PMax 16A Circuit Breaker
The PMax MCB 16A functions as a primary safety component in low-voltage electrical distribution networks. It utilizes a thermal-magnetic trip unit to detect overcurrent conditions. This single-pole device interrupts power flow during sustained overloads or sudden short circuits. It protects downstream wiring from thermal damage and potential fire hazards. The unit operates within a standard voltage range of 230V to 400V AC. It maintains system integrity by isolating faulty segments of the grid. This specific model supports a nominal current rating of 16 Amperes.
The internal mechanism features a high-quality bimetallic strip for overload protection. This strip bends when excessive current generates heat over time. This movement triggers the mechanical trip latch. For short-circuit protection, an electromagnetic coil provides instantaneous response. High current surges create a magnetic field that pulls the armature. This action opens the contacts immediately to prevent equipment failure. The device incorporates an arc quenching chamber with de-ion plates. These plates split and cool the electrical arc during contact separation. This process extends the operational life of the internal contacts. It also prevents internal pressure buildup within the thermoplastic housing.
The housing consists of heat-resistant, flame-retardant material for safety. This enclosure withstands high temperatures during fault interruption. The toggle switch provides a clear visual indication of the contact state. Users can manually reset the breaker after resolving the fault condition. This breaker mounts directly onto a standard 35mm DIN rail. This compatibility allows for fast integration into existing modular distribution boards. The terminal design features IP20 finger-safe protection. This reduces the risk of accidental contact with live parts during maintenance. Captive screws ensure secure cable clamping for both solid and stranded conductors. Proper torque at these points minimizes contact resistance and heat generation.
Key Features
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Interrupting Capacity
This unit handles short-circuit currents up to 6,000 Amperes safely. -
C-Curve Tripping Profile
The magnetic trip activates between five and ten times the rated current. -
Mechanical Durability
- Supports up to 20,000 mechanical switching cycles
- Resists vibration in industrial environments
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Terminal Connectivity
The box-type terminals accommodate cables up to 25mm square in cross-section.
Specifications
| Feature | Specification |
|---|---|
| Rated Current | 16A |
| Pole Configuration | 1P (Single Pole) |
| Tripping Curve | C-Curve |
| Breaking Capacity | 6kA |
| Rated Voltage | 230/400V AC |
| Frequency | 50/60Hz |
| Mounting | 35mm DIN Rail |
| Protection Class | IP20 |
What’s in the Box
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1 x PMax 16A Single Pole Miniature Circuit Breaker
Why Choose PMax 16A Breaker
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The thermal-magnetic mechanism provides dual-layer protection against electrical faults.
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Type C characteristics accommodate moderate inrush currents from inductive loads.
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The 6kA rating ensures compliance with standard building safety regulations.
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Silver-alloy contacts maintain low resistance throughout the device lifecycle.

Maina Kamau (verified owner) –
Quality is top notch for the price. Used these PMax breakers for a small office fit-out in Westlands last month. The 6kA breaking capacity gives much better peace of mind compared to the cheap knockoffs you find in downtown. Fits perfectly on the DIN rail without any wobbling and the terminal screws grip the wires tightly.
Sarah Nyambura (verified owner) –
Delivery was very fast to my site. This 16A breaker is exactly what my fundi asked for to finish the bedroom circuits. Installed it and it’s working perfectly with the sockets.
Josphat Omondi (verified owner) –
Good value for money. PMax is becoming a very reliable brand for these local residential projects. No complaints.
Evans Kipkorir (verified owner) –
The C-curve on this unit is great because it doesn’t trip unnecessarily when the fridge compressor kicks in. Solid build quality, terminals feel strong when tightening. It’s a proper 16A single pole for standard home use.
Mercy Achieng (verified owner) –
Decent breaker for the budget. It does the job well, though I found the plastic casing a bit different from the older batch. Still, it passed the testing and is holding up fine in the DB.