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18639 - NG125 - circuit breaker - NG125N - 3P - 63A - C curve - Schneider Electric

Cat No.	18639
Category	MCB
Stock	Back Ordered
Condition	Brand New, Sealed Packaging
Product Type	MCB

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Back Ordered

$299.17

Lead Time: 25 Working Days.

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Technical Specification

Schneider 18639 MCB Technical Specification

MCB
Breaking Cap	25kA
Curve	C
Model	NG125
No of pole	3P
Range of Product	—
Rating	63A

Product Details

Schneider Electric 18639 - This Acti9 NG125N is a low voltage circuit breaker. It is a 3P circuit breaker with 3 protected poles, 63A rated current and C tripping curve. The rated short circuit breaking capacity goes up to 25kA at 380VAC to 415VAC conforming to EN/IEC 60947-2 standard and 25kA at 380VAC to 415VAC conforming to EN/IEC 60947-2 standard. It complies with both industrial standard EN/IEC 60898-1 and residential standard EN/IEC 60947-2. This miniature circuit breaker protects circuits against short circuit and overload current. It is suitable for isolation in the industrial sector according to IEC/EN 60947-2 standard. The fault tripping is indicated by a red mechanical state indicator light on the front face of the circuit breaker. It has an electrical endurance going up to 10000 cycles and a mechanical endurance going up to 20000 cycles. The Ue operational voltage is equal or below 375VDC, 220VAC to 240VAC, 380VAC to 415VAC, 440VAC or 500VAC. The Ui rated insulation voltage is 690VAC. The Uimp rated impulse withstand voltage is 8kV. The operating frequency is 50Hz or 60Hz. It is DIN rail mountable. Its width is 9 pitches of 9mm. Pollution degree is 3. Overvoltage category is IV. The dimensions are (W) 81mm x (H) 103mm x (D) 81mm. The weight is 0.72kg. It has an IP20 degree of protection (as per IEC/EN 60529) on its terminals in enclosure. The operating temperature is -30°C to 70°C. The storage temperature is -40°C to 70°C. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

Schneider 18639 dimensions and weight

Dimensions (L × W × H)

Length 12.9 cm

Width 12.1 cm

Height 8.6 cm

Weight

Net Weight 0.758 kg

Dimensions are approximate. For precise dimensional drawings, contact us.

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Frequently Asked Questions for 18639

Schneider MCB 18639 offers high breaking capacity depending on its pole and rating. You can check exact kA rating using ElectriHub MCB filters such as poles, current rating, and curve type.

Yes, Schneider MCB 18639 is designed for home distribution systems and ensures protection against overload and short circuits. Select your pole and ampere rating from the ElectriHub MCB filter.

Schneider MCB 18639 is available in B, C, and D curve options depending on the application. Use the curve filter on ElectriHub to verify available options.

To select the right ampere rating for Schneider MCB 18639, check your load requirement and matching poles. ElectriHub rating filter helps you choose from 1A to 63A.

Yes, Schneider MCB 18639 supports standard DIN rail mounting for easy installation in all household and industrial panels.

Every Schneider 18639 MCB purchased from Electrihub is 100% genuine, brand new, and supplied in original sealed packaging ‚Äî ensuring top performance and reliability. We source all products from trusted Schneider supply channels, so you can buy with complete confidence.
Electrihub offers competitive pricing, fast delivery, and expert support to help you select the right MCB for your application. Whether for industrial automation, electrical panels, or control systems, you can rely on Electrihub for authentic Schneider products that deliver consistent quality and safety.

Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.

Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.

Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.

Reviews & Ratings

4.3

8 reviews

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Noah Williams Apr 11, 2026

Perfect component for modular panel assembly. Installation was straightforward, and the switching mechanism is very crisp. Electrihub is now our go-to for bulk electrical components.

Aria Moretti Apr 11, 2026

As a professional panel builder, I find this Schneider MCB highly reliable. Verified the authenticity of this Schneider part; Electrihub is a trusted supplier. Great value considering the industrial durability.

Oliver Quinn Apr 11, 2026

Perfect component for modular panel assembly. Installation was straightforward, and the switching mechanism is very crisp. A reliable choice for any industrial panel application.

Vikram Trivedi Apr 7, 2026

I've been looking for Schneider 18639 for a while. Finally found it on Electrihub. Service is quick and the item works perfectly.

Pranav Trivedi Apr 7, 2026

Buying from Electrihub was a breeze. This Schneider 18639 is perfect for our commercial project. Prompt delivery.

Advik Patel Apr 7, 2026

Exactly what I needed. Schneider products are always reliable and Electrihub made the buying process very easy.

Advik Mehra Apr 7, 2026

Quick shipping and genuine product. Electrihub's service is quite efficient. The 18639 is working well.

Arjun Kapoor Apr 7, 2026

Competitive pricing for Schneider 18639. Happy with the genuine product and the overall experience on Electrihub.

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18639 - NG125 - circuit breaker - NG125N - 3P - 63A - C curve - Schneider Electric

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