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Multi-Size 400A 3+1n Molded Case Circuit Breaker for Circuit Protection

Name: Multi-Size 400A 3+1n Molded Case Circuit Breaker for Circuit Protection
Brand: Shandong Kaichuan Electric Power Equipment Co., LTD
SKU: 1985711511

Shandong, ChinaShandong Kaichuan Electric Power Equipment Co., LTD

US$0.60-1,810.00

1 tower

Product specifications

Size

Sample price:US$21.20/tower.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Energy-storage Type

Model NO.

4P Molded Case Circuit Breaker

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCCB

Poles Number

Type

Circuit Breaker

Function

Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB

Certification

VDE, ISO9001-2000, CE, CB, CCC

Transport Package

Wooden Packaging

Specification

300mm*400mm*200mm

Trademark

SDKC

Origin

China

Key features

Multi-Function Protection: Provides circuit-breaker failure protection, overcurrent protection, overvoltage protection, and RCCB functions.

Comprehensive Certifications: Certified by VDE, ISO9001-2000, CE, CB, and CCC for global compliance and safety standards.

Energy-Storage Operation: Features high-speed operation with energy-storage type mechanism for reliable and rapid circuit breaking.

Customization Services: Offers OEM, ODM, and flexible customization options including samples, designs, and minor adjustments.

100% Quality Inspection: Every finished product undergoes 100% functional inspection with strict instructions and uniform follow-up.

Secure Export Packaging: Packaged in carton, cardboard, or wooden boxes meeting international export standards to prevent damage.

Professional Manufacturer: Established in 2013 with 2 production lines and 1 R&D engineer, located in Zibo, Shandong, China.

Flexible Payment Terms: Accepts LC, T/T, PayPal, and Western Union with negotiable MOQ and standard Incoterms like FOB and CIF.

Company profile

Shandong Kaichuan Electric Power Equipment Co., LTD

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummarySDKC Shandong Kaichuan Electric Equipment Co., Ltd. is described as a high-tech enterprise integrating R&D, manufacturing, trade, and service, with products including electrical control cabinets, motors, frequency converters, electrical components, and high- and low-voltage switchgear. It reports broad customization and ODM capabilities, new products within the past year, and OEM service for well-known brands. Its finished-product inspection instructions are reportedly uniformly followed, while service procedures exist for supplier assessment, corrective actions, and complaints; however, written records are absent for the latter two mechanisms. The supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation, and lists zero overseas service countries. Financial credibility cannot be confirmed because the provided financial fields report zero operating revenue, costs, profits, margins, and ratios for the stated periods, without enough context to validate the...

Supplier typeThe supplier is described as a high-tech enterprise integrating R&D, manufacturing, trade, and service. Its stated business scope centers on producing, processing, and selling electrical control cabinets, motors, frequency converters, switchgear bodies, transformers, and related electrical equipment.

After-Sales capabilityThe supplier has written procedures and records for assessing effective service capability, and reports lead times within 15 workdays in both peak and off-season periods. However, corrective and preventive action and customer-complaint procedures have no written records, while overseas service coverage is limited: zero countries and no overseas warehouse, showroom, agent, or branch.

Financial creditThe supplier reports registered capital and describes itself as a large-scale enterprise, but the financial-capacity slices report zero operating revenue, costs, profits, margins, and current ratios for the stated periods. These figures provide no positive evidence of financial strength and raise a material credibility concern, although the supplied data does not explain whether the zeros reflect actual results or incomplete reporting.

R&D capabilityThe supplier reports R&D capability, at least one new product during the past year, and ODM services. Its company description also identifies R&D as part of its integrated operation, but no usable SDK is available.

Production capacityThe supplier states that it operates manufacturing facilities and equipment including copper-bar processing machinery and an assembly line. Its described production scope covers electrical control cabinets, motors, frequency converters, switchgear, transformers, and related equipment, while finished-product inspection instructions are reportedly available and uniformly followed.

Customization capabilityBoth relevant slices explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, supporting broad product-development and customization coverage.

Product Q&A

Q:What is a 4P Molded Case Circuit Breaker?

4P means that the circuit breaker has four protection poles (3 phases + neutral line), which is used in three - phase four - wire systems (such as 380V / 400V systems). It can disconnect the three - phase power supply and the neutral line at the same time, and is suitable for scenarios with strict requirements for neutral line protection (such as preventing electric leakage and voltage imbalance).

Q:What product tests do you conduct on the molded case circuit breaker before leaving the factory?

Before the products leave the factory, we will conduct comprehensive and strict tests, including electrical performance testing, mechanical performance testing, appearance inspection, temperature rise test, etc., to ensure that the product quality meets the standards.

Q:What are the precautions for the installation method of the 4P Molded Case Circuit Breaker?

Fixed type: Install directly in the power distribution cabinet, and sufficient heat dissipation space should be reserved. Plug - in / drawout type: It is convenient for quick replacement, and it is necessary to ensure that the guide rail or base is compatible. Wiring must comply with specifications (such as matching cross - sectional area of copper bars, tightening torque).

Q:How do you ensure product quality?

We start with raw material inspection to strictly control the quality of raw materials; implement refined quality control in the production process; conduct multiple rounds of quality inspection and testing after the finished products are completed; and provide perfect after - sales service to comprehensively ensure product quality.

Q:How do you package the molded case circuit breaker?

We use carton packaging, cardboard box packaging, and wooden box packaging (all in line with international export standards) to ensure that the products are not damaged during transportation.