Location not set

Select delivery location

Cart

24 hrs Delivery

Electrical & Appliances

Office Supplies

Industrial Tools

Medical & Lab Supplies

Agri & Gardening

Safety Supplies

Construction Materials

Automotive

Packaging & Material Handling

  • category

  • price

  • brand

  • availability

  • discount

  • ratings

  • badges

  • rated voltage

  • number of poles

  • breaking capacity

  • curve type

40 Amp MCB

Showing 40 out of 358 Products
Sort By:  
C&S Wintrip2 40A DC Type DP MCB, CSMBS2DC Type40 (Pack of 6)
  • Fin ger proof Terminal

  • Air Circulation Channel

Legrand 40A DX³ Single Pole D Curve MCBs for AC Applications, 4087 20, (Pack of 10)
  • Integrated label holder

  • IP 20 protected terminals

L&T Tripper 40A Type C Three Pole MCB, BA30400C (Pack of 4)
Selvo 40A C Curve Four Pole MCB, GSELFPC12047
By: Selvo
Available on Request
₹1,087
  • Excellent Quality Material, Air Circulation Grooves, Positive Contact Position Indication,

  • Flame Retardant Body for Extra Strength & Insulation

Schneider Electric Easy-9 40A 6kA Double Pole C Curve MCB, EZ9F76240
4.4 (5 Reviews)
By: Schneider Electric
Available on Request
₹972
  • C Curve Trip Ensures Protection from Moderate Surges

  • 40 Amp Rated for Reliable Circuit Protection

Polycab Polyshield 40A C Curve Four Pole MCB, GMM204P007
By: Polycab
Available on Request
₹1,583
  • Bi-Stable Din Clip Position, Air Circulation & Ease of Clamping

  • High Quality Contact Tips & Energy Saver

HPL 10kA 40A Double Pole C Curve Techno N MCB, NTDPC6-32
Havells Reo 40A Four Pole C-Curve MCB, DHMXCFPZ040, Breaking Capacity: 6 kA
  • Line & Load Interchangeability

  • Ease of Installation

C&S 40A 3 Pole D Curve 10kA WiNtrip2 MCB, CSMBS3D40
By: C&S
Available on Request
₹1,994
ABB SB203 M-C40 40A 10kA Triple Pole MCB, 1SYS273012R0404
4.7 (10 Reviews)
By: ABB
Available on Request
₹1,841
Legrand 40A Double Pole MCB
4.1 (10 Reviews)
By: Legrand
Available on Request
₹1,662
  • It is safe and easy to use

Havells X7 40A Double Pole C Curve MCB, DHMYCDPM040
By: Havells
Available on Request
₹779
Havells X7 40A Four Pole C Curve MCB, DHMYCFPM040
By: Havells
Available on Request
₹1,675
Indoasian Optipro 40A C Curve Double Pole MCB, 811174
By: Indoasian
Available on Request
₹1,158
  • Line Load Reversibility

  • Energy Limitation Class 3

HPL 10kA 40A Single Pole Curve Techno MCB, NTSPDCC6-32
Havells EURO-II 40A C Curve TP MCB, DHMGCTPF040 (Pack of 4)
4.6 (5 Reviews)
By: Havells
Available on Request
₹5,208
  • Every device is provided with a dual position DIN rail

  • Trip free mechanism

Anchor UNO 40A C Type SP MCB, 98007
By: Anchor
Available on Request
₹227
Anchor UNO 40A C Type TPN MCB, 98039
By: Anchor
Available on Request
₹1,245
L&T Tripper 40A C-Curve Four Pole MCB, BA40400C
By: L&T
Available on Request
₹1,548
  • Higher Life with Use of Heavy Duty Contacts

  • Innovatively Designed Breathing Channels Between Poles Ensure Cooler Operation

L&T Tripper 40A C-Curve Double Pole MCB, BA20400C
  • High Quality Fire Retardant Material

  • Higher Life with Use of Heavy Duty Contacts

L&T 15kA 40A Double Pole MCB, BB20400C
By: L&T
Available on Request
₹1,369
L&T BB20400B 40 A Double Pole Miniature Circuit Breakers
Indoasian Optipro 40A D Curve 2 Pole MCB, 811300, Breaking Capacity: 10 kA
  • Biconnect Terminals

  • Energy Limitation Class 3

Siemens 5SL73407RC Miniature Circuit Breakers 40 A C-Curve
Havells Euro-II 40A Four Pole C Curve MCB, DHMGCFPF040
4.8 (5 Reviews)
By: Havells
Available on Request
₹1,582
  • 13 Plates Arc Chute for effective arc quenching

  • Low power consumption

L&T Tripper 40A B-Curve Single Pole MCB, BA10400B
  • High Quality Fire Retardant Material

  • True Contact Indication for Enhanced Safety

C&S 40A 3 Pole B Curve 10kA WiNtrip2 MCB, CSMBS3B40
By: C&S
Available on Request
₹1,682
  • Bi-Connect terminal for Cable and Bushbar

  • Padlocking Facility

HPL 10kA 40A Three Pole C Curve Techno N MCB, NTTPC6-32
C&S Wintrip2 40A B Curve FP MCB, CSMBS4B40 (Pack of 3)
  • Padlocking Facility

  • Integrated Labour Channel Holder

C&S 40A 2 Pole K Curve 10kA WiNtrip2 MCB, CSMBS2K40
By: C&S
Available on Request
₹1,306
  • Bi-Connect terminal for Cable and Bushbar

  • Large Dolly

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

Chint NB1-63DC 40A 6kA C-Curve Double Pole MCB, 182724
By: Chint
Available on Request
₹1,099
C&S Wintrip 2 B Type Higher Rating TP MCB CSMBS3B40 (Pack of 4)
  • AC MCB

  • Magnetic Release Setting:(3-5)ln

HPL 6kA 40A Single Pole B Curve Rakshak MCB, RSPB6-32
HPL 10kA 40A Double Pole D Curve Techno N MCB, NTDPD6-32
Chint eBG 40A 6kA C-Curve Double Pole Non-RoHS MCB, 187315

Hang on, Loading More

Related MCB Articles

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.