MidNite Solar Surge Protector 300V - MNSPD-300-DC
SKU: 61438668480

MidNite Solar Surge Protector 300V - MNSPD-300-DC

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Description

MidNite Solar Surge Protector 300V - MNSPD-300-DCThe MidNite Solar 300V DC Surge Protector Device (MNSPD 300 DC) is a Type 1 device per UL1449 rev3 and has an outdoor rating of Type 4X for outdoor use. Designed for DC systems up to 300 volts, it provides protection for charge controllers, off grid PV combiners, and DC circuits. The DC SPD also works well on 120 240 VAC circuits the protection side is identical to the AC version; only the LED power configuration differs. Made in the USA with a 5 year

The MidNite Solar 300V DC Surge Protector Device (MNSPD-300-DC) is a Type 1 device per UL1449 rev3 and has an outdoor rating of Type 4X for outdoor use. Designed for DC systems up to 300 volts, it provides protection for charge controllers, off-grid PV combiners, and DC circuits. The DC SPD also works well on 120/240 VAC circuits – the protection side is identical to the AC version; only the LED power configuration differs. Made in the USA with a 5-year warranty.

Key Features & Benefits

Type 1 Surge Protection: UL1449 4th Edition Type 1 device suitable for indoor and outdoor applications at the service entrance or where directly connected to protected equipment.

300V DC Rating: Designed for DC circuits up to 300 volts, making it ideal for charge controller inputs, off-grid PV combiners, and DC load centers.

Also Works on 120/240V AC: The protection side is identical to the AC version, making this unit versatile for both DC and AC applications (LED power configuration differs).

Type 4X Outdoor Rating: Weather-resistant enclosure rated for outdoor use, providing protection against rain, dust, and corrosion.

80kA Surge Current Rating: High-capacity surge protection with 80kA surge current per phase to handle near lightning strikes.

Diagnostic Blue LED: LED indicator shows when voltage is present, confirming proper operation at a glance.

Thermal Disconnector with Internal Fuse: Individually fused MOVs with thermal disconnection for added safety.

Fast Response Time: Responds in less than 1 microsecond to clamp surge voltages before they can damage equipment.

ETL Listed: Certified for use in both the US and Canada.

Made in USA: Proudly manufactured in the United States.

5-Year Warranty: Backed by MidNite Solar's 5-year limited warranty.

Technical Specifications

Specification Detail
Manufacturer MidNite Solar
Model MNSPD-300-DC
Type UL1449 4th Edition Type 1
Nominal Voltage 0-300 VDC
MCOV 470V
VPR Line to Ground 1200V
Surge Current Rating 80kA per phase
Short Circuit Current Rating 10kA
Response Time <1 microsec
Energy Absorption 3130 J (Full Device), 1560 J (Each Section)
Configuration 1Ø, 3-wire (2 legs)
Enclosure Rating Type 4X (Outdoor)
Enclosure Material Polycarbonate UL94V-0
Connection Method #12 AWG leads
Mounting 1/2" conduit knockout
Diagnostics Blue status LED (one per leg)
Operating Temperature -40°C to +85°C (-40°F to +185°F)
Dimensions 4.4"L × 3.8"W × 3.5"D
Weight 1 lb
Certifications UL 1449, ETL Listed for US & Canada
Warranty 5 years
Origin Made in USA

Product Documents

Installation Manual: Download PDF
Spec Sheet: Download PDF
Brochure: Download PDF

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 61438668480

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Loren
Massapequa, US
★★★★★ 5
Right Decision
Size: 12 Wide, Color: Cognac Napa Leather
Very comfortable. Classic style.
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Reviewed in the United States on June 11, 2026
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YWC
New York, US
★★★★★ 1
Leather peels right off
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Very poor quality - shoes are ruined after a couple months
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Blackqueen30
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Value and quality was good
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LATASHA JORDAN
Lexington, US
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Very comfortable. Worth the money
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Ce
Omaha, US
★★★★★ 5
Comfortable
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Super comfy and stylish, I’ve never worn these styles of loafers however I’m glad I purchased these. I’ve purchased another pair in a different color.
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Reviewed in the United States on April 14, 2026

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