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Used to Control, Master & Regulate the Electrical Power Systems
Safeguarding You & Your Home from Any Mishaps Due to

Safeguarding You & Your Home from Any Mishaps Due to
Used to Control, Master & Regulate the Electrical Power Systems

Fin ger proof Terminal
Air Circulation Channel




High Quality Contact Tips & Energy Saver
Enhanced Safely, Energy Limiting Class-3 & Aesthetically Designed with Safety

Highly effective touch protection against accidental contact . Ergonomically designed,...


Energy Limitation Class 3
Biconnect Terminals

Energy Limitation Class 3
Line Load Reversibility

Energy Limitation Class 3
Line Load Reversibility

Energy Limitation Class 3
Line Load Reversibility

Innovatively Designed Breathing Channels Between Poles Ensure Cooler Operation
High Quality Fire Retardant Material

Silver cadmium oxide contact tips
Compact construction

Every device is provided with a dual position DIN rail
Cooler Operation

C-curve for Moderate Overload & Short Circuit Protection
40 Amp Current Rating for Robust Protection

Silver Contact Point for Long Durability & Finger Touch Proof
Air Vent Provision for Strategic Air Circulation Around Individual Poles



Line Load Reversibility
Energy Limitation Class 3

Highly effective touch protection against accidental contact . Ergonomically designed,...

Air Circulation Channel
Integrated Label Channel Holder

Two Stage easy snapping device for Din Rail Mounting
Air Circulation Channel









Shunt Trip: Bimetal
Rated Impulse Voltage: 440 V


Integrated Labour Channel Holder
Padlocking Facility



Two Stage easy snapping device for Din Rail Mounting
Large Dolly

DC MCB
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What is a 40 amp MCB used for?
A 40-amp Miniature Circuit Breaker (MCB) is typically used for protecting high-power circuits. This includes appliances like electric geysers, air conditioners, and electric ovens, ensuring safe operation by preventing overloads.
How many watts is a 40 amp MCB load capacity?
A 40-amp MCB can typically handle a load capacity of around 9600 watts. This is calculated using the formula Watts = Amps x Volts, assuming a standard voltage of 240 volts.
What is the maximum load on a 40 amp breaker?
A 40-amp Miniature Circuit Breaker (MCB) can safely handle a maximum load of approximately 9.6 kilowatts (kW) at 240 volts. This ensures your electrical system operates efficiently and prevents overloads.
Can I use a 40 amp breaker on a 6mm cable?
A 40-amp Miniature Circuit Breaker (MCB) is generally suitable for a 6mm cable, provided it's rated for the correct application. Always consult electrical codes and a qualified electrician for precise installation guidance.
What is a 40 Amp MCB?
A 40 Amp Miniature Circuit Breaker (MCB) is an electrical safety device designed to protect electrical circuits from overcurrents, specifically those exceeding 40 amperes. It automatically interrupts the flow of electricity when a fault occurs, preventing damage to appliances and wiring, and reducing the risk of fire.
Are there different types of 40 Amp MCBs?
Yes, 40 Amp MCBs come in various types (e.g., Type B, C, D, K) which differ in their tripping characteristics based on the magnitude and duration of the overcurrent. The appropriate type depends on the specific application and the expected load.
| Latest Models | Price | Discount |
|---|---|---|
| L&T 15kA 40A Three Pole MCB, BB30400C | ₹2,024 | 39% OFF |
| Devco 40A 10kA C Curve Triple Pole MCB, MCB30400C | ₹1,388 | 30% OFF |
| Devco 40A 10kA C Curve Four Pole MCB, MCB40400C | ₹1,743 | 30% OFF |
| C&S Wintrip2 40A C Curve SP MCB, CSMBS1C40 | ₹537 | 22% OFF |
| ABB SB203 M-D40 40A 10kA Triple Pole MCB, 1SYS273012R0401 | ₹2,173 | 31% OFF |
| L&T BB30400B 40 A Three Pole Miniature Circuit Breakers | ₹2,024 | 39% OFF |
| L&T 15kA 40A Four Pole MCB, BB40400C | ₹2,504 | 40% OFF |
| Polycab Polyshield 40A C Curve Triple Pole MCB, GMM203P007 | ₹1,536 | 12% OFF |
| Siemens 5SL61407RC 40 A Single Pole MCB | ₹614 | 20% OFF |
| Siemens Betagard 40A Double Pole D Curve MCB, 5SL72408RC, Breaking Capacity: 15 kA | ₹2,113 | 28% OFF |