Sontuoec Str2-D Series (STR2-D23) Overload Thermal Relay for Cjx2/LC1-D Contactor
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Product Highlights
- IEC 60947-1 Compliance: Products fully comply with international IEC 60947-1 standards for safety and reliability.
- Wide Current Range: Rated current spans from 0.63A to 500A across various models to suit different loads.
- Temperature Compensation: Advanced mechanism includes temperature compensation for stable performance in varying environments.
- 18-Month Warranty: Comes with an 18-month warranty period covering mechanical defects and performance issues.
- Factory Direct Pricing: Competitive factory direct prices ensure cost-effectiveness for bulk and individual orders.
- OEM Logo Service: OEM logo printing is available for orders with sufficient quantity requirements.
- Sample Support: Samples are available for testing and evaluation before placing a formal order.
- Custom Packaging: Standard carton packaging is used, with custom packing options available upon request.
Product Attributes
- Customization
- Available
- Theory
- Thermal Relay
- Usage
- Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
- Model NO.
- STR2-D
- Phase
- 3
- Electricity Type
- Ac
- Number of Pole
- 3
- 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
- Price
- Factory Direct
- Warranty Time
- 18months
- Competitive
- Factory Price
- Transport Package
- Exporting Carton
- Specification
- 0.16 TO 93A
- Trademark
- SONTUOEC, STUOEC
- Origin
- Wenzhou Zhejiang
- HS Code
- 85364900
- Production Capacity
- 1000pieces/Day
- Package Size
- 46.00cm * 24.00cm * 33.00cm
- Package Gross Weight
- 0.450kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Sontuoec Str2-D Series (STR2-D23) Overload Thermal Relay for Cjx2/LC1-D Contactor
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Product Description
Auto relay STR2-D series of thermal overload relay can be used in the circuit of 50/60 HZ, rated insulation voltage 660 V, rated current 0.1-93A for protecting the phase break when the electric motor is overload , the relay has different mechanism and temperature compensation can be pluged in ST1 series AC contactor,It is the most advanced thermal relay in the nineties in the world the products comply with IEC 60947-1.
Motion Characteristic: Three-phase Balance Motion Time
| No. | Times of the setting current | Motion time | Start condition | Ambient temperature | ||
| 1 | 1.05 | >2h | Cold state | 20±5oC | ||
| 2 | 1.2 | <2h | Heat state(Following the No.1 test) | |||
| 3 | 1.5 | <4min | ||||
| 4 | 7.2 | 10A | 2s< Tp≤10s | ≤63A | Cold state | |
| 10 | 4s< Tp≤10s | >63A | ||||
Phase-losing Motion Characteristic
| No. | Times of the setting current | Motion time | Start condition | Ambient temperature | ||
| Any two phases | Another phase | |||||
| 1 | 1 | 0.9 | >2h | Cold state | 20±5oC | |
| 2 | 1.15 | 0 | <2h | Heat state(Following the No.1 test) | ||





| Type | Rated working current of thermal relay | Thermal component | ||
| Rated current(A) | Rated or scale of rated current(A) | |||
| TR2-D13 | 25 | TR2-D 1301 | 0.16 | 0.1-0.16 |
| 1302 | 0.25 | 0.16-0.25 | ||
| 1303 | 0.4 | 0.25-0.4 | ||
| 1304 | 0.63 | 0.40-0.63 | ||
| 1305 | 1.0 | 0.63-1.0 | ||
| 1306 | 1.6 | 1.0-1.6 | ||
| 1307 | 2.5 | 1.6-2.5 | ||
| 1308 | 4.0 | 2.5-4.0 | ||
| 1310 | 6.0 | 4.0-6.0 | ||
| 1312 | 8.0 | 5.5-8.0 | ||
| 1314 | 10.0 | 7.0-10.0 | ||
| 1316 | 13.0 | 9.0-13.0 | ||
| 1321 | 18.0 | 12.0-18.0 | ||
| 1322 | 25.0 | 17.0-25.0 | ||
| TR2-D23 | 36 | TR2-D 2353 | 32 | 23.0-32.0 |
| 2355 | 36 | 28.0-36.0 | ||
| TR2-D33 | 93 | TR2-D 3353 | 32 | 23.0-32.0 |
| 3355 | 40 | 30.0-40.0 | ||
| 3357 | 50 | 37.0-50.0 | ||
| 3359 | 65 | 48.0-65.0 | ||
| 3361 | 70 | 55.0-70.0 | ||
| 3363 | 90 | 63.0-80.0 | ||
| 3365 | 93 | 80.0-93.0 | ||
Q 1. what's the payment term?
A. We accept TT,30% deposit and 70% balance agaisnt copy of BLQ 2. how's the delivery time ?
A. usually it will take about 25 days for production
Q 3. tell me the standard of package?
A. Normally are cartons, but also we can pack it according to your requirement.
Q 4.Would you accept to use our logo ?
A.If you have good quantity,it absolute no problem to do OEM.
Q5. Can i take some samples?
A: Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
Q6. Are you original Factory?
A: Yes, we have our own factory .
Q7. How can you make sure the quality of the products?
A: We will accord to international quality standards to inspect every item before leaving our factory.
If you have more questions, please contact us at any time:

About the Supplier
Company Profile
WENZHOU SANTUO ELECTRICAL Co., Ltd. is one of manufactories that specialize in manufacturing Circuit Breaker; AC CONTACTOR, Thermall Relay and Isolator Switch, Change over switch; Power Distribution Case, Push Button Switch; Voltage Regulator/Protector...More than 20years and is located in Liushi, Wenzhou, China that called " the Capital of Low Voltage Electronic Products", enjoying convenient transportation access and a beautiful environment. Our teams have more than 20years' experience; We have passed ISO9001 approval, The products have passed CE, CB(IEC), SAA certificates and strictly comply with IEC standards. The company has advanced detection instruments and strong technical force with strong research and development capability, product constantly updated. The products export Europe, Asia, Southern Amercia, Middle East, Western Africa market.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
On the base of guarrantee the quality, we will try our best to design new model with ourselves patents for the coming years.
About Our Factory & Business Background
- Address
- No. 3999 Liujiang Road, Liushi Yueqing, Wenzhou, China.
- Terms of Payment
- LC, T/T, D/P, PayPal
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays - Nearest Port
- NINGBO
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2016-01-08
- Main Markets
- South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe
FAQ
- What are the payment terms?
- We accept TT, 30% deposit and 70% balance against copy of BL.
- How is the delivery time?
- Usually it will take about 25 days for production.
- What is the standard of package?
- Normally are cartons, but also we can pack it according to your requirement.
- Do you accept using our logo?
- If you have good quantity, it absolute no problem to do OEM.
- Can I take some samples?
- Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
- Are you original Factory?
- Yes, we have our own factory.
- How can you make sure the quality of the products?
- We will accord to international quality standards to inspect every item before leaving our factory.
Send your message to this supplier
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Product Groups
- RCBO Circuit Breaker
- Adjustable earth leakage circuit breaker
- Residual current circuit breaker
- Miniature circuit breaker
- Moulded case circuit breaker
- Motor Protection Circuit Breaker
- AC Contactor
- Magnetic Contactor
- Air Conditioning Contactor
- Thermal relay
- Solid State Relay
- Magnetic starter
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