Schneider MCB 20A 3P R9F32320 Circuit Breaker is an option among MCB automatic breakers at Bashiti Stores, designed to protect circuits from overloads and short circuits. In this version, the rated current is 20 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-rated breaker just to increase your operating margin.
Practical Benefits
- Combines overload and short-circuit tripping functions in a single modular device.
- Distributing protection across independent circuits helps organize the distribution board and identify the affected circuit in case of a fault.
- Selecting 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 |
Resi9 |
| Model Reference |
R9F32320 |
| Rated Current |
20 A |
| Number of Poles |
3P |
| Tripping Curve |
C |
| Breaking Capacity (as per source label) |
4.5kA |
| Stated Operating Voltage |
400VAC |
| Dimensions: W x H x D |
54 x 81 x 72 mm |
| Stated Mounting |
DIN Rail |
Who Needs This Product?
Electricians, wiring contractors, and home or shop owners setting up a new distribution board or replacing a breaker that matches an existing circuit. The selection depends on the circuit design, cable cross-section, and installation method, not just the device type or the breaker's appearance alone.
Installation and Verification Method — For Professional Technicians
The following steps outline the general workflow. Always rely on the manufacturer's diagram for the R9F32320 reference to determine 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 board 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.
- Performs connections using the torque, stripping length, and wire gauges specified in the model manual; do not carry over these values from a similar device.
- Checks the tightness of the mounting and connections, then closes the covers and performs the required functional and protection tests before handing over 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 the need for earth leakage protection. Review the necessity of an RCCB or RCBO within your board design.
Should I replace a breaker that trips constantly with one with higher amperage?
No. You must first identify the cause of the tripping and inspect the load, cable, and connections. Increasing the amperage without proper study may leave the wires without adequate protection.
What is the difference between current (Amps) and breaking capacity?
The Ampere rating is the rated 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. Do not substitute one for the other.
Order from Bashiti Stores
Learn more in the Electrical Section and Electrical 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 Wahdat branches in Amman.
For Comparison Within the Category
Also check out the Schneider MCB 25A 3P R9F32325 Circuit Breaker and compare the specifications to choose what suits your needs.
