What is the mechanical and electrical life?

The mechanical life is 7000 operations, and the electrical life is 1000 operations.

What are the available rated currents?

The rated current (In) ranges from 100A to 250A, including 100A, 125A, 140A, 160A, 180A, 200A, 225A, and 250A.

Is OEM/ODM service available?

Yes, the manufacturer provides both OEM and ODM services.

250A AC Circuit Breaker MCCB with IEC60947-2

Name: 250A AC Circuit Breaker MCCB with IEC60947-2
Brand: Shanghai Huakun Electrical Company Ltd.
SKU: 2047976385

Shanghai, ChinaShanghai Huakun Electrical Company Ltd.

US$13.00-45.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

ARM3-250-14

Speed

Normal Type 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)

Certification

CCC

Usage Category

Category a

Mechanical Life(Time)

7000

Electrical Life(Time)

1000

Rated Current of Frame Size Inm(a)

250A

Arcing Distance (mm)

<50

Rated Impulse Withstand Voltage Uimp (V)

12kv

Rated Insulation Voltage Ui (V)

1000V

Transport Package

Carton

Specification

100A/125A/140A/160A/180A/200A/225A/250A

Trademark

Huakun

Origin

Shanghai, China

HS Code

85362000

Production Capacity

500000

Key features

High Breaking Capacity: Ultimate breaking capacity up to 100kA at 400V for reliable circuit protection.

Multi-Level Protection: Provides overload, short circuit, and undervoltage protection for lines and equipment.

Premium Material Construction: Features high-silver alloy contacts, bimetallic elements, and flame-retardant insulation.

Flexible Installation: Supports both vertical and horizontal mounting with modular accessory installation.

Wide Voltage Compatibility: Rated working voltage of 400V or 690V with insulation voltage up to 1000V.

Long Mechanical Life: Designed for 7000 mechanical operations and 1000 electrical operations.

Standard Compliance: Complies with IEC60947-2 and GB/T14048.2 standards for safety and quality.

Company profile

Shanghai Huakun Electrical Company Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2020-10-08 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤10.33h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanghai Huakun Electrical Company Ltd. is a China-based limited-company factory established in 2003, operating in Shanghai’s electrical and electronics manufacturing sector. The supplier reports 376 employees, an approximately 7,000 m² manufacturing plant, eight production lines, 35 years of combined R&D-engineer experience, and 21–30 quality-control staff. It holds ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications. Its stated products include Static Var Generators, Active Power Filters, Advanced Static Var Generators, and Active Harmonic Filters, with a focus on power electronics, intelligent power systems, and smart-grid applications. Production lead time is stated as within 15 workdays in both off-peak and peak seasons. Evidence is insufficient to assess after-sales service, financial credibility, customization capability, or customer cases.

Supplier typeThe supplier is identified as a limited company and a factory in Shanghai’s manufacturing sector, with electrical and electronics as its stated commercial trade area. Its company descriptions characterize it as a national high-tech and software enterprise focused on power electronics and integrated solutions.

CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates, covering quality, environmental, and occupational-health-and-safety management. These stated certifications provide explicit evidence of formal management-system credentials.

R&D capabilityThe supplier states that it focuses on power electronics and integrated solutions, aims to develop accurate, stable, and environmentally friendly energy-saving devices and intelligent power systems, and reports 35 years of total R&D-engineer experience. Its listed advanced power-quality products further support an innovation-oriented technical focus.

Production capacityThe supplier reports a 7,000 m² manufacturing plant, eight production lines, and 376 employees, with lead times stated as within 15 workdays during both off-peak and peak seasons. It also reports 21–30 quality-control staff, indicating established production and quality resources.

Product Q&A

Q:What are the main protection functions?

The circuit breaker offers overload, short circuit, and undervoltage protection to safeguard lines and power equipment.

Q:What is the maximum breaking capacity?

The rated ultimate short-circuit breaking capacity (Icu) reaches up to 100kA at 400V, depending on the selected level (L, M, or H).

Q:Can the breaker be installed in different orientations?

Yes, it supports both vertical (upright) and horizontal (transverse) installation.

Q:What materials are used for contacts and insulation?

It uses alloy contacts with high silver content, high-quality bimetallic elements, and unique thermosetting insulating material with high strength and flame retardancy.

Q:What standards does the product comply with?

The circuit breaker complies with IEC60947-2 and GB/T14048.2 standards.