Schneider MCB 40A 2P R9F32240 circuit breaker is an option within the MCB automatic circuit breakers at Bashiti Stores, designed to protect the circuit against overload and short circuits. In this version, the rated current is 40 Amperes and the number of poles is 2P. 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 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 in case of a fault.
- Selecting the correct current, number of poles, and tripping curve provides a foundation 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 |
2P |
| Tripping Curve |
C |
| Breaking Capacity per Source Title |
4.5kA |
| Rated Operating Voltage |
400VAC |
| Dimensions: W × H × D |
36 × 81 × 72 mm |
| Mounting Type |
DIN Rail |
Who Needs This Product?
Electricians, installation contractors, and homeowners or shop owners who are setting up a new panel or replacing a breaker that matches an existing circuit. The choice depends on the circuit design, cable cross-section, and installation method, not just on the device type or the appearance of the breaker.
Installation and Verification Method — For Qualified Technicians
The following steps outline the general workflow. The manufacturer's diagram for reference R9F32240 must be used to identify terminals and torque values. Work must not be performed on a live circuit.
- The technician disconnects all power sources and secures them against accidental reconnection, 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.
- Mounts the unit on the rail or its designated position after ensuring compatibility, and identifies the supply and load sides from the manufacturer's diagram for this reference.
- Executes the connections using the torque, stripping length, and wire gauges specified in the model manual; do not transpose these values from a similar device.
- Checks for secure mounting and connections, then closes the covers and performs required operational and protection tests before handing over the circuit.
Common Questions Before Buying
Does this breaker provide earth leakage protection?
An MCB is intended for overload and short-circuit protection and does not replace earth leakage protection. The need for an RCCB or RCBO should be reviewed 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 inspect the load, cable, and connections. Increasing the amperage without assessment may leave wires without appropriate protection.
What is the difference between current (amps) and breaking capacity?
The current (amps) is the rated current of the breaker, whereas the breaking capacity describes the level of short-circuit current it can safely interrupt under specified voltage and standard conditions. Do not substitute one for the other.
Order from Bashiti Stores
Learn more in the Electrical Section and Circuit Breakers Section. Bashiti Stores — Yousef Bashiti Company, serving individuals, companies, and projects in Jordan. For product and quantity inquiries, contact us at 0795756898 or visit our Bayader and Wahdat branches in Amman.
Compare Within the Category
Also check out the Schneider MCB 63A 2P R9F32263 circuit breaker, and compare specifications to choose what suits your needs.