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40 Amp MCB

Showing 40 out of 358 Products
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Chint NB1-63DC 40A 6kA C-Curve Double Pole MCB, 182724
By: Chint
Available on Request
₹1,099
ABB 40A C Curve TPN MCB, SH203M-C 40 (Pack of 3)
By: ABB
Available on Request
₹6,772
  • Scratch and solvent resistant body

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

C&S Wintrip 2 B Type Higher Rating TP MCB CSMBS3B40 (Pack of 4)
  • AC MCB

  • Electrical/Mechanical Life:10,000 Cycles

C&S 40A 3 Pole B Curve 10kA WiNtrip2 MCB, CSMBS3B40
By: C&S
Available on Request
₹1,682
  • Large Terminal Screws

  • Finger Proof Terminal

L&T 40A Single Pole DC MCB, BJ1040DC
By: L&T
Available on Request
₹755
RC Bentex 40A Series B Curve SPN MCB, Capacity: 240/415 V AC
  • Breaking Capacity of 10kA throughout the Range

  • Trip Free Mechanism

HPL 10kA 40A Single Pole C Curve Techno N MCB, NTSPC6-32
HPL 10kA 40A Three Pole C Curve Techno N MCB, NTTPC6-32
Chint eBG 40A 6kA C-Curve Three Pole Non-RoHS MCB, 187331
Chint eB 40A 4.5kA C-Curve Double Pole MCB, 186470
By: Chint
Available on Request
₹539
C&S Wintrip 2 C Type Higher Rating TP MCB CSMBS3C40 (Pack of 4)
  • Magnetic Release Setting:(5-10)ln

  • AC MCB

ABB 40A C Curve SP MCB, SH201M-C 40NA (Pack of 6)
By: ABB
Available on Request
₹3,148
  • Scratch and solvent resistant body

  • 25 mm² cage terminals

B-Five Bsf 40A Four Pole MCB, Bsf-411
By: B-Five
Available on Request
₹782
Avni D-lite 40A C Curve Triple Pole Neutral MCB
By: Avni D-lite
Available on Request
₹549
  • Trip Current: 7-10 times of Input Current

  • Rated Impulse Voltage: 440 V

Avni D-lite 40A C Curve Single Pole MCB (Pack of 12)
By: Avni D-lite
Available on Request
₹1,248
  • Rated Impulse Voltage: 440 V

  • Dielectric Strength: 10 kA

Chint NB1-63 40A 5kA C-Curve Single Pole UL MCB, 180270
Halonix Sure 40A Double Pole C Curve MCB, LSD12000070
By: Halonix
Available on Request
₹446
  • Silver Contact Point for Long Durability & Finger Touch Proof

  • Air Vent Provision for Strategic Air Circulation Around Individual Poles

Chint NB1-63 40A 5kA D-Curve Single Pole UL MCB, 180979
C&S Wintrip D Type Higher Rating SPN MCB CSMB1D40N 40A (Pack of 4)
  • Magnetic Release Setting:(10-20)ln

  • Electrical/Mechanical Life:10,000 Cycles

C&S Wintrip2 40A B Curve FP MCB, CSMBS4B40 (Pack of 3)
  • Fin ger proof Terminal

  • Padlocking Facility

C&S 40A 4 Pole K Curve 10kA WiNtrip2 MCB, CSMBS4K40
By: C&S
Available on Request
₹2,623
  • Two Stage easy snapping device for Din Rail Mounting

  • Bi-Connect terminal for Cable and Bushbar

C&S Wintrip B Type Higher Rating SP MCB CSMB1B40 40A (Pack of 6)
  • Magnetic Release Setting:(3-5)ln

  • Electrical/Mechanical Life:10,000 Cycles

C&S 40A 2 Pole K Curve 10kA WiNtrip2 MCB, CSMBS2K40
By: C&S
Available on Request
₹1,306
  • Air Circulation Channel

  • Padlocking Facility

C&S Wintrip C Type Higher Rating SP MCB CSMBS1C40 40A (Pack of 4)
  • Electrical/Mechanical Life:10,000 Cycles

  • Magnetic Release Setting:(5-10)ln

C&S 40A 1 Pole+N B Curve 10kA WiNtrip2 MCB, CSMBS1B40N
  • Bi-Connect terminal for Cable and Bushbar

  • Large Terminal Screws

HPL 10kA 40A Four Pole D Curve Techno N MCB, NTFPD6-32
L&T 40A C Curve 2 Pole MCB, BB20400C (Pack of 6)
By: L&T
Available on Request
₹1,232
  • Low watt loss almost 50% of the values prescribed by

  • Suitable for accessory fitment

L&T 40A C Curve Single Pole MCB, BB10400C (Pack of 12)
  • No Line-Load bias

  • True contact indication for individual pole

C&S Wintrip2 40A C Curve SP MCB, CSMBS1C40
By: C&S
Available on Request
₹533
  • Padlocking Facility

  • Fin ger proof Terminal

Havells Euro-II 40A Single Pole C Curve MCB, DHMGCSPF040
  • Every device is provided with a dual position DIN rail

  • Cooler Operation

Polycab Polyshield 40A C Curve Triple Pole MCB, GMM203P007
  • Attractive Label Holder, Large & Dual Terminating Terminal Size

  • Positive Contact Position Indication

L&T BB20400C 40 A Double Pole Miniature Circuit Breakers
L&T BB30400B 40 A Three Pole Miniature Circuit Breakers
L&T 15kA 40A Three Pole MCB, BB30400B
By: L&T
Available on Request
₹1,724
L&T 15kA 40A Four Pole MCB, BB40400D
By: L&T
Available on Request
₹2,328
L&T 15kA 40A Four Pole MCB, BB40400C
By: L&T
Available on Request
₹2,176
Havells X7 40A Single Pole C Curve MCB, DHMYCSPM040
By: Havells
Available on Request
₹378

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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.