DC Circuit Breakers

A DC circuit breaker is not an optional upgrade — it is an absolute safety necessity for every solar panel system, battery bank, inverter setup, and DC-powered installation in Pakistan. As solar energy adoption accelerates across homes, offices, and factories nationwide, the demand for a reliable DC breaker for solar has never been higher. Clopal brings you a complete, 500V-rated range of DC breakers in double pole and four pole configurations, covering current ratings from 16A all the way to 125A — purpose-built for direct current applications where a standard AC breaker simply cannot do the job.

Why You Cannot Use an AC Breaker in a DC Circuit

This is the single most important thing to understand before buying any breaker for a solar or battery system: a standard AC miniature circuit breaker must never be used to protect a DC circuit. The reason lies in how AC and DC fault currents behave differently.

In an AC circuit, the current naturally passes through zero 100 times per second (at 50Hz), giving the breaker a natural window to extinguish the arc when it trips. In a DC circuit, the current never passes through zero — it is constant and unidirectional. This means a DC fault arc is far more sustained, more intense, and far harder to extinguish than an AC arc. An AC breaker used in a DC circuit will fail to interrupt the arc safely, leading to breaker damage, overheating, fire hazard, or a catastrophic electrical failure.

A true DC circuit breaker is specifically engineered with arc-quenching chambers, extended contact gaps, and magnetic arc-blowout mechanisms that are designed to safely interrupt DC fault currents at the rated voltage — making it the only safe choice for any DC application.

What is a Solar DC Breaker Used For?

A solar DC breaker — also called a DC breaker for solar — serves three critical functions in a photovoltaic (PV) system:

• String protection — Placed between the solar panel string output and the inverter, the DC breaker for solar protects against reverse current faults, panel short circuits, and overloads that can damage both panels and inverters.

• Inverter isolation — Allows the inverter to be safely isolated from the PV array for maintenance, inspection, or fault investigation — without the risk of hot-plugging live DC cables.

• Battery bank protection — Installed between a battery bank and an inverter or charge controller, the solar DC breaker protects against short-circuit fault currents from the battery — which can be extremely high and instantaneous.

Whether you are installing a rooftop solar system, an off-grid energy setup, a hybrid inverter panel, or a DC distribution board, Clopal's DC breakers are rated at 500V DC and certified for these exact applications.

Complete Range of DC Circuit Breakers

Clopal's DC circuit breaker collection covers every current rating and pole configuration needed for residential solar, commercial PV installations, and industrial DC systems:

Double Pole DC Breaker — 500V DC Rated

The Clopal double pole DC breaker simultaneously disconnects both DC conductors, providing complete circuit isolation for safe maintenance and reliable fault interruption. Available across a full range of current ratings:

• 16A DC Breaker — For small solar panel strings and low-power DC control circuits — Rs. 2,390

• 20A DC Breaker — For medium residential solar strings and small battery bank protection — Rs. 2,390

• 25A DC Breaker — For larger residential PV strings and 5kW inverter input protection — Rs. 2,390

• 32A DC Breaker — For high-output solar strings and medium battery bank circuits — Rs. 2,390. The best DC breaker 32 amp price in Pakistan for a 500V-rated, double pole certified breaker.

• 40A DC Breaker — For larger commercial solar PV arrays and high-capacity battery systems — Rs. 2,390

• 63A DC Breaker — For heavy commercial solar installations and large-scale battery bank protection — Rs. 2,390. The most competitive 63 amp DC breaker price in Pakistan for a 500V-rated double pole DC breaker.

• 125A DC Breaker — For high-capacity industrial DC distribution, large commercial solar farms, and high-current battery bank main protection — Rs. 3,315. The best DC breaker 125 amp price in Pakistan for a certified, high-current double pole DC breaker.

Four Pole DC Breaker — 500V DC Rated

For applications requiring simultaneous disconnection of four DC conductors — such as large parallel battery bank systems or multi-string solar arrays with both positive and negative pole switching on dual circuits — Clopal's four pole DC circuit breaker provides complete four-conductor isolation at 500V DC:

• 20A Four Pole DC Breaker — Rs. 3,605

• 63A Four Pole DC Breaker — Rs. 3,605

All Clopal DC breakers feature DIN Rail mounting (EN60715, 35mm) with a fast-clip device for quick, secure installation in any solar combiner box, inverter panel, or DC distribution board.

DC Breaker for Solar — Ideal Applications in Pakistan

With Pakistan's solar energy market growing rapidly — from small rooftop net metering installations to large commercial solar farms — the DC breaker for solar has become one of the most in-demand electrical safety components in the country. Clopal's solar DC breaker range covers:

• Residential rooftop solar systems — Net metering installations from 3kW to 20kW requiring string protection between panels and hybrid inverters

• Off-grid solar setups — Battery bank main isolation and charge controller input protection for rural and off-grid installations

• Commercial solar PV installations — Large rooftop and ground-mount arrays requiring high-current string protection at the DC combiner box level

• Industrial DC panels — Main incomer and sub-circuit protection for industrial DC distribution boards operating at up to 500V DC

• Telecom & data center backup — DC breaker protection for 48V and high-voltage DC battery backup systems in telecom towers and data centres

Best DC Breaker Price in Pakistan

Looking for the best DC breaker price in Pakistan without compromising on quality or safety? Clopal offers fully transparent, competitive pricing on every DC circuit breaker in our range — no hidden markups, no uncertified substitutes.

• DC Breaker 16A to 63A (Double Pole) — Rs. 2,390 each — the best DC breaker for solar price in Pakistan for standard residential and commercial ratings

• DC Breaker 125 Amp (Double Pole) — Rs. 3,315 — the most competitive DC breaker 125 amp price in Pakistan for high-current applications

• Four Pole DC Breakers (20A & 63A) — Rs. 3,605 each

Every Clopal DC breaker is quality-verified before dispatch. We deliver across Pakistan — Karachi, Lahore, Islamabad, Peshawar, Quetta, Faisalabad, and beyond — with a 2–4 day estimated delivery time and a 3-day hassle-free return policy on all orders.

Shop Clopal's complete range of DC circuit breakers today — compare current ratings, pole configurations, and prices all in one place, and get the best DC breaker price in Pakistan for your solar, battery, or industrial DC system delivered straight to your door.