What are the available frame currents?

Available frame currents include 100A, 160A, 250A, 400A, and 630A.

What type of arc-extinguishing medium is used?

The circuit breaker uses air as the arc-extinguishing medium.

Sontuoec Nsxs Series MCCB 3p 4p Moulded Case Circuit Breaker

Name: Sontuoec Nsxs Series MCCB 3p 4p Moulded Case Circuit Breaker
Brand: Wenzhou Santuo Electrical Co., Ltd.
SKU: 813901095

Zhejiang, ChinaWenzhou Santuo Electrical Co., Ltd.

US$13.12

100-499 Pieces

US$12.85

500+ Pieces

Sample price:US$100.00/bag.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

STN3

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCCB

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection

Certification

Price

Factory Price

Approvals

CE, ISO9001

Warranty Time

12months

Delivery Time

Within 20days

Transport Package

Inner Box/Carton

Specification

63A-630A

Trademark

SONTUOEC, WZSTEC, SONTUNE, IMDEC

Origin

Wenzhou Zhejiang

HS Code

8536200000

Production Capacity

2000pieces/Week

Key features

High Breaking Capacity: Up to 100kA at AC220/240V and 70kA at AC380/415V for reliable protection.

Compact Modular Design: Features compact structures and full modularization for easy installation.

Zero Flashover: Advanced arc-extinguishing technology ensures zero flashover during operation.

Comprehensive Protection: Equipped with overload, short-circuit, and undervoltage protection devices.

CE and ISO9001 Certified: Meets international safety and quality standards with CE and ISO9001 approvals.

Long Mechanical Life: Mechanical life up to 50,000 operations for durability.

Wide Current Range: Available in 100A, 160A, 250A, 400A, and 630A frame currents.

Fast Delivery: Delivery within 20 days for off-peak seasons.

Company profile

Wenzhou Santuo Electrical Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2016-01-08Nearest Port: NINGBOAverage Response Time: ≤1.65hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, OEM/ODM service capability, in-stock capacity, and substantial stated production volumes for contactors and circuit breakers. It exports 90% of total sales, has self-operated import/export rights, serves multiple global regions, and has attended the Canton Fair. ISO9001:2015 and CE certification are reported. However, innovation evidence is limited because no new products were reported in the past year and no SDK is available. Quality and service procedures exist but lack written records, while overseas agents, branches, warehouses, and showrooms are absent. Peak-season fulfillment information is inconsistent: one slice states 2–3 months, while others state within 15 workdays or one month. Financial data is represented only by years, so credibility cannot be determined.

Supplier typeThe supplier is an export-oriented manufacturer with self-operated import/export rights, OEM and ODM capabilities, in-stock capacity, and stated production of 500,000 contactors and 1,500,000 circuit breakers. It serves multiple overseas regions but has no overseas agents, branches, warehouse, or showroom.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certification holdings, although no additional certification details or validity documentation are provided.

R&D capabilityThe supplier offers ODM services and multiple design customization modes, but reports no new products during the past year and no available SDK. This indicates design-service capability without sufficient evidence of recent product innovation.

Production capacityThe supplier reports annual output of 500,000 contactors and 1,500,000 circuit breakers, maintains inventory capability, and states off-peak lead times within 15 workdays in some records. However, peak-season timing is inconsistent, with records ranging from within 15 workdays or one month to 2–3 months.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM and ODM services, including OEM for well-known brands. This is strong direct evidence of broad customization capability.