Manufacturer and seller images. Configuration examples may include additional equipment.
Image source: MidNite Solar MNSPD-300-AC, manufacturer product image from MidNite Solar's MNSPD-300-AC page.Paid link · price checked
Printed as the model on MidNite Solar's MNSPD-300-AC product page.
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: Model table
Documented
Printed as "a Type 1 device per UL1449 rev3".
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "a Type 1 device per UL1449 rev3"; the page also prints "Listed by ETL for US & Canada". These are the maker's statements; no listing record was checked.
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "The MidNite Solar 300V AC Surge Protector Device (MNSPD) is a Type 1 device per UL1449 rev3".
Official product page: MNSPD-300-AC product page, MidNite Solar 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 in the Size column as Size 4.4"L x 3.8"W x 3.5"D; converted from inches in the printed axis order.
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: Model table, Size
Calculated
Printed as "Environmental Rating - Type 4X (Outdoor)".
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
The 300 V figure is the one printed in the description ("The MidNite Solar 300V AC Surge Protector Device (MNSPD)"); the page prints "Protection for 120 VAC and 120/240 VAC circuits."
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "a Type 1 device per UL1449 rev3".
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "a Type 1 device per UL1449 rev3"; the page also prints "Listed by ETL for US & Canada". These are the maker's statements; no listing record was checked.
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
Printed as "The MidNite Solar 300V AC Surge Protector Device (MNSPD) is a Type 1 device per UL1449 rev3".
Official product page: MNSPD-300-AC product page, MidNite Solar 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 in the Size column as Size 4.4"L x 3.8"W x 3.5"D; converted from inches in the printed axis order.
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: Model table, Size
Converted
Printed as "Environmental Rating - Type 4X (Outdoor)".
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
The 300 V figure is the one printed in the description ("The MidNite Solar 300V AC Surge Protector Device (MNSPD)"); the page prints "Protection for 120 VAC and 120/240 VAC circuits."
Official product page: MNSPD-300-AC product page, MidNite Solar Checked · Earlier documentLocation: DESCRIPTION
Documented
Published claims and calculations, not independent test results.
Archived copy captured on 2026-09-29.
Location: Model table and DESCRIPTION
Retrieved
MidNite Solar's product page for MNSPD-300-AC: model table (size, shipping size, weight column) and description. The page does not say whether the Weight column is the product or the shipping weight, so it is not recorded unless the description prints an actual weight.
Printed as "Warranty - 5 yrs." on the product page.
Official product page: MNSPD-300-AC product page, MidNite Solar 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. Does not include tax and shipping. Price checked .
The seller lists this as a new unit. Condition checked .
Distributor store listing: ShopSolar product listing Paid link.Checked · Earlier documentPrice for one unit, as listed by the seller. Price checked .
The seller lists this as a new unit.
Distributor product page: MNSPD-115 (currentconnected.com, 2026-10-12 capture) 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 1529011: Midnite Solar Lightning and Surge Arrestor | 300AC | MNSPD-300-AC (MiMo capture signaturesolar.json, captured 2026-10-27T16:21:41Z) Paid link.Checked Distributor product page: Midnite Solar Lightning and Surge Arrestor | 300AC | MNSPD-300-AC (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 B00YDD7TIG, 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, Current Connected and Signature Solar · 64 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. | $142 |
| Oct 11, 2026, 1:05 AM PDT | ShopSolar Paid link. | $142 |
| Oct 12, 2026, 7:00 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 13, 2026, 1:15 AM PDT | ShopSolar Paid link. | $142 |
| Oct 15, 2026, 1:06 AM PDT | ShopSolar Paid link. | $142 |
| Oct 16, 2026, 1:05 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 16, 2026, 1:06 AM PDT | ShopSolar Paid link. | $142 |
| Oct 17, 2026, 1:15 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 17, 2026, 1:16 AM PDT | ShopSolar Paid link. | $142 |
| Oct 18, 2026, 1:05 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 19, 2026, 1:45 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 20, 2026, 1:35 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 20, 2026, 9:18 PM PDT | ShopSolar Paid link. | $142 |
| Oct 21, 2026, 1:36 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 22, 2026, 1:16 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 23, 2026, 2:09 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 23, 2026, 3:10 AM PDT | ShopSolar Paid link. | $142 |
| Oct 24, 2026, 1:06 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 24, 2026, 1:06 AM PDT | ShopSolar Paid link. | $142 |
| Oct 25, 2026, 1:06 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 25, 2026, 1:06 AM PDT | ShopSolar Paid link. | $142 |
| Oct 26, 2026, 1:06 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 26, 2026, 1:07 AM PDT | ShopSolar Paid link. | $142 |
| Oct 27, 2026, 1:06 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 27, 2026, 9:21 AM PDT | Signature Solar Paid link. | $102 |
| Oct 27, 2026, 9:21 AM PDT | Signature Solar Paid link. | $102 |
| Oct 28, 2026, 1:26 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 28, 2026, 2:01 AM PDT | Signature Solar Paid link. | $102 |
| Oct 29, 2026, 1:16 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 29, 2026, 1:16 AM PDT | ShopSolar Paid link. | $142 |
| Oct 29, 2026, 2:31 AM PDT | Signature Solar Paid link. | $102 |
| Oct 30, 2026, 1:26 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 30, 2026, 1:26 AM PDT | ShopSolar Paid link. | $142 |
| Oct 30, 2026, 2:40 AM PDT | Signature Solar Paid link. | $102 |
| Oct 31, 2026, 1:26 AM PDT | Current Connected Paid link. | $89.38 |
| Oct 31, 2026, 1:27 AM PDT | ShopSolar Paid link. | $142 |
| Oct 31, 2026, 2:30 AM PDT | Signature Solar Paid link. | $102 |
| Nov 1, 2026, 1:06 AM PDT | Current Connected Paid link. | $89.38 |
| Nov 1, 2026, 1:07 AM PDT | ShopSolar Paid link. | $142 |
| Nov 1, 2026, 2:21 AM PST | Signature Solar Paid link. | $102 |
| Nov 2, 2026, 1:36 AM PST | Current Connected Paid link. | $89.38 |
| Nov 2, 2026, 1:36 AM PST | ShopSolar Paid link. | $142 |
| Nov 2, 2026, 2:41 AM PST | Signature Solar Paid link. | $102 |
| Nov 2, 2026, 9:18 AM PST | Signature Solar Paid link. | $102 |
| Nov 3, 2026, 1:06 AM PST | Current Connected Paid link. | $89.38 |
| Nov 3, 2026, 1:07 AM PST | ShopSolar Paid link. | $142 |
| Nov 3, 2026, 3:01 AM PST | Signature Solar Paid link. | $102 |
| Nov 4, 2026, 1:06 AM PST | Current Connected Paid link. | $89.38 |
| Nov 4, 2026, 4:01 AM PST | ShopSolar Paid link. | $142 |
| Nov 4, 2026, 4:21 AM PST | Signature Solar Paid link. | $102 |
| Nov 5, 2026, 1:06 AM PST | Current Connected Paid link. | $89.38 |
| Nov 5, 2026, 4:51 AM PST | ShopSolar Paid link. | $142 |
| Nov 6, 2026, 1:06 AM PST | Current Connected Paid link. | $89.38 |
| Nov 6, 2026, 2:01 AM PST | Signature Solar Paid link. | $102 |
| Nov 7, 2026, 1:16 AM PST | Current Connected Paid link. | $89.38 |
| Nov 7, 2026, 1:17 AM PST | ShopSolar Paid link. | $142 |
| Nov 8, 2026, 1:16 AM PST | Current Connected Paid link. | $89.38 |
| Nov 8, 2026, 1:16 AM PST | ShopSolar Paid link. | $142 |
| Nov 9, 2026, 1:16 AM PST | Current Connected Paid link. | $89.38 |
| Nov 9, 2026, 2:02 AM PST | Signature Solar Paid link. | $102 |
| Nov 10, 2026, 1:06 AM PST | Current Connected Paid link. | $89.38 |
| Nov 11, 2026, 1:35 AM PST | Current Connected Paid link. | $89.38 |
| Nov 12, 2026, 1:26 AM PST | Current Connected Paid link. | $89.38 |
| Nov 12, 2026, 1:26 AM PST | ShopSolar Paid link. | $142 |
No reviews yet
Own one? A verified review needs a receipt and a serial number photo, and counts 19× in the owner rating.
This category has no Evidence score.
No certificates on file. Certificate guide
No sourced accessories or replacement parts listed yet.
Manufacturer SKU MNSPD-300-AC · US market
No historical observations recorded yet.
No discussions linked yet. Search DIY Solar Forum
No recalls or legal notices on file; this is not a complete recall or court search. All notices · Report a notice
Something wrong that is not one of the values above?
Prices · price basis. * Calculated; estimates labeled. Value needs confirmation; select it for the reason.
