Need a safe and complete protection setup for your three-phase power with neutral line? Install a TPN (Triple Pole with Neutral) MCB to prevent overloads and short circuits across all live phases and the neutral line. At Sajilo Sewa, we offer professional TPN MCB installation services in Kathmandu, Bhaktapur, and Lalitpur — perfect for homes with high load, commercial buildings, and small industries using 3-phase + N power supply. 🛠️ TPN MCB Installation Includes: • Mounting and installation of one TPN MCB unit • Connection of all three phases (R, Y, B) + Neutral line • Earthing point check • Load balancing check (if required) • Functional testing and safety verification ✅ Recommended for 3-phase power with neutral distribution ✅ Installed by licensed electricians in Kathmandu ✅ Includes 30-day service warranty ❓ Frequently Asked Questions (FAQ) Q1: What is the difference between TP and TPN MCB? A: A TP MCB cuts off 3-phase lines only, while a TPN MCB disconnects all 3 phases + neutral—offering complete circuit isolation. Q2: Where is TPN MCB commonly used? A: It’s used in residential buildings, commercial offices, shops, and factories where a neutral line is distributed along with 3-phase power. Q3: Can I install this in my home? A: Yes, if your home has a 3-phase with neutral line, TPN MCB offers better protection. Q4: Will you inspect my DB panel before installation? A: Yes. Our technician will assess the panel and compatibility before installing the MCB. Q5: Do you provide the MCB unit? A: We can arrange it on request, or you can provide your preferred brand/model. 👉 Book now for TPN MCB installation in Kathmandu