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Rated Impulse Voltage: 440 V
Dielectric Strength: 10 kA

Dielectric Strength: 10 kA
Shunt Trip: Bimetal

Electrical/Mechanical Life:10,000 Cycles
AC MCB

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

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

Large Terminal Screws
Large Dolly

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

Air Circulation Channel
Large Terminal Screws

Large Terminal Screws
Padlocking Facility

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




25 mm² cage terminals
Scratch and solvent resistant body






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

Two Stage easy snapping device for Din Rail Mounting
Large Dolly



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

Finger Proof Terminal
Air Circulation Channel

Integrated Label Channel Holder
Two Stage easy snapping device for Din Rail Mounting

True contact indication for individual pole
Design based on advanced current limiting hammer trip mechanism



Integrated Labour Channel Holder
Large Terminal Screws






Large & Dual Terminating Terminal Size
Ease of Clamping, Breaking Capacity, Energy Limiting Class 3 &

Padlocking Facility
Large Terminal Screws

Large Cable Terminals
Trip free mechanism


Highly effective touch protection against accidental contact . Ergonomically designed,...
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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 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 |
| C&S Wintrip 2 D Type Higher Rating SPN MCB CSMBS1D40N (Pack of 4) | ₹5,050 | 23% OFF |
| C&S Wintrip C Type Higher Rating TP MCB CSMB3C40 40A (Pack of 4) | ₹7,223 | - |
| 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 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 |