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Dielectric Strength: 10 kA
Rated Impulse Voltage: 440 V







AC MCB
Electrical/Mechanical Life:10,000 Cycles

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

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




Magnetic Release Setting:(3-5)ln
Electrical/Mechanical Life:10,000 Cycles


Integrated Labour Channel Holder
Air Circulation Channel

Large Terminal Screws
Integrated Label Channel Holder

Combination Head Captive Screw
Finger Proof Terminal

Combination Head Captive Screw
Finger Proof Terminal


Integrated Labour Channel Holder
Air Circulation Channel





Magnetic Release Setting:(3-5)ln
Electrical/Mechanical Life:10,000 Cycles

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

Magnetic Release Setting:(5-10)ln
AC MCB


Magnetic Release Setting:(3-5)ln
Electrical/Mechanical Life:10,000 Cycles

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

AC MCB
Magnetic Release Setting:(10-20)ln

Low watt loss-almost 50% of the values prescribed by IS/IEC
25 mm² cage terminals







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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 |
|---|---|---|
| Avni D-lite 40A C Curve Single Pole Neutral MCB (Pack of 6) | ₹1,447 | 15% OFF |
| Chint NB1-63H 40A 10kA C-Curve Single Pole & Neutral MCB, 201911 | ₹729 | 1% OFF |
| Chint eBG 40A 6kA C-Curve Four Pole RoHS MCB, 187539 | ₹1,099 | - |
| Chint Solar NB1-63DC 40A C Curve Double Pole MCB | ₹989 | 1% OFF |
| HPL 10kA 40A Double Pole C Curve Techno N MCB, NTDPC6-32 | ₹686 | 1% OFF |
| Chint NB1-63DC 40A 10kA B-Curve Single Pole UL MCB, 181207 | ₹449 | 2% OFF |
| HPL 10kA 40A Single Pole Curve Techno MCB, NTSPDCC6-32 | ₹356 | 1% OFF |
| C&S Wintrip 2 C Type Higher Rating FP MCB CSMBS4C40 (Pack of 4) | ₹9,226 | 25% OFF |
| C&S Wintrip 2 C Type Higher Rating DP MCB CSMBS2C40 (Pack of 4) | ₹4,513 | 24% OFF |
| C&S Wintrip 2 C Type Higher Rating SP MCB CSMBS1C40 (Pack of 4) | ₹2,138 | 22% OFF |