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The CNC 1P MCB AC Circuit Breaker YCB7H‑63A is a compact, single-pole miniature circuit breaker designed for reliable protection against overloads and short circuits. Offered in a range of variants from 2 A to 63 A, this breaker is optimized for domestic, commercial, and industrial electrical panels in Pakistan.
Why Choose YCB7H‑63A?
This 1P MCB AC Circuit Breaker is optimized for space-saving installations, ensuring a neat and organized electrical panel setup.
Specification |
Value |
Type |
Standard IEC/EN 60898-1 |
Rated Current (In) |
2, 4, 6, 10, 16, 20, 32, 40, 50, 63 |
Poles |
1 Pole |
Rated Voltage (Ue) |
230/400 V |
Insulation Voltage (Ui) |
500 V |
Rated Frequency |
50/60 Hz |
Rated Breaking Capacity |
6000 A |
Rated Impulse Withstand Voltage (Uimp) |
4000 V |
Dielectric Test Voltage at Industrial Frequency (1 min) |
2 kV |
Pollution Degree |
2 |
Thermo-Magnetic Release Characteristic |
B, C, D |
Electrical Life |
6000 cycles |
Mechanical Life |
20000 cycles |
Protection Degree |
IP20 |
Ambient Temperature (Daily Average ≤35°C) |
-25~+70°C |
Storage Temperature |
-25~+70°C |
Terminal Connection Type |
Cable/Pin-type busbar |
Terminal Size Top/Bottom for Cable |
25 mm² / AWG 18-3 |
Terminal Size Top/Bottom for Busbar |
25 mm² / AWG 18-3 |
Tightening Torque |
2 N·m / 18 In-lbs |
Mounting |
On DIN rail EN 60715 (35 mm) by means of a fast clip |
Connection |
From top and bottom |
Reference Temperature for Setting of Thermal Element |
30°C |
Applications in Pakistan
Perfect for household boards, offices, shops, and light industry setups in Karachi, Lahore, Islamabad, and beyond. Ideal for load circuits, motor control protection, and backup safety applications.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.