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Thermal magnetic and Microprocessor based trip unit
Information on the GO - Unique Knowledge Manager (QR Code)

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
Common Internal accessories for the entire range

Fixed short circuit
Composed to User-Friendly Method

Trip free mechanism
SS Enclosure available

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

Adjustable short circuit from 1.5-1 Olr
Adjustable Overload from 0.5 - 1.0ln

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

Provision of theimai memory: OT-J/OFF
Adjustable short circuit from 1.5-1 Olr

Inbuilt ground fault protection available 20% to 100% of In
View last trip information

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

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

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

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

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
Inbuilt ground fault pratecbori available 20% to 100% of tn

Adjustable Short circuit 5 - 10 In
Double contact structure

Adjustable Overload 80-100%
Ics=100% Icu

Fixed Overload
Trip free mechanism

Double contact structure
Trip free mechanism

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

ATU (Thermal Magnetic) Release
Adjustable Short circuit 5 - 10 In

No Line-load Bias
Double contact structure

Adjustable Overload 40~100%
Microprocessor Release

Neutral with 100% rated current
No Line-load Bias

Adjustable Overload 40~100%
Microprocessor Release

Adjustable Overload 40~100%
Double contact structure

SS Enclosure available
FTM (Thermal Magnetic) Release






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


Trip Free Mechanism
Ics=100% Icu

ATU (Thermal Magnetic) Release
Adjustable Short circuit 5 - 10 In
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What is a Four Pole MCCB?
A Four Pole MCCB (Molded Case Circuit Breaker) is an electrical safety device that protects circuits from overcurrents (overloads and short circuits). It features four poles, meaning it can simultaneously interrupt all three phases of an AC power supply and the neutral conductor.
When is a Four Pole MCCB typically used?
Four Pole MCCBs are commonly used in systems with a neutral conductor that needs to be switched for safety, such as in IT power systems or where switching the neutral alongside the live conductors is a requirement for protection or maintenance.
What is the main difference between a Three Pole and a Four Pole MCCB?
A Three Pole MCCB switches and protects the three live conductors of an AC supply. A Four Pole MCCB does the same but also includes a fourth pole to switch and protect the neutral conductor simultaneously.
What are the advantages of using a Four Pole MCCB?
The primary advantage is the complete isolation of all conductors, including the neutral, ensuring enhanced safety during maintenance or fault conditions. This is crucial in specific earthing arrangements where neutral currents might be present.
Can a Four Pole MCCB be used in standard single-phase or three-phase systems?
While a Four Pole MCCB can be used in standard three-phase systems, its often more than necessary unless the neutral requires switching. For standard single-phase systems, a two-pole breaker is typically sufficient.