What payment terms are accepted?

We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

How long is the average lead time?

The lead time is within 15 workdays during off-peak seasons and varies from one month to 3 months during peak seasons.

What is the warranty period for this product?

The product comes with a 3-month warranty.

Elevator Tension Device for Elevator Safety Protection System

Name: Elevator Tension Device for Elevator Safety Protection System
Brand: Shanghai Sunny Elevator Co., Ltd.
SKU: 1936357055

Shanghai, ChinaShanghai Sunny Elevator Co., Ltd.

US$50.00-120.00

1 Piece

Product profile

After-sales Service

with

Warranty

3 Months

Driving Type

AC Elevator

Model NO.

SN-ZD24A

Capacity

500-1000kg

Persons

11 - 19

Speed

0.25~2.5 M/S

Control Mode

Group Control

Position of Computer Room

Without Computer Room

Elevator Door

Center Opening Door

Door Knife

Single

Deceleration Device

Without Deceleration Device

Attendant

Without Attendant

Sheave Diameter

Ф240mm

Rope Tension Force

500~1600n

Used

Elevator Speed Governor

Product Name

Elevator Tension Device

Transport Package

in Carton Box

Trademark

Sunny

Origin

China

Production Capacity

10000 PCS/ Month

Key features

Comprehensive Safety Protection: Prevents elevator overspeed and wire rope breakage by activating safety clamps or traction wire rope grips.

Heavy Hammer Design: SN-ZD24A model features a heavy hammer mechanism for reliable speed limiter actuation.

Precise Rope Specifications: Compatible with 8mm nominal diameter wire rope and 240mm sheave diameter.

Flexible Counterweight Options: Supports hanging counterweight masses of 18kg and 30kg for various elevator configurations.

Full Customization Available: Offers full, minor, and flexible customization based on samples or designs.

Global Export Experience: Manufacturer with 16 years of export experience serving 80 countries worldwide.

Competitive MOQ: Minimum Order Quantity is 1, allowing for small batch purchases.

Multiple Payment Methods: Accepts T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

Company profile

Importers and ExportersIn-stock CapacityR&D CapabilitiesDigital Management Enterprise

Shanghai Sunny Elevator Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.21h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company selling electronic products, mechanical equipment, and accessories, with import and export capabilities. It reports inventory capacity, four production lines, broad export-market coverage, and an off-season lead time within 15 workdays. Customization is available from samples and designs through full customization, but there were no new products in the past year, no ODM service, and no SDK availability. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, branches, or offline trade-show participation. ERP-based digital process management is reported, while no fixed-source pollution registration or factory environmental impact assessment report is available. Evidence is insufficient for certification holding, financial credibility, and customer cases.

Supplier typeThe supplier is explicitly classified as a trading company whose scope covers sales of electronic products, mechanical equipment, and accessories, together with import and export of goods and technology. This indicates a trading-oriented business model rather than a clearly identified manufacturer.

R&D capabilityThe supplier offers multiple customization modes, but reports no new products in the past year, no ODM service, no SDK, and only three years of total R&D engineer experience. ERP integration and digitalization initiatives are reported, but the explicit product-development evidence indicates limited demonstrated innovation.

Production capacityThe supplier reports inventory capacity, four production lines, an annual output range, broad export-market coverage, and an off-season lead time within 15 workdays. However, the peak-season lead-time entry is mixed and unclear, and the supplier is classified as a trading company, so the full scale and reliability of its own production capability remain only partially established.

Customization capabilityThe supplier explicitly supports customization from samples, designs, minor customization, flexible customization, and full customization. This is direct evidence of broad customization availability, although the limited stated R&D experience may affect complex development projects.

Product Q&A

Q:What is the function of the SN-ZD24A Tensioner?

It is a safety control component that prevents the elevator from falling straight down or hitting the top by activating safety clamps or gripping the traction wire rope during overspeed or wire rope breakage.

Q:What are the rope specifications for this device?

The device is designed for a wire nominal diameter of 8mm and a rope wheel pitch diameter of 240mm.

Q:What counterweight options are supported?

The system supports hanging counterweights of 18kg and 30kg.

Q:Does the product support customization?

Yes, we offer full customization, minor customization, and flexible customization based on samples or designs.

Q:What is the minimum order quantity?

The minimum order quantity is 1 unit.