Application-Based Selection
Contactors are used in industrial machinery, motor control systems and power control assemblies. Model suitability depends on the electrical load, switching frequency and system design.
PRODUCT LINE / CUSTOM SOLUTIONS / TECHNICAL SUPPORT
OEM & Custom Solutions
Explore product specifications, application requirements and customization options for your equipment.
FOR OEMS / REF 06
THZ-400C Contactor
This series features a single NO contact, simple construction, and reliable operation. It is applicable to programmable power supplies, UPS systems, forklifts, EVs, sightseeing vehicles, construction machinery, and the like.
- Application-based electrical specification review
- Electrical and mechanical compatibility
- Technical discussion for OEM requirements
- Sample evaluation and bulk sourcing coordination
Industrial Contactor Specifications
Confirm the load type, contact and coil voltages, switching duty and mounting requirements.
THZ-400C Contactor
- Load current
- 400 A
- Contact arrangement
- Normally open
- ①Type ：THZ
- ②Lode Current ：400A
- ③series breakdown :C series
- ④Lode Voltage ：48：48 Vd.c.
- 80：80 Vd.c.
- ⑤Coil Voltage ：48:48 Vd.c.
- 80:80 Vd.c.
- ⑥Contact Type N: 1 Form A
- ⑦Load Termination ：Screw-type terminal
- ⑧ Coil Termination ：Spade terminals
- Wires
- ⑨ Mounting ：No mounting
- bracket on the side
- H:With mounting
- ⑩Permanent Magnet ：No Blowouts
- B:Blowouts
- ⑪ Coil surge arrester ：No Coil surge arrester
- Coil surge arrester
- ⑫ Special Code ：customer demand(Only for special
- requirements)
Product characteristics
- 1.It is preset with permanent magnets, which can quickly extinguish the arc and enhance the product breaking ability;
- 2.The maximum breaking can reach 600A, 96V DC .
| Rated Voltage Vd.c. | Operate Voltage Vd.c.（at -40 ℃～85 ℃） | Release Voltage Vd.c. （at -40 ℃～85 ℃） | Coil Resistance Ω（at 23 ℃） | Coil Power W（at -40 ℃～85 ℃） |
|---|---|---|---|---|
| 48 | ≤36 | ≥4.8 | 152×(1±5%) | Approx. 16W |
| 80 | ≤60 | ≥8 | 410×(1±5%) | Approx. 16W |
- Contact Arrangement: H 1 Form A 。
- Contact Material: Copper Alloy 。
- Contact Resistance: ≤0.5 mΩ (at 20 A) 。
- Contact Rating: 400 A （240 mm2 wire）。
- Max. Breaking Current: see4.1 。
- Max. Switching Voltage: 80 Vd.c.。
- Min. Applicable Load: 6 Vd.c. 1 A
| Current | Duration |
|---|---|
| 400 A | cont. |
| 800 A | 10s |
Condition for current endurance
- 1.Ambient temperature：85 ℃；
- 2.Supply rated voltage to coil；
- 3.The cross section area of wire is 240 mm2 .
| Product model | Unit Weight |
|---|---|
| THZ-400C/XX-XX-NESB | 1250g |
| THZ-400C/XX-XX-NESHB | 1300g |
Please refer to the technical datasheet for the exact ratings and operating conditions of each model.
TECHNICAL DRAWINGS
Drawings & diagrams
Open a figure to inspect the dimensions and configuration details.
Designed Around Your
Equipment Requirements
Electrical and Mechanical Compatibility
Confirm the load type, contact and coil voltages, switching duty and mounting requirements.
OEM and Customization Support
Discuss your application, technical parameters and installation constraints with our team. Available options depend on the product platform, engineering feasibility and order requirements.
Industrial Contactor
Applications
- Industrial machinery and equipment
- Motor control and electrical control panels
- Power switching and distribution systems
- OEM equipment development
- Application-specific electrical assemblies
Contactors are used in industrial machinery, motor control systems and power control assemblies. Model suitability depends on the electrical load, switching frequency and system design.
OEM Industrial Contactor
Sourcing
For equipment manufacturers, consistent specifications and reliable supply arrangements are important throughout the product lifecycle.
When evaluating a supplier, consider technical documentation, sample verification, production consistency, customization feasibility and long-term sourcing requirements.
Industrial contactor selection guide ↗FAQ
Frequently
Asked
Questions
Discuss your requirements
Send us your specifications, drawings or existing part number to discuss product suitability, customization feasibility and quotation requirements.
Request a quoteWhat should I check before selecting this contactor?
Confirm the load type, contact and coil voltages, switching duty and mounting requirements.
Can I request a customized contactor?
Customization depends on the model and technical requirements. Share your specifications or drawings so the feasibility of your requested configuration can be reviewed.
Can I request samples before bulk purchasing?
Sample availability, cost and lead time should be confirmed for the selected model before placing an order.
What information is needed for a quotation?
Provide the model number, required quantity, electrical specifications, intended application and any special technical or packaging requirements.