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


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

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

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
Switch disconnectors

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

Wide Range of snap fit Internal and External Accessories
Adjustable Overload Setting: 0.8 - 1.0 x In




Compact Size
Adjustable Overload Setting: 0.8 - 1.0 x In

Common Internal accessories for the entire range
Microprocessor based trip unit







LSIN protection
Trip free mechanism

LSIN protection
Trip free mechanism

Adjustable Overload 80-100%
Adjustable Short circuit 5 - 10 In

No Line-load Bias
ETS (Microprocessor based) Release

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

Communication using RS485/MOD0JS/Phofibus protocol
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

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

Double contact structure
No Line-load Bias

No Line-load Bias
Adjustable Overload 80-100%

FTM (Thermal Magnetic) Release
Fixed short circuit

Fixed Overload
Fixed short circuit

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

Adjustable Short circuit 5 - 10 In
Adjustable Overload 80-100%

Neutral Protection 50% to 100%
Trip free mechanism

Neutral with 100% rated current
No Line-load Bias

Adjustable Short circuit 5 - 10 In
Trip free mechanism

Adjustable Overload 40~100%
No Line-load Bias

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

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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.