What is the rated insulation voltage?

The rated insulation voltage is 660 V for the STH-22 series thermal overload relay.

What standards do the products comply with?

The products comply with IEC 60947-4 standard.

Sth-22 Contactor for Thermal Relay

Name: Sth-22 Contactor for Thermal Relay
Brand: Wenzhou Santuo Electrical Co., Ltd.
SKU: 2153823495

Zhejiang, ChinaWenzhou Santuo Electrical Co., Ltd.

US$2.75

1,000-4,999 Pieces

US$2.65

5,000+ Pieces

Sample price:US$100.00/bag.Request sample

Product profile

Customization

Available

Theory

Thermal Relay

Usage

Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay

Model NO.

STH-22

Phase

Electricity Type

Number of Pole

Load

Weak Power Relay

Protective Characteristics

Open Relay

Action Principle

Electromagnetic Type

Size

Miniature

Type

Electric Parameter Relay

Standard

IEC 60947-1

Coil Voltage

24, 220, 240, 380, 415V

Rated Current

0.63-500A

Frequency

50Hz/60Hz

Pole

1p2p3p

Transport Package

Carton

Specification

100pcs/ctns

Trademark

SONTUOEC, WZSTEC, SONTUNE, IMDEC

Origin

Wenzhou Zhejiang

HS Code

85364900

Production Capacity

3000pieces/Week

Key features

IEC 60947-4 Compliance: Products comply with IEC 60947-4 standard for thermal overload relays.

Wide Current Range: Rated working current ranges from 0.1A to 93A for various motor protections.

Temperature Compensation: Features temperature compensation mechanism for accurate overload protection.

OEM Service Available: We accept OEM service and allow customers to use their own logo on products.

20+ Years Experience: Professional manufacturer with over 20 years of experience in Wenzhou, China.

Fast Quotation: Usually quote within 12 hours after receiving inquiry for urgent needs.

Free Sample Offer: Free samples available; customer only needs to pay the freight charge.

Long Product Life: Ensures quality reliability and long product life with good after-sales service.

Company profile

Wenzhou Santuo Electrical Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2016-01-08Nearest Port: NINGBOAverage Response Time: ≤1.53hTerms 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.

Product Q&A

Q:Are you a manufacturer or a trader?

We are a professional manufacturer in Wenzhou, Zhejiang, China. Our teams have more than 20 years' experience.

Q:Can I use my own logo on your products?

We accept OEM service and allow customers to use their own brand logo on our products.

Q:Can I have a sample at first time?

Yes, samples can be free, and you only need to pay the freight charge.

Q:When can I get the price?

We usually quote within 12 hours after we get your inquiry. If you are very urgent, please call us or provide your email so we will treat your inquiry as priority.

Q:What is your advantage compared with other company?

Our advantages include reasonable prices, good-quality products, efficient production time, and good after-sales service.