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Digital Immersion Heater Time Switch
US$15.00-25.00
500 Pieces
Product profile
Customization
AvailableNumber of Switch
Single Control SwitchProtection
Dust-ProofModel NO.
JK-50 SID1Certification
RoHS, CE, UkcaType
ElectronicName
Immersion Heater Time SwitchVoltage Input
250V 50HzMax. Current
16AMin. Setting Time
1 MinuteMax. Setting Time
7 DaysTransport Package
White BoxSpecification
16ATrademark
Joint KeyOrigin
ChinaHS Code
8536500090Production Capacity
50000PCS Per MonthKey features
Flexible Time Settings: Min setting 1 minute, max 7 days with 8 ON/OFF cycles per day.
Dual Voltage Support: Supports 250V 50Hz 16A and 125V 60Hz 15A for global use.
Summer/Winter Function: Built-in automatic adjustment for daylight saving time changes.
Battery Backup: Equipped with Ni-MH rechargeable battery for memory retention.
Transparent Cover: Fitted with transparent cover for easy status monitoring.
RoHS CE Certified: Meets RoHS, CE, and Ukca safety and environmental standards.
Random Function: Includes random function for enhanced security simulation.
Easy Programming: Simple surface mount installation with override switch.
Company profile

Business Type: Manufacturer/Factory, Trading Company, OtherExport Year: 2019-12-11Nearest Port: GuangzhouAverage Response Time: ≤18hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF, EXW
AI-Powered supplier vetting
SummaryJoint Key International Ltd. is a China-based limited company in Guangzhou, identified as both a trading company and manufacturer/factory. It offers lighting, heating, electrical accessories, controls, and related products, with exports representing 90% of total sales and coverage across multiple global regions. The supplier reports ISO 9001 and ISO 14064 certification, more than 10 production lines, and one-month lead times in both peak and off-peak seasons. Its stated investment in product design and tooling and development of energy-saving LED ranges indicates product innovation activity. However, the available information shows fewer than five R&D engineers, fewer than five quality-control staff, staff experience of 1–3 years, and no specific customer cases or detailed customization evidence. The supplier states that it provides first-class after-sales service, but independent performance evidence is not provided.
Supplier typeThe supplier is identified as a limited company and is classified as both a trading company and manufacturer/factory. Its Guangzhou, China head-office details and listed product portfolio support an established commercial supplier identity, although the records do not clarify the relative scale of trading versus manufacturing operations.
CertificationsThe supplier reports holding ISO 9001 and ISO 14064 certifications. These are explicit management-system certifications and provide positive evidence of formal quality and environmental management practices, although certificate scope and validity dates are not provided.
After-Sales capabilityThe supplier explicitly states that it offers first-class after-sales service intended to address customer problems after purchase. This supports a positive assessment, but the slices do not provide service staffing, response-time data, warranty terms, or customer feedback.
R&D capabilityThe supplier states that it continuously invests in product design and tooling and is developing energy-saving LED products, while its portfolio includes smart lighting and related electrical products. This indicates active product-development capability, though the reported R&D engineering experience of fewer than five years and fewer than five R&D engineers suggest limited documented R&D depth.
Production capacityThe supplier is classified as a manufacturer/factory, lists multiple lighting, heating, and electrical product categories, reports more than 10 production lines, and states one-month lead times in both peak and off-peak seasons. These are positive indicators of production capacity and delivery organization, although production-line capacity, utilization, and manufacturing ownership are not detailed.
Product Q&A
Q:What are the voltage and current specifications?
A:
It supports 250V~, 50Hz with 16A max current, or 125V~, 60Hz with 15A max current.
Q:What is the minimum and maximum setting time?
A:
The minimum setting time is 1 minute, and the maximum is 7 days.
Q:Does it support daylight saving time adjustment?
A:
Yes, it features a summer/winter time function for automatic adjustment.
Q:What certifications does this product have?
A:
The product is certified with RoHS, CE, and Ukca standards.
Q:Is there a battery backup included?
A:
Yes, it is fitted with a Ni-MH rechargeable battery.
Send Inquiry
*To:
Guangzhou Joint Key International Ltd
Guangzhou Joint Key International Ltd*Content:
Supplier replies will be sent to your registered email
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