Sjkm3l-250 Earth Leakage Circuit Breaker with Residual Current Protection

Name: Sjkm3l-250 Earth Leakage Circuit Breaker with Residual Current Protection
Brand: Mingri Electric Co., Ltd.
SKU: 2288970735

Zhejiang, ChinaMingri Electric Co., Ltd.

US$70.00-870.00

1 Piece

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

SJKM3LE

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCCB

Poles Number

3,4

Type

Circuit Breaker

Function

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

Certification

ISO9001-2000, CE, CCC

Insulation Voltage

AC800V

Rated Voltage

35ka

Rated Current

63A-400A

Rated Frequency

50Hz

Transport Package

Box

Trademark

JCHKO

Origin

Zhejiang, China

HS Code

8536200000

Production Capacity

1000 Pieces/Week

Key features

Adjustable Leakage Current: 3-step adjustable options (30/100/300mA or 100/300/500mA) for diverse applications.

High Breaking Capacity: Ultimate breaking capacity up to 50kA at 415V for reliable fault clearing.

Long Mechanical Life: Endurance up to 40,000 cycles with maintenance and 8,000 electrical cycles.

Flexible Accessories: Supports modular installation with front, rear, or plug-in connection options.

IEC60947-2 Compliance: Compliant with international standards for industrial and commercial distribution.

Wide Voltage Range: Designed for 230V/415V systems with 50/60Hz frequency compatibility.

Customization Options: Offers full customization, minor customization, and customization from designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryIn-stock Capacity

Mingri Electric Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2021-03-01Average Response Time: ≤1.76hTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryMingri Electric is a limited company supplying box-type substations, ring main units, high- and low-voltage switchgear, cable distribution products, and related equipment. It reports ISO9001, ISO14001, ISO45001, CE, and stated IEC and ANSI compliance, supported by documented finished-product inspection procedures. The supplier offers extensive customization and end-to-end technical support, including commissioning, maintenance, and after-sales service. Its innovation profile includes smart monitoring, smart-grid technologies, and SF6-free switchgear, but R&D resources are limited to one engineer, one patent is reported, and R&D audit documentation is unavailable. Export experience is eight years, with 21%–30% of sales from exports and self-operated import/export rights. Inventory capability is available, while no overseas warehouse or showroom is reported. No Fortune 500 collaboration is disclosed, although repeat-buyer preference is reported at 80%–100%.

Supplier typeThe supplier is identified as a limited company whose product scope covers box-type substations, ring main units, high- and low-voltage switchgear, cable distribution, and related box-type switchgear. Its stated business scope also includes electrical installation services and construction-related activities, indicating an electrical equipment supplier with associated project-service capabilities.

CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015, with ISO45001:2018 also stated in its sustainability and management certification records. CE product certification is reported, and the company states that its equipment meets IEC and ANSI standards, providing explicit evidence of quality, environmental, occupational-safety, and product-compliance certifications.

After-Sales capabilityThe supplier states that it provides support from initial consultation through commissioning and beyond, including optimization assistance, after-sales support, and maintenance services. It also reports a global logistics network and an expert technical team, indicating an established service offering, although the slices do not quantify service response times or coverage by region.

Customization capabilityThe supplier explicitly reports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly demonstrates a broad range of customization options for customer requirements.

Product Q&A

Q:What is the packaging method?

Standard export packaging includes foam inner protection and reinforced carton or wooden case. Wooden cases are used for heavy or large-sized units to ensure safe sea or air freight.

Q:What is the delivery time?

For low-voltage products: - Small quantity (stock models): about 3-7 working days - Customized models: about 7-15 working days - Large quantities: delivery time extends accordingly based on order volume For high-voltage products: - Standard models: 7-15 working days after order confirmation - Customized configurations: 20-30 working days - Large quantities: delivery time extends accordingly based on order volume

Q:Do you offer samples or trial orders? How is pricing determined?

Yes, sample orders and small trial orders are welcome. Pricing depends on specifications (power, voltage, current, etc.) and quantity. Please contact us with your requirements for a customized quote. OEM/ODM orders are also supported.

Q:What is the warranty period?

Typically 12 months from the date of shipment.

Q:What is the payment method?

Currently, only T/T payment is accepted.