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40 Amp MCCB

Showing 40 out of 307 Products
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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 18 kA Four Pole New WiNbreak MCCB 40 A
By: C&S
Available on Request
₹5,761
  • Communication using RS485/MOD0JS/Phofibus protocol

  • Adjustable short circuit from 1.5-1 Olr

C&S 10 kA Double Pole WiNbreak MCCB 40 A
By: C&S
Available on Request
₹2,385
  • Communication using RS485/MOD0JS/Phofibus protocol

  • Provision of theimai memory: OT-J/OFF

HPL 40A 25kA Single Pole MCCB TAB 0, TAB0040C1P
By: HPL
Available on Request
₹1,016
HPL 40A 36kA 3 Pole Motor Duty MCCBs - MD Series, MD3PNT2052
Chint NM8N-125C TM 40A Four Pole Moulded Case Circuit Breakers, 271545
Siemens 3 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VM10403ED320AA0
  • Knowledge Manager (QR Code)

  • Switch disconnectors

Siemens 4 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VM10403ED420AA0
  • Knowledge Manager (QR Code)

  • Switch disconnectors

Siemens 4 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VM11403GE420AA0
  • Common Internal accessories for the entire range

  • Switch disconnectors

Siemens 3 Pole 40 A Molded Case Circuit Breaker 3VA1040-3ED32-0AA0
  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

  • Thermal magnetic and Microprocessor based trip unit

Chint NM8N-125R TM 40A Four Pole Moulded Case Circuit Breakers, 271715
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

Siemens 3 Pole 40 A Molded Case Circuit Breaker 3VA1140-4EE32-0AA0
  • Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

  • Thermal magnetic trip unit

Hager H3+ 50kA 40A P250 Three Pole MCCB with Microprocessor LSIG Release, HMT040LR
  • Neutral Protection for All Breakers as Standard, Direct Mounting Arrangement

  • Microprocessor Trip Unit with LSIG Protection, Adjustable Overload with Delay/Short

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

  • Short Circuit Adjustability: Fixed

Hager 40A 3 Pole h3 Thermal Magnetic Release MCCB, HDA040Z, Breaking Capacity: 18 kA
  • Short Circuit Adjustability: Fixed

  • Overload Adjustability: Fixed

Hager 40A 4 Pole h3 Thermal Magnetic Release MCCB, HDA041U, Breaking Capacity: 18 kA
  • Short Circuit Adjustability: Fixed

  • Overload Adjustability: 0.63-0.8-1 x In

Hager 40A 3 Pole h3 Thermal Magnetic Release MCCB, HDA040U, Breaking Capacity: 18 kA
  • Overload Adjustability: 0.63-0.8-1 x In

  • Short Circuit Adjustability: Fixed

Anchor UNO 40A 3P 10kA B0 MCCB, 98524
By: Anchor
Available on Request
₹1,685
Siemens 4 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VA1140-4GE42-0AA0
  • Common Internal accessories for the entire range

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

Siemens 3 Pole 40 A MCCB with Microprocessor Trip Unit 3VA2040-6HL32-0AA0
  • Common Internal accessories for the entire range

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

Siemens 1 Pole 40 A Molded Case Circuit Breaker Thermal Magnetic Trip Unit 3VM11403ED120AA0
  • Switch disconnectors

  • Common Internal accessories for the entire range

Siemens 4 Pole 40 A Molded Case Circuit Breaker 3VA1140-4GD42-0AA0
  • Information on the GO - Unique Knowledge Manager (QR Code)

  • Thermal magnetic and Microprocessor based trip unit

Schneider Electric LV429787 4 Pole Molded Case Circuit Breaker MCCB Rated Current 40 A
Schneider Electric 40A 36kA Micrologic 2 MCCB, LV429782
By: Schneider Electric
Available on Request
₹20,161
  • Trip Range: 100 A

  • Impulse Withstand Voltage: 8 kV

Schneider Electric 40A 25kA 3 Pole Compact NSX Micrologic 2 MCCB, LV429777
  • Impulse Withstand Voltage: 8 kV

  • Trip Range: 100 A

Siemens 4 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VA1140-5GE42-0AA0
  • Information on the GO - Unique Knowledge Manager (QR Code)

  • Common Internal accessories for the entire range

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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.