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

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

Adjustable Overload 80-100%
Trip free mechanism




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

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

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

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


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

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

I2T ON/OFF for Precise Coordination, Dedicated Pre Trip Alarm Contact
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

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


Microprocessor Trip Unit with LSIG Protection & OLED Display, Multifunction
I2T ON/OFF for Precise Coordination, Pre Trip Alarm Contact to...

Adjustable Overload 80-100%
Fixed short circuit 10 In

Communication compatible
Double contact structure

Switch disconnectors
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
Thermal magnetic and Microprocessor based trip unit

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

Switch disconnectors
Knowledge Manager (QR Code)

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

Switch disconnectors
Common Internal accessories for the entire range





Communication using RS485/MOD0JS/Phofibus protocol
Provision of theimai memory: OT-J/OFF

Neutral Protection 50% to 100%
Microprocessor Release

Adjustable Overload 40~100%
Double contact structure

No Line-load Bias
ATU (Thermal Magnetic) Release

Current limiting
Communication compatible

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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.