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40 Amp MCCB

Showing 40 out of 307 Products
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Chint NM8N-125H TM 40A Four Pole Moulded Case Circuit Breakers, 271685
Siemens 2 Pole 40 A Molded Case Circuit Breaker 3VA1140-3ED22-0AA0
  • Thermal magnetic trip unit

  • Common Internal accessories for the entire range

Hager 40A 3 Pole h3 Thermal Magnetic Release MCCB, HHA040Z, Breaking Capacity: 25 kA
  • Short Circuit Adjustability: Fixed

  • Overload Adjustability: Fixed

Siemens 4 Pole 40 A Molded Case Circuit Breaker 3VA1140-3GE42-0AA0
  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

  • Common Internal accessories for the entire range

Siemens 4 Pole 40 A MCCB with Microprocessor Trip Unit 3VA2040-5HM42-0AA0
  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

  • Microprocessor based trip unit

Siemens 3 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VA1040-2ED32-0AA0
  • Common Internal accessories for the entire range

  • Information on the GO - Unique Knowledge Manager (QR Code)

Siemens 3 Pole 40 A MCCB with Microprocessor Trip Unit 3VA2040-4HL32-0AA0
  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

  • Microprocessor based trip unit

Siemens 3 Pole 40 A MCCB with Microprocessor Trip Unit 3VA2040-4HM32-0AA0
  • Microprocessor based trip unit

  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

Siemens 3 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VM11405ED320AA0
  • Common Internal accessories for the entire range

  • Switch disconnectors

Siemens 3 Pole 40 A MCCB Microprocessor Trip Unit 3VA2040-5HL32-0AA0
  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

  • Common Internal accessories for the entire range

Schneider Electric 40A 25kA 3 Pole MCCB, LV426253
By: Schneider Electric
Available on Request
₹8,679
Schneider Electric 40A 36kA 3 Pole Compact NSX Micrologic 2 MCCB, LV429772
  • Trip Range: 100 A

  • Impulse Withstand Voltage: 8 kV

Schneider Electric 40A 50kA 3 Pole Compact NSX Micrologic 2 MCCB, LV429797
  • Impulse Withstand Voltage: 8 kV

  • Trip Range: 100 A

Schneider Electric 40A 25kA 4 Pole Thermal Magnetic Trip MCCB, LV429564
By: Schneider Electric
Available on Request
₹12,539
  • Adjustable magnetic setting 5 � 10 x Ir

  • Transparent cover for trip unit as standard

Schneider Electric 40A 50kA 3 Pole MCCB, LV426453
By: Schneider Electric
Available on Request
₹12,568
Schneider Electric LV429684 4 Pole Molded Case Circuit Breaker MCCB Rated Current 40 A
Schneider Electric 40A 25kA 3 Pole Thermal Magnetic Trip MCCB, LV429554
By: Schneider Electric
Available on Request
₹8,718
  • Adjustable magnetic setting 5 � 10 x Ir

  • Transparent cover for trip unit as standard

Schneider Electric 40A 36kA 3 Pole MCCB, LV426353
By: Schneider Electric
Available on Request
₹10,568
Indoasian Optium 1.0E 40A F1 Four Pole MCCB, 830048
  • Ics= 50% Icu

  • Fixed Overload & Fixed Short Circuit Setting

Hager H3+ 50kA 40A P250 Three Pole MCCB with Microprocessor LSIG Release, HMT040LR
  • I2T ON/OFF for Precise Coordination, Dedicated Pre Trip Alarm Contact

  • Neutral Protection for All Breakers as Standard, Direct Mounting Arrangement

Hager 40A 4 Pole h3 Thermal Magnetic Release MCCB, HHA041Z, Breaking Capacity: 25 kA
  • Overload Adjustability: Fixed

  • Short Circuit Adjustability: Fixed

C&S 18 kA Four Pole New WiNbreak MCCB 40 A
By: C&S
Available on Request
₹5,761
  • Communication using RS485/MOD0JS/Phofibus protocol

  • Inbuilt ground fault pratecbori available 20% to 100% of tn

C&S 10 kA Double Pole WiNbreak MCCB 40 A
By: C&S
Available on Request
₹2,385
  • Provision of theimai memory: OT-J/OFF

  • Adjustable Overload from 0.5 - 1.0ln

C&S 40A 25kA 2 Pole WiNbreak-CS MCCB, CS2B2C40
By: C&S
Available on Request
₹4,979
  • FTM (Thermal Magnetic) Release

  • SS Enclosure available

C&S 40A 10kA 3 Pole WiNbreak-CS MCCB, CS2A3C40
By: C&S
Available on Request
₹2,603
  • FTM (Thermal Magnetic) Release

  • Fixed Overload

C&S 10 kA Four Pole WiNbreak MCCB 40 A
By: C&S
Available on Request
₹3,599
  • Communication using RS485/MOD0JS/Phofibus protocol

  • Adjustable Overload from 0.5 - 1.0ln

Hager H3+ 50kA 40A P160 Three Pole MCCB with Microprocessor LSI Release, HMS040JR
  • Microprocessor Trip Unit with LSI Protection, Adjustable Overload with Delay/Short

  • I2T ON/OFF for Precise Coordination, Dedicated Pre Trip Alarm Contact

Chint NM8N-125C TM 40A Four Pole Moulded Case Circuit Breakers, 271545

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Frequently Asked Questions about 40 Amp MCCB

What is a 40 Amp MCCB?

A 40 Amp MCCB (Molded Case Circuit Breaker) is an electrical safety device designed to protect electrical circuits from overcurrents, specifically rated for a maximum load of 40 amperes. It interrupts the flow of electricity when it detects a fault, preventing damage to equipment and wiring.

What is the primary function of a 40 Amp MCCB?

The primary function of a 40 Amp MCCB is to provide overcurrent protection. It safeguards electrical systems against overload conditions (where current exceeds the rated value for an extended period) and short circuits (where a sudden, very high surge of current occurs).

Where are 40 Amp MCCBs typically used?

40 Amp MCCBs are commonly used in industrial, commercial, and sometimes residential applications for protecting main power feeds, sub-circuits, motors, transformers, and other electrical equipment that draws up to 40 amps.

What are the key benefits of using a 40 Amp MCCB?

Key benefits include reliable overcurrent protection, enhanced safety by preventing electrical fires and equipment damage, and the ability to be manually reset after a fault. They offer a robust and durable solution for circuit protection.

How does a 40 Amp MCCB differ from a fuse?

Unlike a fuse which is a sacrificial device that must be replaced after it blows, an MCCB is a resettable device. When a fault occurs, the MCCB trips and can be manually reset to restore power once the fault condition is resolved, offering greater convenience and potentially lower long-term costs.