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40 Amp MCCB

Showing 40 out of 307 Products
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Hager H3+ 50kA 40A P160 Four Pole MCCB with Thermal Magnetic Release, HMS041DR
  • Thermal Magnetic Trip Unit with Adjustable O/L & S/C

  • Current Limiting Type, Direct Mounting Arrangement for Extended Rotary Handle,

Hager H3+ 40kA 40A P160 Four Pole MCCB with Microprocessor LSIG Energy Release, HNS041NR
  • I2T ON/OFF for Precise Coordination, Pre Trip Alarm Contact to...

  • Adjustable Overload with Delay/Short Circuit with Adjustable Delay/Ground Fault &

C&S 40A 50kA 4 Pole WiNbreak2 MCCB, CS160NETS404P
By: C&S
Available on Request
₹34,599
  • Double contact structure

  • ETS (Microprocessor based) Release

Chint NM8N-125H TM 40A Four Pole Moulded Case Circuit Breakers, 271685
Chint NBP-63R 40A Double Pole Moulded Case Circuit Breakers, 352382
C&S 37 kA Double Pole New WiNbreak MCCB 40 A
By: C&S
Available on Request
₹5,248
  • Inbuilt ground fault pratecbori available 20% to 100% of tn

  • Communication using RS485/MOD0JS/Phofibus protocol

Schneider Electric LV429684 4 Pole Molded Case Circuit Breaker MCCB Rated Current 40 A
Siemens 2 Pole 40 A Molded Case Circuit Breaker 3VA1140-3ED22-0AA0
  • Common Internal accessories for the entire range

  • Thermal magnetic trip unit

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

  • Common Internal accessories for the entire range

Siemens 3 Pole 40 A MCCB with Microprocessor Trip Unit 3VA2040-4HL32-0AA0
  • Microprocessor based trip unit

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

Siemens 4 Pole 40 A Molded Case Circuit Breaker 3VA1140-3GE42-0AA0
  • Thermal magnetic trip unit

  • Common Internal accessories for the entire range

Siemens 3 Pole 40 A MCCB Microprocessor Trip Unit 3VA2040-5HL32-0AA0
  • Common Internal accessories for the entire range

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

Siemens 4 Pole 40 A MCCB with Microprocessor Trip Unit 3VA2040-5HM42-0AA0
  • Microprocessor based trip unit

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

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

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

Siemens 3 Pole 40 A MCCB Thermal Magnetic Trip Unit 3VM11405ED320AA0
  • Switch disconnectors

  • Common Internal accessories for the entire range

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

  • Short Circuit Adjustability: Fixed

Indoasian Optium 1.0E 40A F1 Four Pole MCCB, 830048
  • Ics= 50% Icu

  • Fixed Overload & Fixed Short Circuit Setting

C&S 18 kA Four Pole New WiNbreak MCCB 40 A
By: C&S
Available on Request
₹5,761
  • Adjustable Overload from 0.5 - 1.0ln

  • Communication using RS485/MOD0JS/Phofibus protocol

C&S 10 kA Double Pole WiNbreak MCCB 40 A
By: C&S
Available on Request
₹2,385
  • Adjustable short circuit from 1.5-1 Olr

  • Provision of theimai memory: OT-J/OFF

C&S 40A 25kA 2 Pole WiNbreak-CS MCCB, CS2B2C40
By: C&S
Available on Request
₹4,979
  • Trip free mechanism

  • FTM (Thermal Magnetic) Release

C&S 40A 10kA 3 Pole WiNbreak-CS MCCB, CS2A3C40
By: C&S
Available on Request
₹2,603
  • Fixed Overload

  • Fixed short circuit

C&S 10 kA Four Pole WiNbreak MCCB 40 A
By: C&S
Available on Request
₹3,599
  • Adjustable short circuit from 1.5-1 Olr

  • Provision of theimai memory: OT-J/OFF

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

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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.