Schneider MCB 50A 1P A9F74150 is an option among the automatic MCB circuit breakers at Bashiti Stores, designed to protect the circuit against overloads and short circuits. In this version, the rated current is 50 Amps and the number of poles is 1P. These specifications distinguish this model from other alternatives in the same series; match them with your circuit requirements and do not select a circuit breaker with a higher current rating simply to increase the operating margin.
Practical Benefits
- Combines overload and short-circuit tripping functions in a single modular device.
- Distributing protection across independent circuits helps organize the panel and identify the affected circuit in the event of a fault.
- Choosing the correct current, number of poles, and tripping curve provides the basis for matching the breaker with circuit requirements.
Technical Specifications for this Model
| Brand |
Schneider Electric |
| Series |
Acti9 iC60N |
| Model Reference |
A9F74150 |
| Rated Current |
50 A |
| Number of Poles |
1P |
| Tripping Curve |
C |
| Breaking Capacity per Source |
6kA per IEC/EN 60898-1 and 10kA per IEC/EN 60947-2; refer to voltage conditions in the manual |
| Dimensions: W x H x D |
18 x 85 x 78.5 mm |
| 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, rather than just the device type or the appearance of the breaker.
Installation and Verification Procedure — For Professional Technicians
The following steps outline the general work sequence; refer to the manufacturer's diagram for reference A9F74150 to identify terminals and torque values. Do not perform work on a live circuit.
- 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 conductor cross-sections and protection coordination.
- Installs the component on the rail or its designated position after ensuring compatibility, and identifies supply and load connections from the manufacturer's diagram for this reference.
- Performs connections according to the tightening torque, stripping length, and wire gauges specified in the model manual; do not transfer these values from a similar device.
- Checks for secure mounting and connection, then closes the covers and performs the required functional and protection tests before handing over the circuit.
Frequently Asked Questions Before Buying
Does this breaker protect against earth leakage?
MCBs are designed for overload and short-circuit protection and do not replace earth leakage protection. Review the need for an RCCB or RCBO within the panel design.
Should I replace a breaker that trips constantly with one of a higher amperage?
No. You must first identify the cause of the tripping and check the load, cable, and connections. Increasing the amperage without assessment may leave the wires without proper 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 safely interrupt under specified voltage and standard conditions. One figure does not replace the other.
Order from Bashiti Stores
Learn more in our Electrical Section and Circuit Breakers category. Bashiti Stores — Yousef Bashiti Co., serving individuals, companies, and projects in Jordan. For product inquiries and bulk orders, contact us at 0795756898 or visit our Bayader and Wehdat branches in Amman.
For Comparison within the Category
Also check out the Schneider MCB 63A 1P A9F74163, and compare the specifications to choose what suits your needs.
