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PAQ Energy and Tech. Services We provide expert installation of solar systems, CCTV security, Starlink internet and Electrical Services for Homes, Offices and industries.

From clean Energy to Strong Connectivity and top-notch security -- We protect your World

Happy new month Happy Independence.
01/10/2026

Happy new month

Happy Independence.

01/10/2026

3kw inverter with 2.5kwh battery installed yesterday at our clients shop..

If you need it, slide into our DM..

Payment on installment available.




fans

Shout out to my newest followers! Excited to have you onboard! Eduardo Avalos, Amaechi Beatrice
24/09/2026

Shout out to my newest followers! Excited to have you onboard! Eduardo Avalos, Amaechi Beatrice

The just concluded 8kw inverter with 16kwh lithium and 12pieces of 620w Itel panels installation..Give us a call today.....
16/09/2026

The just concluded 8kw inverter with 16kwh lithium and 12pieces of 620w Itel panels installation..

Give us a call today..

We're just a DM away ..

PAQ Energy and Tech. Services
fans

14/09/2026

3kw inverter with 2.5kwh battery and 5pieces of 620w panels



05/09/2026

All Itel products available.
Just DM we will deliver ASAP.

(all in stock)
1.5kw
3kw
4kw
6kw
6.6kw
8kw
12kw
50kw

(all in stock)
1.28kwh
2.5kwh
5kwh (24v/48v)
10kwh
16kwh
32kwh


620w (bifacial)

Itel power tank
Itel power go and power go pro


HOW TO SIZE A DC BREAKER FOR A SOLAR SYSTEM One common mistake I see in solar installations is choosing a DC breaker bas...
04/09/2026

HOW TO SIZE A DC BREAKER FOR A SOLAR SYSTEM
One common mistake I see in solar installations is choosing a DC breaker based only on the voltage of the system.
Voltage alone is NOT enough. You also need to consider the current and the cable size.
Here’s a simple guide

STEP 1: Find the maximum operating current
For a solar panel/string, check the Imp (operating current) and Isc (short-circuit current) on the panel datasheet.
For example:
If a panel has:
Isc = 17A
Imp = 16A
A common approach is to size the protective device above the expected operating/short-circuit current, while following the applicable electrical code and the equipment manufacturer's requirements.

STEP 2: Consider the number of parallel strings
If you have multiple PV strings connected in parallel, their currents add up.
For example:
2 strings × 17A Isc = 34A
3 strings × 17A Isc = 51A
So the breaker/fuse must be selected based on the resulting array current and the manufacturer's/code requirements.

STEP 3: Check the DC voltage rating
The breaker must have a DC voltage rating higher than the maximum possible PV voltage.
For example, if your PV string can reach 450V under cold conditions, don't use a breaker rated only for 250V DC.

DC is different from AC.
A breaker designed for AC may not safely interrupt a DC arc. Always use a breaker specifically rated for the required DC voltage and application.

STEP 4: Check the cable ampacity
Your breaker should also coordinate properly with the cable.
The goal is:
Load/array current → Cable ampacity → Protective device
You don't want to install a large breaker on a small cable simply because the current calculation allows it.

STEP 5: Consider the equipment manufacturer's specification
Always check the inverter, charge controller, combiner box and panel manufacturer's requirements.
Some equipment specifies a particular maximum fuse/breaker size.

📌 Example:
Suppose a PV string has:
Isc = 17A
Imp = 16A
Maximum PV voltage = 450V
You might select a properly rated DC protective device around 20–25A, depending on the applicable code, module characteristics, conductor ampacity and manufacturer's requirements.

The key point: Don't just say, "It's a 48V system, so I'll use a 63A breaker."
Breaker sizing depends on CURRENT, VOLTAGE, CABLE AMPACITY, EQUIPMENT REQUIREMENTS AND THE TYPE OF CIRCUIT.

Proper sizing = safer installation + better protection + fewer unnecessary trips.
If you're a solar installer, save this post for your next installation.



fans

Shout out to my newest followers! Excited to have you onboard! Shabani Kalota, Boubacar Diarra, Adv Ivan Ahammed, Walla ...
02/09/2026

Shout out to my newest followers! Excited to have you onboard! Shabani Kalota, Boubacar Diarra, Adv Ivan Ahammed, Walla Wally, Kiflom Ghidey, Abbass Adams, Dominic Kaguli, Kenneth Odoh Kenneth Enuwa, Chuck U Farlie, Andrew J K Oroma, James Nganga, JinYuan Solar Gardenlight, Feno ʚɸɞ, Zechariah Moses, Husaini A Danjani, Engr Idrisu Gata, Millennium Abdullah, Fibon Solar Ghana, Victor Addo, Bruno Achi, Alabi Sarafa, Aruna B Sesay, M***a Olabodey, Pelumi Adeniyi, Ayorinde Osaloye, Jobere Charles Tabo, Henry Audu, Adebowale Segun Adesanya, Hassan Mohamet Apdulahi, Manuel Montoya, Oluyemisi Abiodun, Hamisu Abdullahi, Haidar Aliyu, Rohan Sharma

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22 St Michael's Road
Aba
440001

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08130310538

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