Ensure smooth and safe power transfer with Sajilo Sewa’s three-phase changeover switch repair and replacement service in Kathmandu, Bhaktapur, and Lalitpur. Our certified electricians repair or replace faulty changeover switches to maintain a reliable power backup connection between the mains and the generator. 🛠️Our service includes: ✅Inspection and fault diagnosis ✅Repair or replacement of the three-phase changeover switch ✅Proper wiring and load testing ✅Safety and performance verification FAQs: Q1: What causes a changeover switch to fail? A1: Overload, loose connections, or wear due to frequent use. Q2: How long does repair or replacement take? A2: Usually 1–2 hours, depending on switch capacity and condition. Q3: Do you replace both manual and automatic changeover switches? A3: Yes, we handle both types. Q4: Is the service safe for industrial use? A4: Yes, our team follows all safety standards for commercial and industrial systems. 👉 Book now for professional changeover switch repair or replacement and ensure uninterrupted power supply!