When buyers review CHINT NJBK1 Motor Overload Protection Relay for a live project, they usually care less about generic definitions and more about whether the product really fits the application. That means checking rating, installation conditions, matching accessories, and whether similar products are available for package sourcing. This article is written from that practical sourcing angle.
Quick answer
Motor protection relay for three-phase AC motors, 0.5kW-200kW, overload and phase loss protection.
Why this topic matters in real purchasing work
CHINT NJBK1 Motor Overload Protection Relay is often discussed when a buyer or engineer is trying to balance technical fit, replacement convenience, and supply reliability for control circuit and automation applications. In practice, the product choice is rarely made on one parameter alone. Buyers usually compare application scenario, installation method, accessory matching, and whether alternative models on the market are easier to source.
What buyers should check before finalizing the model
- Confirm the control-circuit requirement and switching role.
- Check coil or control voltage before project matching.
- Verify terminal arrangement and installation space.
- Review operating environment and expected duty conditions.
- Confirm project quantity and export documentation needs.
Technical specifications overview
| Parameter | Details |
|---|---|
| Product Name | CHINT NJBK1 Motor Overload Protection Relay |
| Product Category | Relay |
| Application | control circuit and automation applications |
| Installation Environment | Confirm according to actual project conditions |
| Supply Support | OEM, export supply, and quotation support available |
| Brand | Shanghai Newtrend Electric |
Application and sourcing reference
| Parameter | Details |
|---|---|
| Typical project use | control circuit and automation applications |
| Buyer concern | Technical fit, replacement logic, and delivery-ready sourcing communication |
| Common supply form | Relay for OEM, panel builder, distributor, and project orders |
| Recommended action | Shortlist matching products and compare installation, rating, and accessories before RFQ |
Why buyers shortlist this kind of product
- Useful for automation buyers comparing control components.
- Supports clearer technical communication before quotation.
- Helps distributors and OEM buyers review application fit faster.
Common applications
- control circuit and automation applications
- OEM and export sourcing projects
- Industrial distribution or equipment connection scenarios
Recommended products for comparison or package supply
| Recommended product | Use case | Link |
|---|---|---|
| CHINT NJBK1 Motor Overload Protection Relay | Primary product discussed in this article | View product |
| CHINT NJDC-17 Miniature Electromagnetic Relay | Related product for comparison or package supply | View product |
| CHINT NXJ Plug-in Relay | Related product for comparison or package supply | View product |
| CHINT JQX-13F Power Relay | Related product for comparison or package supply | View product |
Recommended products from our website
If you want to move from article reading to sourcing action, these product pages are the most relevant starting points.
| Product | Use case | Link |
|---|---|---|
| CHINT NJBK1 Motor Overload Protection Relay | Main product page for this topic | View product |
| CHINT NJDC-17 Miniature Electromagnetic Relay | Related product for comparison or package supply | View product |
| CHINT NXJ Plug-in Relay | Related product for comparison or package supply | View product |
| CHINT JQX-13F Power Relay | Related product for comparison or package supply | View product |
Frequently asked questions
How should buyers select the right CHINT NJBK1 Motor Overload Protection Relay for control circuit and automation applications?
Buyers should confirm current rating, installation environment, protection requirement, system matching, and destination-market requirements before selecting the right CHINT NJBK1 Motor Overload Protection Relay for control circuit and automation applications.
What should be checked before replacing or sourcing a Relay?
Core checks include technical rating, installation fit, operating environment, matching accessories, and any OEM or export documentation requirements relevant to the final project.
Can Shanghai Newtrend Electric support OEM or export supply for CHINT NJBK1 Motor Overload Protection Relay?
Yes. Shanghai Newtrend Electric supports OEM and export supply communication for CHINT NJBK1 Motor Overload Protection Relay, including technical confirmation, quotation support, and project-oriented sourcing coordination.
Need quotation support?
If you are preparing an order, send the target model, electrical rating, quantity, and application environment. That makes it much easier to confirm the right option, suggest related products, and move the quotation process faster.
Cross-reference: Need the Schneider, ABB or Siemens equivalent for a Chint, Delixi or NewTrend model? See our full model cross-reference table — contactors up to 3150A, MCCB to 1600A, plus ACB and RCCB/RCBO.
Related guide: Top 30 Contactor Manufacturers in 2026.
