What standards does the product comply with?

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

What is the maximum rated current?

The rated working current can go up to 630A, with frame sizes available up to 125A.

40A 3ka Molded Case Circuit Breaker MCCB

Name: 40A 3ka Molded Case Circuit Breaker MCCB
Brand: Shanghai Huakun Electrical Company Ltd.
SKU: 2043937075

Shanghai, ChinaShanghai Huakun Electrical Company Ltd.

US$16.00-25.00

1 Piece

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

ARXM3-125-17

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)

8500

Electrical Life(Time)

1500

Arcing Distance

<50

Rated Insulation Voltage Ui (V)

1000V

Rated Impulse Withstandvoltage Uimp (V)

8kv

Rated Working Voltage Ue (V)

400V 690V

Transport Package

Carton

Specification

16A/20A/25A/32A/40A/50A/63A/80A/100A/125A

Trademark

Huakun

Origin

Shanghai, China

HS Code

85362000

Production Capacity

500000

Key features

High Breaking Capacity: Available in C, L, M, and H levels with Icu up to 100kA for superior short-circuit protection.

Versatile Installation: Can be installed vertically or horizontally with modular accessory options for flexible use.

Robust Material Quality: Features heat shrinkable insulation, high silver alloy contacts, and high carbon steel mechanisms.

Wide Voltage Range: Rated working voltage supports 400V and 690V with insulation voltage up to 1000V.

Comprehensive Protection: Provides overload, short circuit, and undervoltage protection to safeguard lines and equipment.

Extended Mechanical Life: Designed for 8500 mechanical operations and 1500 electrical operations for long-term reliability.

Standard Compliance: Fully compliant with IEC60947-2 and GB/T14048.2 international and national safety standards.

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: ≤8.35h 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.