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Knowledge Manager (QR Code)
Switch disconnectors




Communication compatible
Neutral with 100% rated current

ATU (Thermal Magnetic) Release
Trip free mechanism

Adjustable Short circuit 5 - 10 In
No Line-load Bias

Inbuilt ground fault pratecbori available 20% to 100% of tn
Adjustable Overload from 0.5 - 1.0ln

Inbuilt ground fault pratecbori available 20% to 100% of tn
Provision of theimai memory: OT-J/OFF

Inbuilt ground fault pratecbori available 20% to 100% of tn
Adjustable short circuit from 1.5-1 Olr







FMU (Thermal Magnetic) Release
Trip Free Mechanism

FTM (Thermal Magnetic) Release
Fixed short circuit








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

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

Short Circuit Adjustability: Fixed
Overload Adjustability: Fixed

FTM (Thermal Magnetic) Release
Fixed Overload


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



Common Internal accessories for the entire range
Thermal magnetic trip unit

Information on the GO - Unique Knowledge Manager (QR Code)
Innovative Accessories viz. Short Circuit Alarm Switch, Illuminated Handle, Shunt

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

Protection type LSIGN
Trip Range: 100 A

Common Internal accessories for the entire range
Microprocessor based trip unit

Optium 2.0 Adjustable Thermal Setting & Class II Front Face
Adjustable Overload Setting Ir= (0.8 to 1.0)xIn

Optium 1.0 Fixed TM Range & Class II Front Face
Fixed Overload & Fixed Short Circuit Setting
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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.