Schneider Resi9 40A 3P Curve C 4.5kA MCB R9F32240 is an option among the MCB circuit breakers at Bashiti Stores, designed to protect circuits from overloads and short circuits. In this version, the rated current is 40 amps and the number of poles is 3P. These specifications distinguish this model from other alternatives in the same series; match them with your circuit requirements and do not choose a higher current breaker just to increase the operating margin.
Practical Benefits
- Combines overload and short-circuit protection functions in a single modular 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 a basis for matching the breaker to circuit requirements.
Technical Specifications for this Model
| Brand |
Schneider Electric |
| Series |
Resi9 |
| Model Reference |
R9F32240 |
| Rated Current |
40 A |
| Number of Poles |
3P |
| Tripping Curve |
C |
| Breaking Capacity per Source Title |
4.5kA |
| Stated Operating Voltage |
400VAC |
| Dimensions: W x H x D |
54 x 81 x 72 mm |
| Stated Installation |
DIN Rail |
Who needs this product?
Electricians, electrical contractors, and homeowners or shop owners who are setting up a new panel or replacing a breaker matching an existing circuit. Selection depends on the circuit design, cable cross-section, and installation method, not just the device type or the appearance of the breaker.
Installation and Verification — For Qualified Technicians
The following steps illustrate the general work sequence; refer to the manufacturer's manual for reference R9F32240 to determine terminals and tightening torque values. Do not perform work on a circuit connected to a power supply.
- The technician disconnects all power sources and secures them against accidental restart, then 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 unit on the DIN rail or its designated position after ensuring compatibility, and identifies the supply and output based on the manufacturer's diagram for this reference.
- Executes the connections according to the tightening 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 safety tests before commissioning the circuit.
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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. Check the need for an RCCB or RCBO within the panel design.
Should I replace a breaker that trips constantly with one with a higher amperage?
No. First, identify the cause of the tripping and inspect the load, cable, and connections. Increasing the amperage without analysis may leave 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 interrupt under specified voltage and standard conditions. One should not be substituted for the other.
Schneider at Bashiti Stores — Electrical Department
Choose MCB circuit breakers from Bashiti's electrical department according to the specifications required for your project in Jordan. The series name and reference R9F32240 help you identify the part accurately when inquiring or ordering a replacement. At Bashiti Stores, we provide basic selection data to help you compare similar products and prepare your order for a technician or contractor based on function and compatibility, not just price or appearance.
