Schneider MCB 20A 3P A9K24320 is an option among the automatic MCB circuit breakers at Bashiti Stores, designed to protect circuits from overloads and short circuits. In this version, the rated current is 20 Amps and the number of poles is 3P. These specifications distinguish the model from other alternatives in the same series; match them with your circuit requirements and do not select a breaker with a higher current rating simply to increase the operating margin.
Practical Benefits
- Combines both overload and short-circuit protection functions in a single standardized device.
- Distributing protection across independent circuits helps organize the panel and identify the affected circuit when a fault occurs.
- Selecting the correct current, number of poles, and tripping curve provides the basis for aligning the breaker with circuit requirements.
Technical Specifications for This Model
| Brand |
Schneider Electric |
| Series |
Acti9 iK60N |
| Model Reference |
A9K24320 |
| Rated Current |
20 A |
| Number of Poles |
3P |
| Tripping Curve |
C |
| Breaking Capacity as per source title |
6kA |
| Stated Operating Voltage |
400VAC |
| Dimensions: W x H x D |
54 x 85 x 78.5 mm |
| Stated Mounting |
DIN Rail |
Who Needs This Product?
Electricians, wiring contractors, and homeowners or shop owners who are setting up a new panel or replacing a breaker that matches an existing circuit. The selection depends on the circuit design, cable cross-section, and installation method, not just on the device type or the shape of the breaker.
Installation and Verification Procedure — For Professional Technicians
The following steps outline the general workflow. Refer to the manufacturer's diagram for reference A9K24320 to identify terminals and torque values. Do not perform work on a circuit connected to a power supply.
- The technician disconnects all power sources, secures them against reactivation, and verifies the absence of voltage with an appropriate tool.
- Matches the device reference, number of poles, current, and voltage with the panel diagram, and reviews the conductor cross-section and protection coordination.
- Installs the unit on the rail or its designated location after ensuring compatibility, and identifies the supply and output based on the manufacturer's diagram for this reference.
- Performs connections using the torque, stripping length, and wire gauges specified in the model manual; do not transpose these values from a similar device.
- Checks the tightness of the installation and connections, then closes the covers and conducts the required operational and protection tests before handing over the circuit.
Frequently Asked Questions Before Buying
Does this breaker protect against earth leakage?
An MCB is designed for overload and short circuits and does not replace earth leakage protection. The need for an RCCB or RCBO should be checked within the panel design.
Should I replace a breaker that trips frequently with one that has a higher amperage?
No. You must first identify the cause of the tripping and inspect the load, cables, and connections. Increasing the amperage without study may leave the wires without appropriate protection.
What is the difference between Amperage and Breaking Capacity?
Amperage is the rated current of the breaker, while breaking capacity describes the level of short-circuit current it can clear within specified voltage and standard conditions. Neither of these figures should be substituted for the other.
Order from Bashiti Stores
Learn more in the Electrical Section and Circuit Breakers category. Bashiti Stores — Yousef Bashiti Company, serving individuals, companies, and projects in Jordan. For inquiries about the product and quantities, contact 0795756898 or visit our Bayader and Wahdat branches in Amman.
For Comparison Within the Category
Also check out the Schneider MCB 25A 3P A9K24325, and compare the specifications to choose what suits your needs.