Schneider Acti9 iC60N MCB Circuit Breaker 40 Amp 1P Curve C 10kA A9F74140 is an option among MCB circuit breakers at Bashiti Stores, designed to protect the circuit against overloads and short circuits. In this option, the rated current is 40 amps and the number of poles is 1P. These specifications distinguish this model from other alternatives within the same series; match them with circuit requirements and do not choose a higher-rated breaker simply to increase the operating margin.
Practical Benefits
- Combines the functions of disconnection during overload and short circuit in a single modular device.
- Distributing protection across independent circuits helps in organizing the panel and identifying the affected circuit in the event of a fault.
- Choosing 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 iC60N |
| Model Reference |
A9F74140 |
| Rated Current |
40 A |
| Number of Poles |
1P |
| Tripping Curve |
C |
| Breaking Capacity per Source Title |
6kA per IEC/EN 60898-1 and 10kA per IEC/EN 60947-2; review 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 home 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 alone.
Installation and Verification Method — For Professional Technicians
The following steps illustrate the general work sequence; the manufacturer's diagram for reference A9F74140 must be used to identify terminals and torque values. Work must not be performed on a circuit connected to power.
- The technician disconnects all power sources and secures them against accidental restart, then verifies the absence of voltage with an appropriate tool.
- Match the device reference, number of poles, current, and voltage with the panel diagram, and review conductor cross-section and protection coordination.
- Mount the unit on the rail or its designated position after ensuring compatibility, and identify the supply and output from the manufacturer's diagram for this reference.
- Perform connections using the tightening torque, stripping length, and wire gauges specified in the model manual; do not transfer these values from a similar device.
- Check the tightness of the mounting and connections, then close the covers and perform the required operational and protection tests before handing over the circuit.
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Frequently Asked Questions Before Buying
Does this breaker protect against earth leakage?
An MCB is designed for overloads and short circuits and does 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. First, identify the cause of the tripping and inspect the load, cable, and connections. Increasing the amperage without study may leave the wires without proper protection.
What is the difference between current and breaking capacity?
Current (amperage) is the rated current of the breaker, while breaking capacity describes the level of short-circuit current it can safely disconnect under specified voltage and standard conditions. One figure should not be replaced by the other.
Schneider at Bashiti Stores — Electrical Department
Choose MCB circuit breakers from the Bashiti electrical department according to the specifications required for your project in Jordan. The series name and reference A9F74140 help you identify the part accurately when inquiring or ordering a replacement. At Bashiti Stores, we provide essential selection data to help you compare similar products and prepare your order for a technician or wiring contractor based on function and compatibility, not just on price or appearance.
