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

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

Energy Limitation Class 3
Line Load Reversibility

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

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


Energy Limitation Class 3
Line Load Reversibility


Line Load Reversibility
Energy Limitation Class 3

Energy Limitation Class 3
Biconnect Terminals

Ease of Installation
Suitable for Protection against Overload & Short Circuit for Motor

Cooler Operation
13 Plates Arc Chute for effective arc quenching

Line Load Reversibility
Energy Limitation Class 3

Double break contacts
Silver cadmium oxide contact tips

Integrated Label Channel Holder
Bi-Connect terminal for Cable and Bushbar

Finger Proof Terminal
Large Terminal Screws



Field-Fit table Auxiliaries for Advance Protection & Monitoring
Higher System Performance with Optimized Cost: Cascading

B-curve for Household Appliances
Four-pole Safety Circuit Breaker

C Curve for Home Appliances
Reliable Double Pole Protection

6kA Breaking Capacity for Safe Fault Interruption
40 Amp Current Rating for Robust Protection

Energy Limit Class: 3, Designed for enhanced protection in DC...

Higher Life with Use of Heavy Duty Contacts
True Contact Indication for Enhanced Safety

Longer Electrical Life
High Speed & High Breaking Capacity Mechanism

Shunt Trip: Bimetal
Trip Current: 7-10 times of Input Current









Rated Impulse Voltage: 440 V
Trip Current: 7-10 times of Input Current

Low watt loss-almost 50% of the values prescribed by IS/IEC
Air Circulation Channel




Air Vent Provision for Strategic Air Circulation Around Individual Poles
Silver Contact Point for Long Durability & Finger Touch Proof
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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 |
|---|---|---|
| Devco 40A 10kA C Curve Triple Pole MCB, MCB30400C | ₹1,385 | 30% OFF |
| Devco 40A 10kA C Curve Four Pole MCB, MCB40400C | ₹1,740 | 30% OFF |
| Indoasian Optipro 40A B Curve Single Pole Neutral MCB, 811035 | ₹1,205 | - |
| Siemens 5SL61407RC 40 A Single Pole MCB | ₹615 | 20% OFF |
| Siemens 5SL43407RC 40 A Three Pole MCB | ₹2,458 | 28% OFF |
| Siemens Betagard 40A Double Pole D Curve MCB, 5SL72408RC, Breaking Capacity: 15 kA | ₹2,111 | 28% OFF |
| Indoasian Optipro 40A B Curve Double Pole MCB, 811054 | ₹1,093 | 15% OFF |
| ABB SB203 M-D40 40A 10kA Triple Pole MCB, 1SYS273012R0401 | ₹2,174 | 31% OFF |
| Indoasian Optipro 40A C Curve Triple Pole MCB, 811196 | ₹1,720 | - |
| Indoasian Optipro 40A D Curve 3 Pole MCB, 811319, Breaking Capacity: 10 kA | ₹1,958 | - |