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Customer Care Number: 1800 103 1313



Reliable Overload & Short-circuit Protection
Handles 30 kA Breaking Capacity

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

Overload Adjustability: 0.63-0.8-1 x In
Short Circuit Adjustability: 6-8-10-13 x In

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

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

Current Limiting Type, Direct Mounting Arrangement for Extended Rotary Handle,
Adjustable Overload From 63-100% & Neutral Protection for All Breakers

Overload Adjustability: Fixed
Short Circuit Adjustability: Fixed

Short Circuit Adjustability: Fixed
Overload Adjustability: Fixed

Adjustable Overload From 63-100% & Neutral Protection for All Breakers
Thermal Magnetic Trip Unit with Adjustable O/L & S/C


Current Limiting Type, Direct Mounting Arrangement for Extended Rotary Handle,
Adjustable Overload From 63-100% & Neutral Protection for All Breakers

Thermal Magnetic Trip Unit with Adjustable O/L & S/C
Adjustable Overload From 63-100% & Neutral Protection for All Breakers

Overload Adjustability: Fixed
Short Circuit Adjustability: Fixed

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

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

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

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

Thermal Magnetic Trip Unit with Adjustable O/L & S/C
Adjustable Overload From 63-100% & Neutral Protection for All Breakers

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

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

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

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

Customer Care Number: 1800 103 1313



Knowledge Manager (QR Code)
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




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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.