Abb Air Circuit Breaker Acb

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Abb Air Circuit Breaker Acb Specification

Mechanical Life
Up to 20,000 operations

Phase
Three Phase

Rated Short Circuit Breaking Current
Up to 100 kA rms

Rated Short Circuit Making Current
Up to 220 kA peak

Breaking Capacity
Up to 100 kA

Product Type
Air Circuit Breaker (ACB)

Installation Options
Fixed or Withdrawable

Function
Protection and Switching of Electrical Circuits

Poles Number
3 Pole or 4 Pole (optional)

Rated Voltage
Up to 690V AC

Rated Current
Up to 6300A

Rated Frequency
50/60 Hz

Curves
Type L, M, H/adjustable trip curves

Temperature Protection
Integrated Overload and Short-Circuit Protection

Weight
Appx. 35 kg (varies by model)

Color
Black/Grey

Rated Impulse Withstand Voltage
12kV

Service Environment
-5°C to +40°C, relative humidity up to 95% non-condensing

Operation Method
Manual & Electrical

Trip Unit
Electronic and Microprocessor based

Auxiliary Contacts
Available

Rated Insulation Voltage
1000V

Protection Features
Long-time, Short-time, Instantaneous, and Ground fault protection

Electrical Life
Up to 10,000 operations

Accessories
Shunt trip, Under-voltage trip, Motor operator

About Abb Air Circuit Breaker Acb

Poles Number	3 Pole
Power Supply Voltage	415V
Rated Current	800A-6000A
Operating Frequency	50 HZ
Frequency	50-60Hz
Phase	3Phase
Voltage	415V
Rated Short Circuit Breaking Capacity	50KA
Automation Grade	Automatic

Advanced Protection Features

The ABB Air Circuit Breaker is engineered with comprehensive protection features, including long-time, short-time, instantaneous, and ground fault protection. Its trip unit leverages electronic and microprocessor technology, ensuring precise fault detection and circuit isolation, safeguarding equipment and personnel from electrical hazards.

Flexible Installation and Versatility

Designed to adapt to diverse electrical distribution requirements, this ACB supports both fixed and withdrawable installations. It is available in 3 and 4-pole configurations, with adjustable trip curves (Type L, M, H) for tailored application. Its rated voltage up to 690V AC and breaking capacity up to 100 kA make it suitable for high-demand environments.

Enhanced Operation and Control

With both manual and electrical operation methods, the ABB ACB offers flexibility for different system needs. Compatible accessories like shunt trip, under-voltage trip, and motor operator allow integration into automated and remote-controlled systems, boosting operational efficiency and safety.

FAQs of Abb Air Circuit Breaker Acb:

Q: How does the ABB Air Circuit Breaker provide protection in electrical circuits?

A: The ABB ACB offers advanced protection through its electronic microprocessor-based trip unit, delivering long-time, short-time, instantaneous, and ground fault protection. This ensures rapid and accurate disconnection during overloads or faults, minimizing damage and enhancing safety.

Q: What installation options are available for the ABB ACB, and where can it be used?

A: This air circuit breaker supports both fixed and withdrawable installation modes, making it adaptable for various commercial and industrial applications. It is suitable for environments with temperatures between -5C and +40C and relative humidity up to 95% non-condensing, making it ideal for deployment across India.

Q: When is it beneficial to use auxiliary contacts and accessories like shunt trip or motor operator?

A: Auxiliary contacts and accessories such as shunt trip, under-voltage trip, and motor operator enhance monitoring, remote tripping, and automatic operation. These are beneficial for complex electrical systems requiring integration with control panels or automated safety protocols.

Q: What is the process for selecting the right ABB Air Circuit Breaker configuration?

A: To select the appropriate ABB ACB, determine your systems rated current (up to 6300A), installation type (fixed or withdrawable), number of poles, required breaking capacity, and specific protection features. Consulting with an authorized service provider or trader in India can help match product features to your project requirements.

Q: How should the ABB ACB be used for optimal performance and safety?

A: Ensure proper installation by a certified electrician and configure the adjustable trip settings according to your system demands. Routine inspection of auxiliary devices and regular testing of the trip unit can maintain reliability and performance. Adherence to manufacturers commissioning guidelines is essential.

Q: What are the main benefits of using the ABB Air Circuit Breaker in electrical systems?

A: Key benefits include robust protection against electrical faults, high breaking capacity (up to 100 kA), long electrical and mechanical life, versatile installation options, and support for modern automation through its electronic trip unit and accessory compatibility, leading to increased operational reliability and reduced downtime.

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