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schneider A9F87332 | Miniature circuit-breaker, Acti9 iC60H, 3P, 32 A, C curve, 10000 A (IEC 60898-1), 15 kA (IEC 60947-2)

schneider A9F87332 | Miniature circuit-breaker, Acti9 iC60H, 3P, 32 A, C curve, 10000 A (IEC 60898-1), 15 kA (IEC 60947-2)

Schneider Electric
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Miniature circuit-breaker, Acti9 iC60H, 3P, 32 A, C curve, 10000 A (IEC 60898-1), 15 kA (IEC 60947-2)

schneider A9F87332 description

Circuit breakers are essential for protecting electrical systems from overcurrents and short circuits. This article will delve into the Schneider A9F87332, a miniature circuit breaker (MCB) known for its reliability and efficiency.

Schneider A9F87332

The Schneider A9F87332 is a 1-pole, 32A MCB from the Acti9 series. It features a C curve, making it suitable for protecting circuits with moderate inrush currents, such as lighting and distribution circuits. This MCB is designed for both residential and commercial applications, ensuring high safety and operational efficiency.

How Circuit Breakers Work

Circuit breakers safeguard electrical systems by automatically cutting off the power supply when an overcurrent or short circuit is detected. They monitor the current flow and trip to stop the flow of electricity when anomalies are found, preventing damage to the electrical circuit.

Types of Circuit Breakers

There are various types of circuit breakers, including Miniature Circuit Breakers (MCBs), Residual Current Circuit Breakers (RCCBs), and more. Each type has its specific function, from protecting against overloads and short circuits to detecting residual currents.

Importance in Safety

Circuit breakers are crucial for electrical safety. They help prevent potential hazards like fires, equipment damage, and electric shocks by interrupting overcurrents and short circuits. Their role in safeguarding electrical systems is indispensable.

Installation Process

Installing a circuit breaker such as the Schneider A9F87332 involves several steps:

  1. Turn off the main power: Ensure the main power supply is off to avoid any accidents.
  2. Identify the circuit: Determine where the MCB will be installed.
  3. Connect the MCB: Securely connect the MCB to the circuit, making sure all connections are tight and correct.
  4. Test the installation: After installation, test the MCB to ensure it trips and resets correctly.

Maintenance Tips

Regular maintenance of circuit breakers is essential to ensure their proper functioning:

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

Common FAQs

  1. What is the difference between an MCB and an RCCB?
    • An MCB protects against overloads and short circuits, while an RCCB detects residual currents to prevent electric shocks.
  2. Can MCBs be used in residential applications?
    • Yes, MCBs like the Schneider A9F87332 are suitable for both residential and commercial applications.
  3. What does the ‘C curve’ mean in an MCB?
    • The ‘C curve’ indicates the MCB’s tripping characteristics, suitable for circuits with moderate inrush currents.
  4. How often should an MCB be tested?
    • It’s recommended to test MCBs at least once a year to ensure they function properly.
  5. Are MCBs affected by environmental factors?
    • Yes, extreme temperatures and humidity can affect MCB performance, so it’s important to consider the installation environment.

Conclusion

The Schneider A9F87332 MCB is a reliable and efficient solution for protecting electrical circuits from overcurrents and short circuits. With proper installation and maintenance, it ensures the safety and longevity of electrical systems.

SKU: A9F87332 Category:
brands

Main
Device application Distribution
Range Acti9
Product name Acti9 iC60
product or component type Miniature circuit-breaker
Device short name iC60H
poles description 3P
Number of protected poles 3
[In] rated current 32 A
Network type DC
AC
Trip unit technology Thermal-magnetic
Curve code C
Breaking capacity 10000 A Icn at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1
42 kA Icu at 12…60 V AC 50/60 Hz conforming to EN/IEC 60947-2
10 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2
15 kA Icu at 380…415 V AC 50/60 Hz conforming to EN/IEC 60947-2
30 kA Icu at 220…240 V AC 50/60 Hz conforming to EN/IEC 60947-2
42 kA Icu at 100…133 V AC 50/60 Hz conforming to EN/IEC 60947-2
15 kA Icu at <= 180 V DC 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 60898-1
Yes conforming to EN 60947-2
Yes conforming to IEC 60898-1
Yes conforming to IEC 60947-2
Standards IEC 60947-2
EN 60898-1
IEC 60898-1
EN 60947-2
Quality labels NF
Complementary
Network frequency 50/60 Hz
Magnetic tripping limit 8 x In +/- 20 %
[Ics] rated service breaking capacity 15 kA 50 % conforming to EN 60947-2 – 220…240 V AC 50/60 Hz
7.5 kA 50 % conforming to EN 60947-2 – 380…415 V AC 50/60 Hz
5 kA 50 % conforming to EN 60947-2 – 440 V AC 50/60 Hz
15 kA 50 % conforming to IEC 60947-2 – 220…240 V AC 50/60 Hz
7.5 kA 50 % conforming to IEC 60947-2 – 380…415 V AC 50/60 Hz
5 kA 50 % conforming to IEC 60947-2 – 440 V AC 50/60 Hz
7500 A 75 % conforming to EN 60898-1 – 400 V AC 50/60 Hz
7500 A 75 % conforming to IEC 60898-1 – 400 V AC 50/60 Hz
21 kA 50 % conforming to IEC 60947-2 – 12…133 V AC 50/60 Hz
21 kA 50 % conforming to EN 60947-2 – 12…133 V AC 50/60 Hz
15 kA 100 % conforming to IEC 60947-2 – 125…180 V DC
15 kA 100 % conforming to EN 60947-2 – 125…180 V DC
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 6
Height 85 mm
Width 54 mm
Depth 78.5 mm
net weight 0.375 kg
Colour White
Mechanical durability 20000 cycles
Electrical durability 10000 cycles
Connections – terminals Single terminal (top or bottom) 1…35 mm² rigid
Single terminal (top or bottom) 1…25 mm² flexible
Wire stripping length 14 mm for top or bottom connection
Tightening torque 3.5 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 7.5 cm
Package 1 Width 5.4 cm
Package 1 Length 9.4 cm
Package 1 Weight 196.0 g
Unit Type of Package 2 BB1
Number of Units in Package 2 4
Package 2 Height 8.2 cm
Package 2 Width 9.8 cm
Package 2 Length 22.2 cm
Package 2 Weight 1.504 kg
Unit Type of Package 3 S03
Number of Units in Package 3 44
Package 3 Height 30.0 cm
Package 3 Width 30.0 cm
Package 3 Length 40.0 cm
Package 3 Weight 17.031 kg
Contractual warranty
Warranty 18 months

Main Document

Data Sheet : Download

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