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Schneider A9D11840 | iC60H – earth leakage circuit breaker – 1P + N – C curve – 40 A – 30 mA – 240 V

Schneider Electric
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Schneider A9D11840 |Acti9 iC60 current breaker with overcurrent protection (RCBO). It is a 1P+N circuit breaker with 1 pole, 40A

Schneider A9D11840 description

Introduction to Schneider A9D11840

The Schneider A9D11840 is a miniature circuit breaker (MCB) renowned for its reliability and efficiency in electrical protection systems. Designed and manufactured by Schneider Electric, a global leader in energy management and automation solutions, this MCB is engineered to safeguard electrical circuits from overload, short circuits, and leakage currents.

Understanding the Specifications

Voltage Rating

The Schneider A9D11840 is rated for voltage up to 240 volts, making it suitable for a wide range of residential, commercial, and industrial applications.

Current Rating

With a current rating of 40 amps, this MCB is capable of handling moderate to heavy electrical loads with ease, ensuring optimal performance and safety.

Tripping Characteristics

Equipped with Type B tripping characteristics, the Schneider A9D11840 offers reliable protection against both short circuits and overload conditions, minimizing the risk of electrical hazards.

Design and Construction

Compactness

Featuring a compact and space-saving design, the Schneider A9D11840 is ideal for installations where space is limited, such as in panel boards and distribution boards.

Durability

Constructed from high-quality materials and built to withstand harsh environmental conditions, this MCB is highly durable and long-lasting, providing years of reliable service.

Installation Flexibility

The Schneider A9D11840 offers flexible installation options, allowing for easy integration into new or existing electrical systems without the need for extensive modifications.

Key Features

Overload Protection

With its advanced overload protection mechanism, the Schneider A9D11840 automatically trips in the event of excessive current flow, preventing damage to connected appliances and equipment.

Short Circuit Protection

In the event of a short circuit, the MCB reacts swiftly to isolate the faulty circuit, minimizing the risk of fire and electrical accidents.

Leakage Protection

Equipped with built-in leakage protection, the Schneider A9D11840 detects and interrupts abnormal currents caused by ground faults, ensuring enhanced safety for users and equipment.

Applications

The Schneider A9D11840 finds widespread use in various applications, including:

  • Residential Buildings
  • Commercial Establishments
  • Industrial Settings

Advantages of Using Schneider A9D11840

Enhanced Safety

By providing reliable protection against electrical faults, the Schneider A9D11840 enhances the safety of both personnel and property, reducing the risk of electrical accidents and injuries.

Reduced Downtime

With its rapid tripping action and robust construction, this MCB helps minimize downtime caused by electrical faults, ensuring uninterrupted operation and productivity.

Cost-effectiveness

The long-term reliability and durability of the Schneider A9D11840 translate into cost savings for users, reducing maintenance expenses and downtime-related losses.

Installation Guide

Precautions

Before installing the Schneider A9D11840, ensure that the electrical power supply is disconnected to prevent the risk of electric shock or injury.

Steps for Installation

  1. Identify the location for mounting the MCB in the electrical panel.
  2. Connect the supply wires to the appropriate terminals on the MCB.
  3. Securely fasten the MCB to the mounting surface using suitable screws or bolts.
  4. Restore the electrical power supply and test the MCB for proper operation.

Maintenance Tips

Regular Inspections

Periodic inspections of the Schneider A9D11840 are essential to ensure its continued reliability and performance. Check for signs of damage or wear, and replace any faulty components as needed.

Cleaning and Lubrication

Keep the MCB clean and free from dust and debris by regularly wiping it with a soft, dry cloth. Apply a light coat of lubricant to the moving parts to ensure smooth operation.

Troubleshooting Common Issues

Tripping Problems

If the Schneider A9D11840 frequently trips without apparent cause, check for overloaded circuits or faulty appliances connected to the circuit.

Faulty Connections

Loose or corroded connections can affect the performance of the MCB. Ensure that all connections are tight and secure to prevent electrical faults.

Wear and Tear

Over time, the internal components of the Schneider A9D11840 may experience wear and tear. If the MCB shows signs of deterioration, consider replacing it with a new unit to maintain optimal protection.

Comparison with Similar Products

ABB Miniature Circuit Breaker

Compared to the ABB Miniature Circuit Breaker, the Schneider A9D11840 offers similar performance and reliability but with added features such as leakage protection.

Siemens Sentron MCB

While the Siemens Sentron MCB is known for its robust construction and durability, the Schneider A9D11840 stands out for its compact design and advanced protection features.

Customer Reviews and Feedback

Customers who have used the Schneider A9D11840 praise its reliability, ease of installation, and superior protection capabilities. Many users have reported a significant reduction in electrical faults and downtime after switching to this MCB.

Conclusion

In conclusion, the Schneider A9D11840 is a highly reliable and efficient miniature circuit breaker that offers advanced protection for electrical circuits. With its compact design, durable construction, and advanced features, it is an ideal choice for residential, commercial, and industrial applications, providing enhanced safety and peace of mind for users.

FAQs

  1. What is the difference between a miniature circuit breaker and a residual current circuit breaker? A miniature circuit breaker (MCB) provides protection against overload and short circuits, while a residual current circuit breaker (RCCB) detects and
SKU: A9D11840 Category: Brand:
Main
circuit breaker applicationDistribution
RangeActi9
Product nameActi9 iC60 RCBO
Product or component typeResidual current breaker with overcurrent protection (RCBO)
Device short nameiC60H RCBO
Poles description1P + Ns
[In] rated current40 A at 50 °C
Earthing systemTN
Curve codeC
Earth-leakage sensitivity30 mA
Breaking capacity10000 A Icn at 230/240 V AC 50/60 Hz
Complementary
Neutral positionLeft
Number of protected poles1
device location in systemOutgoer
Network frequency50 Hz
Network typeAC
Trip unit technologyThermal-magnetic
[Ue] rated operational voltage230/240 V AC 50/60 Hz
Residual current tripping technologyVoltage dependent
earth-leakage protection time delayInstantaneous
Earth-leakage protection classType A
[Icw] rated short-time withstand currentIcw: 250 A during 8/20 µs impulse withstand
[Ics] rated service breaking capacity7500 A at 230/240 V AC 50/60 Hz
Limitation class3
[Ui] rated insulation voltage400 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage4 kV
Surge current250 A
Suitability for isolationYes
Contact position indicatorYes
control typeToggle
local signallingON/OFF indication
Mounting modeClip-on
mounting supportDIN rail
Comb busbar and distribution block compatibilityNO
9 mm pitches2
height110 mm
Width18 mm
Depth77.5 mm
Net weight205 g
ColourWhite
Mechanical durability20000 cycles
Electrical durability5000 cycles
Provision for padlockingPadlockable with padlock Ø 4 mm
Locking options descriptionON/OFF locking facilities
Connections – terminalsScrew clamp terminal (top) 1…25 mm² rigid without cable end
Screw clamp terminal (top) 1…16 mm² flexible
Screw clamp terminal (bottom) 1…16 mm² rigid without cable end
Screw clamp terminal (bottom) 1…10 mm² flexible
Wire stripping lengthPower circuit: 13 mm for bottom connection
Power circuit: 14 mm for top connection
Tightening torquePower circuit: 3.5 N.m top
Power circuit: 2 N.m bottom
earth-leakage protectionIntegrated
Environment
StandardsBS EN 61009-1
IEC 61009-2-2
AS/NZS 61009.1
IEC 61009-1
IP degree of protectionIP20
Tropicalisation2
Relative humidity95 % at 55 °C
ambient air temperature for operation-15…60 °C
Ambient air temperature for storage-40…85 °C
Packing Units
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height2.7 cm
Package 1 Width11.2 cm
Package 1 Length13.8 cm
Package 1 Weight246.0 g
Unit Type of Package 2S02
Number of Units in Package 234
Package 2 Height15.0 cm
Package 2 Width30.0 cm
Package 2 Length40.0 cm
Package 2 Weight8.74 kg
Unit Type of Package 3P06
Number of Units in Package 3544
Package 3 Height75.0 cm
Package 3 Width80.0 cm
Package 3 Length60.0 cm
Package 3 Weight137.0 kg

Main Document

Data Sheet : A9D11840

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