Best Disconnect Boxes for Mini Split Systems: Reliable Safety Switches and Kits 2026

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Finding the right disconnect box for your mini split system is essential for safety, ease of installation, and compliance with electrical codes. This article reviews some of the best Amazon products to help you make an informed choice. Below is a comparison table highlighting key features of selected options for easy reference.

Product Name Brand Type Amperage Voltage Special Features
HQRP Non-Fusible A/C Disconnect Switch HQRP Non-Fusible Pull-Out Switch 60 Amp 120/240VAC Type 3R, Outdoor, UL Listed, Metal Box
2P 30Amp Fusible Heavy Duty Safety Switch JINDOUZI Fusible Safety Switch 30 Amp 110/240V NEMA 3R Metal Box, Quick Disconnect, Lockable
ULXIOM Universal Disconnect Switch IP66 Waterproof ULXIOM Waterproof Motor Disconnect 63 Amp 440VAC IP66 Dustproof/Waterproof, Seal Ring, Versatile Use
60 Amp Disconnect Switch Box Galvanized Steel MUJURUR Non-Fusible Safety Switch 60 Amp Indoor/Outdoor Galvanized Steel, Anti-Corrosion, NEMA 3R, 10-Year Warranty
Diversitech Mini-Split Air Conditioner Electrical Installation Kit Diversitech Electrical Installation Kit Suitable for Mini-Splits 120/240V Includes Electrical Disconnect, Surge Protector, and Wall Sleeve

HQRP Non-Fusible A/C Disconnect Switch

HQRP Non-Fusible A/C Disconnect Switch

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This HQRP disconnect switch is designed for easy ON/OFF control of mini split systems with its pull-out handle. It supports 120/240VAC at 60 amps making it suitable for most residential mini split needs. The metal enclosure is type 3R rated, making it rainproof and durable for outdoor use. Certified with UL Listing, this disconnect box ensures compliance with safety standards. Its simple design with a non-fusible mechanism allows reliable power interruption without fuse replacement. Ideal for mini split installations that require secure, weather-resistant disconnects.

2P 30Amp 110/240V Fusible Heavy Duty Safety Switch by JINDOUZI

JINDOUZI 2P 30Amp Fusible Safety Switch

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This fusible 2-pole safety switch by JINDOUZI offers quick disconnect and overload protection for 30 amp mini split systems operating at 110/240 volts. It features a heavy-duty metal box meeting NEMA 3R standards, providing durability against dust and small animals, and is lockable to prevent unauthorized access. The external hinge handle makes connecting and disconnecting power efficient and safe. The inclusion of overload fuses adds an extra safety layer, protecting equipment during electrical faults.

ULXIOM Universal Disconnect Switch, IP66 Waterproof, 63A

ULXIOM Universal Disconnect Switch IP66

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The ULXIOM disconnect switch offers superior protection with IP66 waterproof rating, making it suitable for harsh environments. Rated for 63 amp and 440 volts, it also accommodates 60 amp applications. Its assembly includes a sealing ring in the lever and a waterproof connector for safe operation. Ideal for demanding mini split systems and other industrial uses, this switch provides reliable isolation for motors and power distribution. The enclosure supports two-phase power systems and enhances electrical safety by protecting against dust and water intrusion.

60 Amp Disconnect Switch Box by MUJURUR, Galvanized Steel

MUJURUR 60 Amp Disconnect Switch

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MUJURUR’s disconnect switch supports 60 amps and conforms to NEMA 3R standards, ensuring weather resistance for outdoor installations. The galvanized steel construction offers anti-corrosion and rust prevention, delivering long-lasting durability. It has a spacious interior for easier wire connections, making installation neat and more manageable. Its compact size saves space without compromising functionality. A notable feature is the 10-year warranty, reflecting confidence in product reliability. Perfect for residential and commercial mini split systems requiring consistent service from a robust safety switch.

Diversitech Mini-Split Air Conditioner Basic Electrical Installation Kit

Diversitech Mini-Split Electrical Installation Kit

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This Diversitech kit simplifies mini split installation by including all essential electrical components: disconnect box, power line whip, through-wall sleeve, drain line adapter, and a 120/240v surge protector. Designed specifically for mini splits and heat pumps, it eliminates the need to purchase separate parts. Components are supplied by a reputable HVAC brand, assuring compatibility and quality. This kit is ideal for anyone seeking a comprehensive and convenient electrical installation solution without searching for individual parts.

Buying Guide for Disconnect Boxes for Mini Split Systems

Amperage and Voltage Rating

Choose a disconnect switch rated for the amperage and voltage of your mini split system. Residential mini splits generally require 30 to 60 amps and 120/240 volts. Using an underrated switch can cause malfunctions and safety hazards.

Fusible vs Non-Fusible Switches

Fusible disconnects include fuses that protect against overloads by breaking the circuit, requiring fuse replacement after tripping. Non-fusible switches provide simple ON/OFF disconnection without overload protection. Determine if your application requires fusible protection or if an external fuse is present.

Environmental Rating and Enclosure Type

For outdoor mini split installations, ensure the disconnect box has a weatherproof rating such as NEMA 3R or IP66 for dust and water resistance. Materials like galvanized steel or sturdy metal boxes provide longevity in outdoor conditions.

Installation Convenience

Look for features like spacious interiors for wire bending, external hinged handles for quick installation, and included accessories if buying a kit. Proper fit and wiring space help maintain neat connections and reduce installation time.

Additional Safety Features

Consider lockable handles to prevent unauthorized use and anti-corrosion coatings for durability. Surge protection included in kits can safeguard sensitive mini split electronic components from voltage spikes.

Brand Reputation and Certification

Select products from reputable brands with UL Listing or equivalent certification to guarantee compliance with safety standards and reliability standards.

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