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schneider A9F90276 | Miniature circuit breaker (MCB), Acti9 iC60L, 2P, 6.3A, MA curve, 20kA (IEC/EN 60947-2)

Schneider Electric
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schneider A9F90276 | Miniature circuit breaker (MCB), Acti9 iC60L, 2P, 6.3A, MA curve, 20kA (IEC/EN 60947-2)

schneider A9F90276 description

Circuit breakers are essential components in modern electrical systems, designed to protect against overcurrents and short circuits. This article will provide a detailed look at the Schneider A9F90276, a miniature circuit breaker (MCB) known for its reliability and advanced features.

Schneider A9F90276

The Schneider A9F90276 is a 1-pole, 20A MCB from the Acti9 series, featuring a C curve. The C curve is suited for circuits with moderate inrush currents, making this MCB ideal for general-purpose applications in both residential and commercial settings. Its compact design and robust performance make it a popular choice for a wide range of electrical protection needs.

How Circuit Breakers Work

Circuit breakers act as protective devices in electrical systems by automatically disconnecting the power supply when they detect an overcurrent or short circuit. They monitor the current flow and trip to interrupt the electrical circuit when irregularities are found, preventing potential damage and ensuring the safety of the system.

Types of Circuit Breakers

Various types of circuit breakers are available, including Miniature Circuit Breakers (MCBs), Residual Current Circuit Breakers (RCCBs), and more. Each type is designed to fulfill specific functions, from protecting against overloads and short circuits to detecting residual currents.

Importance in Safety

Circuit breakers play a crucial role in maintaining electrical safety. By preventing overcurrents and short circuits, they help avoid potential hazards such as fires, equipment damage, and electric shocks. Their proper functioning is essential for the overall safety and reliability of electrical systems.

Installation Process

To install the Schneider A9F90276 circuit breaker, follow these steps:

  1. Turn off the main power: Ensure the main power supply is off to prevent accidents.
  2. Identify the circuit: Determine the location where the MCB will be installed.
  3. Connect the MCB: Attach the MCB to the circuit, ensuring that all connections are secure and correct.
  4. Test the installation: After installation, test the MCB to ensure it trips and resets correctly.

Maintenance Tips

Regular maintenance of your circuit breaker is vital for its performance:

  1. Periodic testing: Regularly test the MCB to ensure it operates correctly.
  2. Inspect for damage: Look for any signs of physical damage or wear.
  3. Replace faulty units: Replace any malfunctioning MCBs promptly to maintain system safety.

Conclusion

The Schneider A9F90276 MCB is a reliable and efficient choice for protecting electrical circuits from overcurrents and short circuits. With proper installation and regular maintenance, it ensures the safety and longevity of your electrical systems.

SKU: A9F90276 Category:
brands

Main
Device application Motor
Range Acti9
Product name Acti9 iC60
Product or component type Miniature circuit-breaker
Device short name iC60L
poles description 2P
Number of protected poles 2
[In] rated current 6.3 A
Network type AC
Trip unit technology Magnetic
Curve code MA
Breaking capacity 15 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2
20 kA Icu at 380…415 V AC 50/60 Hz conforming to EN/IEC 60947-2
40 kA Icu at 220…240 V AC 50/60 Hz conforming to EN/IEC 60947-2
Utilisation category Category A conforming to EN 60947-2
Category A conforming to IEC 60947-2
Suitability for isolation Yes conforming to EN 60947-2
Yes conforming to IEC 60947-2
Standards IEC 60947-2
EN 60947-2
Complementary
Network frequency 50/60 Hz
Magnetic tripping limit 12 x In +/- 20 %
[Ics] rated service breaking capacity 10 kA 50 % conforming to EN 60947-2 – 380…415 V AC 50/60 Hz
7.5 kA 50 % conforming to EN 60947-2 – 440 V AC 50/60 Hz
10 kA 50 % conforming to IEC 60947-2 – 380…415 V AC 50/60 Hz
7.5 kA 50 % conforming to IEC 60947-2 – 440 V AC 50/60 Hz
20 kA 50 % conforming to EN 60947-2 – 220…240 V AC 50/60 Hz
20 kA 50 % conforming to IEC 60947-2 – 220…240 V AC 50/60 Hz
Limitation class 3 conforming to EN 60898-1
3 conforming to IEC 60898-1
[Ui] rated insulation voltage 500 V AC 50/60 Hz conforming to EN 60947-2
500 V AC 50/60 Hz conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage 6 kV conforming to EN 60947-2
6 kV conforming to IEC 60947-2
Contact position indicator Yes
Control type Toggle
local signalling Trip indicator
mounting mode Fixed
Mounting support DIN rail
Comb busbar and distribution block compatibility Top or bottom: YES
9 mm pitches 4
Height 85 mm
Width 36 mm
Depth 78.5 mm
Net weight 0.25 kg
Colour White
Mechanical durability 20000 cycles
Electrical durability 10000 cycles
Connections – terminals Single terminal (top or bottom) 1…25 mm² rigid
Single terminal (top or bottom) 1…16 mm² flexible
Wire stripping length 14 mm for top or bottom connection
Tightening torque 2 N.m top or bottom
Earth-leakage protection Separate block
Environment
IP degree of protection IP20 conforming to IEC 60529
IP20 conforming to EN 60529
Pollution degree 3 conforming to EN 60947-2
3 conforming to IEC 60947-2
Overvoltage category IV
Tropicalisation 2 conforming to IEC 60068-1
Relative humidity 95 % at 55 °C
Operating altitude 0…2000 m
Ambient air temperature for operation -35…70 °C
ambient air temperature for storage -40…85 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 7.1 cm
Package 1 Width 3.5 cm
Package 1 Length 9.3 cm
Package 1 Weight 217.0 g
Unit Type of Package 2 BB1
Number of Units in Package 2 6
Package 2 Height 8.1 cm
Package 2 Width 10.1 cm
Package 2 Length 22.3 cm
Package 2 Weight 1.352 kg
Unit Type of Package 3 S03
Number of Units in Package 3 66
Package 3 Height 30.0 cm
Package 3 Width 30.0 cm
Package 3 Length 40.0 cm
Package 3 Weight 15.411 kg
Contractual warranty
Warranty 18 months

Main Document

Data Sheet : A9F90276

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فندق انتركونتيننتال سيتى ستارز قاعة السرايا بتاريخ 22-09-2024