, 2026. Manufacturer claims, not independent tests.
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/SPD_Installation_Manual.pdf. Copyright and takedown
Printed revision date: 2018-08-27
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 55cdcdc0add646b625801f82d8be859ed5976a9983cc47bd9a60e0eae7a7e1bb
Printed as "Warranty - 5 yrs." on the product page.
Official product page: MidNite Solar MNSPD-300-DC product page (October 9, 2026 capture) Checked · Earlier documentLocation: DESCRIPTION
Documented
Affiliate links below. As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure
Price for one unit, as listed by the seller. Price checked .
The seller lists this as a new unit.
Distributor store listing: ShopSolar product listing Paid link.Checked · Earlier documentChecked · End date not published.
Signature Solar promotion terms Paid link.Price for one unit, as listed by the seller. Does not include tax and shipping. Price checked .
The seller lists this as a new unit. Condition checked .
Distributor product page: Signature Solar store catalog row for SKU 1529012: Midnite Solar Lightning and Surge Arrestor | 300DC | MNSPD-300-DC (MiMo capture signaturesolar.json, captured 2026-10-27T16:21:41Z) Paid link.Checked Distributor product page: Midnite Solar Lightning and Surge Arrestor | 300DC | MNSPD-300-DC (signaturesolar.com, November 2, 2026 capture) Paid link.Checked · Earlier documentPrice from the Amazon Creators API for the New-condition featured offer. Price checked .
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
The seller lists this as a new unit.
Source product page: Amazon listing B00SGGWAZ8, identity checked through the Amazon Creators API Paid link. As an Amazon Associate we earn from qualifying purchases.CheckedProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED ‘AS IS’ AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
Prices we read at ShopSolar and Signature Solar · 34 readings from to
Since · Listing price (USD)
A break in a line is a gap in our readings: no price is drawn for days we did not read.
| Checked (UTC) | Seller | Price |
|---|---|---|
| Oct 4, 2026, 9:30 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 16, 2026, 1:06 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 17, 2026, 1:16 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 18, 2026, 1:06 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 20, 2026, 9:18 PM PDT | ShopSolar Paid link. | $134.67 |
| Oct 22, 2026, 1:16 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 23, 2026, 3:10 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 25, 2026, 1:06 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 26, 2026, 1:07 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 27, 2026, 1:07 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 27, 2026, 9:21 AM PDT | Signature Solar Paid link. | $91.62 |
| Oct 27, 2026, 9:21 AM PDT | Signature Solar Paid link. | $91.62 |
| Oct 28, 2026, 2:01 AM PDT | Signature Solar Paid link. | $91.62 |
| Oct 29, 2026, 1:16 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 29, 2026, 2:32 AM PDT | Signature Solar Paid link. | $91.62 |
| Oct 30, 2026, 1:26 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 30, 2026, 2:41 AM PDT | Signature Solar Paid link. | $91.62 |
| Oct 31, 2026, 1:27 AM PDT | ShopSolar Paid link. | $134.67 |
| Oct 31, 2026, 2:31 AM PDT | Signature Solar Paid link. | $91.62 |
| Nov 1, 2026, 1:07 AM PDT | ShopSolar Paid link. | $134.67 |
| Nov 1, 2026, 2:21 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 2, 2026, 1:36 AM PST | ShopSolar Paid link. | $134.67 |
| Nov 2, 2026, 2:41 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 2, 2026, 9:18 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 3, 2026, 1:07 AM PST | ShopSolar Paid link. | $134.67 |
| Nov 3, 2026, 3:01 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 4, 2026, 1:07 AM PST | ShopSolar Paid link. | $134.67 |
| Nov 4, 2026, 4:21 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 5, 2026, 1:06 AM PST | ShopSolar Paid link. | $134.67 |
| Nov 6, 2026, 2:01 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 7, 2026, 1:17 AM PST | ShopSolar Paid link. | $134.67 |
| Nov 8, 2026, 1:16 AM PST | ShopSolar Paid link. | $134.67 |
| Nov 9, 2026, 2:02 AM PST | Signature Solar Paid link. | $91.62 |
| Nov 12, 2026, 1:26 AM PST | ShopSolar Paid link. | $134.67 |
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Manufacturer SKU MNSPD-300-DC · US market
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