When installing or maintaining mini split air conditioning systems, selecting the right disconnect box is crucial for safety and operational efficiency. These boxes provide a quick way to cut power during repairs or emergencies, protecting both equipment and users. This article reviews the top mini split disconnect boxes available on Amazon, highlighting their features, durability, and compliance with safety standards.
| Product | Brand | Type | Rating & Special Feature |
|---|---|---|---|
| HQRP Non-Fusible A/C Disconnect Switch | HQRP | Non-Fusible, 60A, 1-Phase | UL Listed, Outdoor Rainproof |
| 2P 30Amp 110/240V Fusible Safety Switch | JINDOUZI | Fusible, 30A, 2-Pole | Quick Disconnect, NEMA 3R Metal Box |
| ULXIOM Universal Disconnect Switch | ULXIOM | 63A, 2 Phase | IP66 Waterproof, Versatile Use |
| 60 Amp Non-Fusible Disconnect Switch Box | MUJURUR | Non-Fusible, 60A, 2 Pole | Galvanized Steel, Anti-Corrosion |
| Diversitech Mini-Split Basic Electrical Kit | Diversitech | Installation Kit with Disconnect Box | Complete HVAC Installation Set |
Content Navigation
- HQRP 60A Non-Fusible A/C Disconnect Switch Box
- JINDOUZI 30Amp Fusible AC Disconnect Switch Box
- ULXIOM 63A Universal Waterproof Disconnect Switch
- MUJURUR 60 Amp Non-Fusible Disconnect Switch Box
- Diversitech Mini-Split Electrical Installation Kit with Disconnect
- Buying Guide for Mini Split Disconnect Boxes
HQRP 60A Non-Fusible A/C Disconnect Switch Box
The HQRP Non-Fusible A/C Disconnect Switch is designed for 120/240VAC systems with up to 60 Amps capacity. Its key features include a durable metal box rated Type 3R for outdoor use, making it rainproof and reliable in harsh weather conditions. The pullout handle allows simple ON/OFF control with no fuss. It is UL listed, reassuring quality and compliance with safety standards.
This switch is a strong choice for HVAC professionals and homeowners who need a robust disconnect solution for mini splits and small air conditioning units. Its non-fusible design means it doesn’t contain a fuse but offers a safe and accessible way to disconnect power.
JINDOUZI 30Amp Fusible AC Disconnect Switch Box
This 30 Amp Fusible Disconnect Switch from JINDOUZI offers built-in fuses for enhanced overload protection. It operates on 110/240V and includes a heavy-duty quick disconnect handle that allows for rapid power disconnection in emergency scenarios, increasing equipment safety. Its metal box complies with NEMA 3R standards, providing dust protection and resistance to weather elements.
The switch’s design also prevents accidental operation and includes provisions to add locks, securing the unit from unauthorized access. It’s a perfect option when fuse protection is essential to your mini split or HVAC system setup.
ULXIOM 63A Universal Waterproof Disconnect Switch
The ULXIOM Universal Disconnect Switch suits more demanding environments with an IP66 waterproof certification. This means the enclosure is both dust-tight and protected against powerful water jets. Rated for 63 Amps at 440VAC, it also accommodates 60 Amp disconnect breaker applications, making it versatile for industrial and residential HVAC systems.
It is a 2-phase switch ideal for applications needing robust weather resistance and reliable safety switching. The sealing ring inside the lever mechanism enhances electrical safety, and the product can be tested for waterproofing prior to installation.
MUJURUR 60 Amp Non-Fusible Disconnect Switch Box
This 60 Amp Non-Fusible Disconnect Switch from MUJURUR is noted for its heavy-duty galvanized steel enclosure with anti-corrosion and rust-resistant coating. It meets rigorous NEMA 3R standards to withstand tough weather including hail and thunderstorm conditions.
Designed for both indoor and outdoor use, this switch offers a larger internal space to facilitate easier wiring and bending, improving installation convenience and long-term maintenance. It’s built with practical layout considerations and industrial-grade durability suitable for mini split HVAC systems.
Diversitech Mini-Split Electrical Installation Kit with Disconnect
Diversitech offers more than just a disconnect box with this complete mini-split electrical installation kit. It includes an electrical disconnect, power line whip, through-wall sleeve, drain line adapter, and a 120/240V surge protector, providing everything needed for a safe and code-compliant mini split setup.
All components come from a trusted HVAC brand well known for high quality, making this kit ideal for contractors or DIY installers wanting a hassle-free installation with a reliable disconnect mechanism. Its all-in-one nature eliminates guesswork and multiple part orders.
Buying Guide for Mini Split Disconnect Boxes
Choosing the right mini split disconnect box involves several considerations for safety, durability, and compatibility. Here are key factors to evaluate:
1. Fusible vs Non-Fusible
- Fusible disconnect boxes contain fuses that provide overload protection by breaking the circuit during excess current. They add an extra layer of safety but require monitoring and fuse replacement when blown.
- Non-fusible disconnects only provide a means to manually disconnect power and rely on external overcurrent protection devices like breakers. They are simpler but still compliant with many HVAC codes.
2. Ampere Rating
Select a box rated for the amperage your mini split system requires, commonly 30A or 60A. Choosing a disconnect with insufficient capacity risks overheating or failure.
3. Voltage and Phase
Confirm compatibility with your power supply’s voltage (commonly 120/240V) and whether your system is single or two-phase. Incorrect phase or voltage ratings can damage equipment.
4. Weather Resistance
If installed outdoors, look for disconnect boxes with NEMA 3R or IP66 ratings to ensure resistance to rain, dust, and physical impacts. Materials like galvanized steel with corrosion resistant paint extend lifespan.
5. Installation Kit Options
Some kits include not just the disconnect box but wiring, conduit, surge protectors, and other installation accessories, which can simplify setup and ensure all parts are compatible.
6. Safety Certifications
Look for UL listings or other safety certifications to confirm the product meets electrical standards recognized in the US, providing peace of mind.
7. Ease of Use and Maintenance
The handle design, space inside for wiring, and ease of locking or securing the disconnect box can influence usability and long-term reliability.
By carefully considering these points, you can select the optimal mini split disconnect box that ensures safe, code-compliant operation and long-lasting protection for your HVAC system.