【10 Years Customer Service】3P 30 amp disconnect,120v/240v,Non-Fusible,NEMA 3R standard, for indoor and outdoor use.Switches have a large current carrying capacity and can meet the power disconnection requirements of large equipment such as water heaters, solar energy devices, and large air compressors. 【 High quality Material 】Disconnect Switch is made of high-quality heavy-duty steel, which is sturdy and durable, and coated with anti-corrosion and anti rust paint. It can withstand harsh environments, reduce your replacement frequency, and lower long-term costs. We guarantee that every disconnect switch undergoes rigorous testing before leaving the factory to ensure the durability and stability of the product. 【Large Space Design】Disconnect switch adopts a 10.3 "x6.8"x3.7"large space design, compared to other competitors' small space designs, our product provides sufficient wiring space and more flexible operation 【Obvious Indication】There are clear "ON" and "OFF" position markings on the disconnect switch panel, ensuring that the circuit status can be quickly cut off in emergency situations, protecting personnel and equipment safety, and avoiding misoperation. 【NEMA 3R Standard】Electrical Disconnect Box complies with NEMA 3R standards, ensuring long-term safety guarantee for normal operation under adverse weather conditions such as rain, snow, hail, etc. 【Multiple Locking Mechanism】The bottom of the disconnect switch and elbow lever of the housing are equipped with locking devices, which can prevent external contact and improve the safety of the switch box by adding locks 【Easy To Install】There are knock out holes and screw holes around the disconnect box, making installation convenient. Multiple sizes of knock off holes enhance the applicability of the switch box. We suggest that you hire a certified electrician for professional installation. 【Upgrade】 3P 60 Amp Disconnect,Disconnect Switch,Add Ground Design,Non-Fusible,NEMA 3R Standard,Heavy Duty Steel Material,Rust and Corrosion Resistant,for Indoor and Outdoor,120/240v,11-Year Warrnaty