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Thermal magnetic trip unit
Common Internal accessories for the entire range

Short Circuit Adjustability: Fixed
Overload Adjustability: Fixed

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

Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt
Microprocessor based trip unit

Common Internal accessories for the entire range
Information on the GO - Unique Knowledge Manager (QR Code)

Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt
Microprocessor based trip unit

Microprocessor based trip unit
Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt


Common Internal accessories for the entire range
Switch disconnectors


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



Trip Range: 100 A
Impulse Withstand Voltage: 8 kV






Impulse Withstand Voltage: 8 kV
Trip Range: 100 A

Adjustable magnetic setting 5 � 10 x Ir
Transparent cover for trip unit as standard



Adjustable magnetic setting 5 � 10 x Ir
Transparent cover for trip unit as standard


Ics= 50% Icu
Fixed Overload & Fixed Short Circuit Setting

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

Overload Adjustability: Fixed
Short Circuit Adjustability: Fixed


Communication using RS485/MOD0JS/Phofibus protocol
Inbuilt ground fault pratecbori available 20% to 100% of tn

Provision of theimai memory: OT-J/OFF
Adjustable Overload from 0.5 - 1.0ln

FTM (Thermal Magnetic) Release
SS Enclosure available

FTM (Thermal Magnetic) Release
Fixed Overload

Communication using RS485/MOD0JS/Phofibus protocol
Adjustable Overload from 0.5 - 1.0ln

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



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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.