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Home > Electrical & Electronics > Power Supply & Distribution > Switchgear > 40A 4P MCCB With 35kA Breaking Capacity and DIN Rail Mount

40A 4P MCCB With 35kA Breaking Capacity and DIN Rail Mount

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Product Spotlights

This 40A 4P Molded Case Circuit Breaker offers robust 35kA short-circuit protection in a DIN-rail mount design. It ensures reliable safety for three-phase systems, features easy installation, and complies with international standards. Ideal for industrial and commercial power distribution, it provides durable performance and operational peace of mind.

US$ 13 ≥1 Unit

Key Specifications

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Rated Current:

40A

Number of Poles:

Breaking Capacity:

35kA

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Rated Current 40A

Number of Poles 4P

Breaking Capacity 35kA

Mounting Type DIN Rail Mount

Product Type Molded Case Circuit Breaker (MCCB)

Standards Compliance IEC/EN 60947-2

Application Industrial, Commercial Power Distribution

Electrical Life Up to 10,000 operations

Operating Temperature -25°C to +70°C

As a professional manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our high-performance 40A 4P MCCB with 35kA Breaking Capacity, engineered for reliable and safe power distribution. Designed for DIN rail mounting, this circuit breaker combines robust protection with installation flexibility, making it an ideal choice for demanding industrial and commercial applications. Our commitment to quality, backed by comprehensive certifications including ISO9001 and ISO14000, ensures that every component meets stringent international standards for performance and safety.

Core Features & Technical Advantages:

High Breaking Capacity: A 35kA breaking capacity provides superior protection against high fault currents, safeguarding downstream equipment and minimizing downtime.
Precise Protection: The 40A rated current with 4-pole configuration offers comprehensive phase and neutral protection for three-phase systems, enhancing system safety.
Effortless Installation: The DIN rail mount design allows for quick, tool-free installation and easy integration into standard electrical enclosures and panels.
Durable Construction: Built with high-quality materials and advanced arc quenching technology for long electrical and mechanical life.
Wide Compatibility: Suitable for a variety of applications, from machine control panels and distribution boards to HVAC systems and renewable energy installations.

Detailed Technical Specifications:

Parameter	Specification
Rated Current (In)	40 Amperes
Number of Poles	4 Poles (4P)
Rated Operational Voltage (Ue)	AC 400V / 690V
Rated Insulation Voltage (Ui)	AC 800V
Rated Ultimate Short-Circuit Breaking Capacity (Icu)	35 kA at 400V AC
Mounting	Standard DIN Rail (35mm)
Trip Characteristic	Thermal-Magnetic (C Curve or D Curve options available)
Electrical Life	Up to 10,000 operations at rated current
Mechanical Life	Up to 20,000 operations
Operating Temperature Range	-25°C to +70°C
Standards	IEC/EN 60947-2

Benefits for Your Project:

Enhanced System Safety: Reliable overload and short-circuit protection reduces fire risk and equipment damage.
Operational Reliability: Consistent performance under varying load conditions ensures uninterrupted power supply.
Simplified Maintenance: Clear status indication and easy reset functionality facilitate troubleshooting and maintenance.
Space-Efficient Design: Compact form factor optimizes panel space utilization.
Global Compliance: Manufactured in accordance with international electrical standards, facilitating use in diverse markets.

Trust in a supplier with a proven track record. Jinhua Dika Electrical Equipment Co., Ltd. serves a global clientele across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value of US$1 Million - US$1.5 Million. Our products are shipped from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics. This MCCB is a product of our dedicated R&D and manufacturing processes, supported by a robust quality management system. It represents a reliable, high-value component for your electrical infrastructure. Contact us today to discuss your requirements, request samples, or place an order for this dependable circuit protection solution.

Frequently Asked Questions (FAQ):

What is the main application for this 40A 4P MCCB?
This MCCB is primarily designed for protecting three-phase electrical circuits in industrial plants, commercial buildings, data centers, and other installations where a 40A load with a neutral conductor requires reliable overcurrent and short-circuit protection.
Can this breaker be used as a main switch or an isolator?
While it provides switching functionality, it is primarily a protective device. For isolation purposes, it's recommended to verify its suitability against specific isolation standards for your application, as it may not meet all requirements for a dedicated isolator.
Is the 35kA breaking capacity sufficient for my installation?
A 35kA breaking capacity is suitable for many commercial and industrial applications. The required breaking capacity depends on the prospective short-circuit current at the installation point, which should be calculated by a qualified engineer.
What DIN rail standard does it comply with?
It is designed for mounting on a standard 35mm top-hat DIN rail (EN 60715).
Are different trip curves available?
Yes, thermal-magnetic trip units with different characteristic curves (commonly C or D curve) are typically available to match the specific inrush currents of your connected loads (e.g., motors, transformers). Please inquire for specific options.
What are the connection terminal types and sizes?
The MCCB features screw-type terminals suitable for copper conductors. The specific wire size range will be detailed in the product datasheet, which is available upon request.
Does it come with any auxiliary contacts or shunt trips?
Auxiliary contacts, alarm contacts, and shunt trip modules are often available as optional accessories for remote signaling and control. Their availability should be confirmed with our sales team.
What is the lead time for orders?
Lead times vary based on order quantity and customization. Standard configurations typically have shorter lead times. We provide reliable supply chain management to meet project schedules.