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

Shunt Trip: Bimetal
Dielectric Strength: 10 kA


Electrical/Mechanical Life:10,000 Cycles
Magnetic Release Setting:(5-10)ln

Large Dolly
Bi-Connect terminal for Cable and Bushbar

Electrical/Mechanical Life:10,000 Cycles
Magnetic Release Setting:(10-20)ln

Magnetic Release Setting:(5-10)ln
Electrical/Mechanical Life:10,000 Cycles

Fin ger proof Terminal
Low watt loss-almost 50% of the values prescribed by IS/IEC

Air Circulation Channel
Padlocking Facility

Combination Head Captive Screw
Large Dolly

Electrical/Mechanical Life:10,000 Cycles
Magnetic Release Setting:(10-20)ln










Large Dolly
Integrated Label Channel Holder

Low watt loss-almost 50% of the values prescribed by IS/IEC
Padlocking Facility

Bi-Connect terminal for Cable and Bushbar
Large Terminal Screws




Combination Head Captive Screw
Large Dolly


Fin ger proof Terminal
Low watt loss-almost 50% of the values prescribed by IS/IEC

Ensuring Safe & Efficient Circuit Operation
Enhanced Protection & Reliability


Large Terminal Screws
Combination Head Captive Screw



C Curve for Inductive Loads
Ensures Safe Four Pole Protection

True contact indication for individual pole
No Line-Load bias

Trip free mechanism
Low power consumption

Flame Retardant Body for Extra Strength & Insulation
Ease of Clamping, Breaking Capacity, Energy Limiting Class 3 &


Hang on, Loading More
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 |
|---|---|---|
| Avni D-lite 40A C Curve 4 Pole MCB (Pack of 3) | ₹1,648 | 14% OFF |
| Avni D-lite 40A C Curve 3 Pole MCB (Pack of 4) | ₹1,447 | 24% OFF |
| B-Five Bsf 40A Double Pole Changeover MCB, Bsf-425 | ₹670 | 22% OFF |
| C&S Wintrip C Type Higher Rating SPN MCB CSMB1C40N 40A (Pack of 4) | ₹4,353 | - |
| C&S 40A 3 Pole K Curve 10kA WiNtrip2 MCB, CSMBS3K40 | ₹2,018 | 25% OFF |
| C&S Wintrip D Type Higher Rating FP MCB CSMB4D40 40A (Pack of 4) | ₹9,718 | - |
| C&S Wintrip C Type Higher Rating TP MCB CSMB3C40 40A (Pack of 4) | ₹7,223 | - |
| C&S Wintrip2 40A B Curve SPN MCB, CSMBS1B40N (Pack of 6) | ₹4,855 | 38% OFF |
| C&S Wintrip2 40A B Curve SP MCB, CSMBS1B40 (Pack of 12) | ₹4,897 | 37% OFF |
| C&S 40A 1 Pole B Curve 10kA WiNtrip2 MCB, CSMBS1B40 | ₹503 | 22% OFF |