Schneider Resi9 MCB 20A 1P C-Curve 4.5kA R9F32120 is an option among MCB circuit breakers at Bashiti Stores, designed to protect the circuit against overloads and short circuits. In this version, the rated current is 20A and the number of poles is 1P. These specifications distinguish this model from other alternatives within the same series; match them with your circuit requirements and do not choose a higher-rated breaker simply to increase the operating margin.
Practical Benefits
- Combines overload and short-circuit tripping functions in a single standard device.
- Distributing protection across independent circuits helps organize the distribution board and identify the affected circuit in the event of a fault.
- Choosing the correct current, number of poles, and tripping curve provides a basis for matching the breaker to the circuit requirements.
Technical Specifications for this Model
| Brand |
Schneider Electric |
| Series |
Resi9 |
| Model Reference |
R9F32120 |
| Rated Current |
20 A |
| Number of Poles |
1P |
| Tripping Curve |
C |
| Breaking Capacity as per source title |
4.5kA |
| Stated Operating Voltage |
230VAC |
| Dimensions: W × H × D |
18 × 81 × 72 mm |
| Stated Mounting |
DIN Rail |
Who Needs This Product?
Electricians, electrical contractors, and homeowners or shop owners who are setting up a new distribution board or replacing a breaker compatible with 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 Professional Technicians
The following steps outline the general workflow; the manufacturer's diagram for reference R9F32120 must be consulted to determine terminals and torque values. Work must not be performed on a live circuit.
- The technician disconnects all power sources, secures them against accidental restart, 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.
- Mounts the unit on the 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 using the torque values, stripping length, and wire gauges specified in the model manual; do not apply these values from a similar device.
- Checks the tightness of the mounting and connections, closes the covers, and performs the required functional and protection tests before commissioning the circuit.
Common Questions Before Purchasing
Does this breaker provide earth leakage protection?
An MCB is intended for overload and short-circuit protection and does not replace the need for earth leakage protection. Check for the necessity of an RCCB or RCBO within the panel design.
Should I replace a breaker that trips frequently with one with a higher amperage?
No. You must first identify the cause of the tripping and inspect the load, cable, and connections. Increasing the amperage without proper assessment may leave the wires without appropriate protection.
What is the difference between current and breaking capacity?
The current (Amps) is the rated operating current of the breaker, while the breaking capacity describes the level of short-circuit current it can safely 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 the Bashiti electrical department according to the specifications required for your project in Jordan. The series name and the R9F32120 reference help you identify the item 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 contractor based on function and compatibility, not just price or appearance.