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40 Amp MCB

Showing 40 out of 358 Products
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L&T Tripper 40A C-Curve Single Pole MCB, BA10400C
  • True Contact Indication for Enhanced Safety

  • Higher Life with Use of Heavy Duty Contacts

L&T 15kA 40A Double Pole MCB, BB20400B
By: L&T
Available on Request
₹1,374
L&T BB30400C 40 A Three Pole Miniature Circuit Breakers
B-Five Bsf 40A Double Pole MCB, Bsf-405
By: B-Five
Available on Request
₹326
Indoasian Optipro 40A D Curve 4 Pole MCB, 811357, Breaking Capacity: 10 kA
  • Biconnect Terminals

  • Line Load Reversibility

Siemens 5SL44407RC 40 A Four Pole MCB
By: Siemens
Available on Request
₹3,071
  • Highly effective touch protection against accidental contact . Ergonomically designed,...

Siemens 5SL72407RC Miniature Circuit Breakers 40 A C-Curve
Siemens 5SY52407CC 40 A Betagard Miniature Circuit Breakers
Siemens 5SL63406RC 40 A Three Pole MCB
By: Siemens
Available on Request
₹1,872
  • Highly effective touch protection against accidental contact . Ergonomically designed,...

C&S Wintrip2 40A B Curve DP MCB, CSMBS2B40 (Pack of 6)
  • Padlocking Facility

  • Integrated Labour Channel Holder

Devco 40A 10kA C Curve Single Pole MCB, MCB10400C
By: Devco
Available on Request
₹410
  • Safeguarding You & Your Home from Any Mishaps Due to

  • Used to Control, Master & Regulate the Electrical Power Systems

Sturlite Titan Shield 40A Polycarbonate Single Pole C Curve MCB, Breaking Capacity: 10 kA
  • Enhanced Protection & Reliability

  • Ensuring Safe & Efficient Circuit Operation

ABB 40A C Curve TP MCB, SH203M-C 40 (Pack of 4)
By: ABB
Available on Request
₹7,148
  • Scratch and solvent resistant body

  • 25 mm² cage terminals

Siemens 5SY73408CC 40 A 5SY7 Betagard Miniature Circuit Breakers
C&S Wintrip 2 B Type Higher Rating FP MCB CSMBS4B40 (Pack of 4)
  • Magnetic Release Setting:(3-5)ln

  • Electrical/Mechanical Life:10,000 Cycles

Avni D-lite 40A C Curve 4 Pole MCB
By: Avni D-lite
Available on Request
₹598
  • Dielectric Strength: 10 kA

  • Trip Current: 7-10 times of Input Current

V-Guard 40A 10kA B Curve Single Pole MCB, 1501553
By: V-Guard
Available on Request
₹281
  • Improved, Rugged Design of Operating Mechanism & State of the

  • State of Art: Specially Designed Arc Runner System Delivers Spectacular

L&T 15kA 40A Double Pole MCB, BB20400D
By: L&T
Available on Request
₹1,694
L&T 15kA 40A Three Pole MCB, BB30400D
By: L&T
Available on Request
₹2,125
Avni D-lite 40A C Curve Single Pole MCB
By: Avni D-lite
Available on Request
₹121
  • Shunt Trip: Bimetal

  • Trip Current: 7-10 times of Input Current

C&S 40A 1 Pole+N C Curve 10kA WiNtrip2 MCB, CSMBS1C40N
  • Padlocking Facility

  • Finger Proof Terminal

Chint NB1-63 40A 5kA C-Curve Double Pole UL MCB, 180194
Chint NB1-63H 40A 10kA D-Curve Single Pole MCB, 179805
C&S Wintrip D Type Higher Rating TPN MCB CSMB3D40N 40A (Pack of 4)
  • Magnetic Release Setting:(10-20)ln

  • Electrical/Mechanical Life:10,000 Cycles

Avni D-lite 40A C Curve 2 Pole MCB (Pack of 6)
By: Avni D-lite
Available on Request
₹1,447
  • Shunt Trip: Bimetal

  • Trip Current: 7-10 times of Input Current

C&S Wintrip2 40A C Curve DP MCB, CSMBS2C40 (Pack of 6)
  • Large Terminal Screws

  • Integrated Labour Channel Holder

C&S Wintrip 2 C Type Higher Rating TPN MCB CSMBS3C40N (Pack of 4)
  • Electrical/Mechanical Life:10,000 Cycles

  • Magnetic Release Setting:(5-10)ln

C&S Wintrip C Type Higher Rating FP MCB CSMB4C40 40A (Pack of 4)
  • Magnetic Release Setting:(5-10)ln

  • Electrical/Mechanical Life:10,000 Cycles

Chint NB1-63DC 40A 10kA C-Curve Single Pole UL MCB, 181150
Chint eBG 40A 6kA C-Curve Single Pole Non-RoHS MCB, 187299
C&S Wintrip B Type Higher Rating TP MCB CSMB3B40 40A (Pack of 4)
  • Electrical/Mechanical Life:10,000 Cycles

  • Magnetic Release Setting:(3-5)ln

B-Five Bsf 40A Triple Pole Neutral MCB, Bsf-417
By: B-Five
Available on Request
₹736
C&S Wintrip 2 D Type Higher Rating FP MCB CSMBS4D40 (Pack of 4)
  • AC MCB

  • Magnetic Release Setting:(10-20)ln

Chint NB1-63H 40A 10kA B-Curve Three Pole MCB, 179861
By: Chint
Available on Request
₹1,199
C&S Wintrip D Type Higher Rating DP MCB CSMB2D40 40A (Pack of 4)
  • Magnetic Release Setting:(10-20)ln

  • Electrical/Mechanical Life:10,000 Cycles

C&S Wintrip 2 D Type Higher Rating TPN MCB CSMBS3D40N (Pack of 4)
  • Magnetic Release Setting:(10-20)ln

  • AC MCB

C&S Wintrip D Type Higher Rating TP MCB CSMB3D40 40A (Pack of 4)
  • Electrical/Mechanical Life:10,000 Cycles

  • Magnetic Release Setting:(10-20)ln

Chint NB1-63 40A 5kA D-Curve Double Pole UL MCB, 180992

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Frequently Asked Questions about 40 Amp MCB

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.