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Common Internal accessories for the entire range
Knowledge Manager (QR Code)

Common Internal accessories for the entire range
Knowledge Manager (QR Code)

Common Internal accessories for the entire range
Thermal magnetic and Microprocessor based trip unit



Impulse Withstand Voltage: 8 kV
Trip Range: 100 A

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Thermal magnetic and Microprocessor based trip unit

Thermal magnetic trip unit
Common Internal accessories for the entire range

Knowledge Manager (QR Code)
Common Internal accessories for the entire range





Common Internal accessories for the entire range
Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

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Common Internal accessories for the entire range

Switch disconnectors
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Microprocessor based trip unit
Common Internal accessories for the entire range

Microprocessor Trip Unit with LSI Protection, Adjustable Overload with Delay/Short
Neutral Protection for All Breakers as Standard, Direct Mounting Arrangement

Neutral Protection for All Breakers as Standard, Direct Mounting Arrangement
I2T ON/OFF for Precise Coordination, Dedicated Pre Trip Alarm Contact

Adjustable Overload with Delay/Short Circuit with Adjustable Delay/Ground Fault &
Microprocessor Trip Unit with LSIG Protection & OLED Display, Multifunction

Current Limiting Type, Direct Mounting Arrangement for Extended Rotary Handle,
Thermal Magnetic Trip Unit with Adjustable O/L & S/C

Overload Adjustability: Fixed
Short Circuit Adjustability: Fixed

I2T ON/OFF for Precise Coordination, Dedicated Pre Trip Alarm Contact
Microprocessor Trip Unit with LSIG Protection, Adjustable Overload with Delay/Short

Neutral Protection for All Breakers as Standard, Direct Mounting Arrangement
I2T ON/OFF for Precise Coordination, Dedicated Pre Trip Alarm Contact





Trip Range: 100 A
Impulse Withstand Voltage: 8 kV

Short Circuit Adjustability: Fixed
Overload Adjustability: 0.63-0.8-1 x In

Overload Adjustability: 0.63-0.8-1 x In
Short Circuit Adjustability: Fixed

Short Circuit Adjustability: Fixed
Overload Adjustability: Fixed

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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.