SP MCB

SP MCB, The Most Common Circuit Breaker in Every Indian Home

Every lighting circuit. Every plug point. Every fan circuit. They all need protection, and in almost every residential distribution board in India, that protection comes from a Single Pole MCB.

An SP MCB protects the live conductor of a circuit from overload and short circuit faults. When too much current flows through, it trips automatically, cutting power before the wiring gets damaged or a fire starts. Reset it, find the fault, fix it, and you are back up in minutes. No fuse wire, no replacement, no hassle.

We stock 85 SP MCBs from Hager, Siemens, Legrand, LnT, Goldmedal and IndoAsian. Current ratings from 6A for light circuits, 10A and 16A for fan and plug circuits, 20A and 32A for heavier loads, and 40A to 63A for high-draw applications. All 10kA breaking capacity. Type B curve for standard resistive loads, Type C for inductive loads like motors.

All BIS certified under IS/IEC 60898-1, HSN Code 8536, made in India. Seven trusted brands in one place so you can match exactly what your project or DB specifies.

Contractors and panel builders buying in bulk, get in touch for wholesale pricing.

Fast delivery to Mumbai, Delhi, Pune, Bangalore, Hyderabad, Chennai and all of India.

💬 FAQ Section

Q1. What is an SP MCB and where is it used? An SP MCB (Single Pole Miniature Circuit Breaker) protects a single live conductor from overload and short circuit faults. It is used for sub-circuit protection inside SPN and TPN distribution boards for lighting circuits, fan circuits, plug point circuits, and other individual loads in residential, commercial, and industrial electrical installations.

Q2. What ampere SP MCB do I need for different circuits at home? For lighting circuits, 6A or 10A is standard. For fan circuits and standard plug points, 10A or 16A is used. For kitchen appliances like microwave and dishwasher, 20A is recommended. For geysers and washing machines, 20A or 32A depending on the load. Always check the load current and choose an MCB rated 125% of the full load current.

Q3. What is the difference between Type B and Type C SP MCB? Type B SP MCBs trip at 3 to 5 times the rated current and are suitable for resistive loads like lighting, heating, and general plug circuits. Type C trips at 5 to 10 times rated current and is used for inductive loads like small motors, compressors, and fluorescent lighting with ballasts where higher inrush current is expected during switch-on.

Q4. What is the difference between SP MCB and DP MCB? An SP MCB (Single Pole) protects only the live conductor. A DP MCB (Double Pole) protects both live and neutral conductors simultaneously. SP MCBs are used for individual sub-circuits inside a distribution board. DP MCBs are used as incomer breakers or wherever full two-wire circuit isolation including the neutral is required.

Q5. Which brands of SP MCB are available on Elecload India? Elecload India stocks SP MCBs from Hager, Siemens, Legrand, LnT, Goldmedal and IndoAsian. All are BIS certified under IS/IEC 60898-1, HSN Code 8536, and made in India. These are the most widely specified and trusted brands used by electricians, panel builders, and electrical contractors across India.

Q6. How many SP MCBs do I need for a 2BHK flat? A standard 2BHK flat typically requires 8 to 12 SP MCBs covering lighting circuits (2 to 3), fan circuits (2 to 3), plug point circuits (2 to 3), kitchen circuit (1), AC circuit (1 to 2), and geyser circuit (1). Always add 2 spare ways in your DB for future use. Your electrician will calculate the exact requirement based on your load.

Q7. What breaking capacity SP MCB should I use? For standard residential and light commercial installations, 6kA breaking capacity is technically sufficient. However, 10kA is strongly recommended for all installations as it provides a much higher safety margin against fault currents, especially in buildings close to distribution transformers or with large sanction loads. All SP MCBs on Elecload India are 10kA rated.