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 03
THZ-300T Contactor
Suitable for programmable power supplies, uninterruptible power supply (UPS) systems, forklifts, electric vehicles, sightseeing vehicles, construction machinery, and other similar systems.
- 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-300T Contactor
- Load current
- 300 A
- Contact arrangement
- 1 Form A
- Type
- Magnetic latch
| Type | Magnetic latch |
|---|---|
| Load current | 300A |
| series breakdown | T series |
| Contact Type | 1 Form Open contact |
| Permanent Magnet | No Blowouts |
| Coil Voltage | 24 Vd.c. |
| Load voltage | 24 Vd.c. |
| Special Code | customer demand(Only for special requirements) |
Product characteristics
- 1.The main contact adopts a double breakpoint structure；
- 2.Using rubber sealing ring structure, sealing grade up to IP65；
| Rated Voltage Vd.c. | Operate Voltage Vd.c.（at -40 ℃～75 ℃） | Release Voltage Vd.c. （at -40 ℃～75 ℃） | Coil Resistance Ω（at 23 ℃） | Coil Power W（at -40 ℃～75 ℃） |
|---|---|---|---|---|
| 24 | ≤18 | ≤2.4 | 45×(1±10%) | pprox. 14W |
- Contact Arrangement: 1 Form A
- Contact Material: Copper Alloy
- Contact Resistance: ≤1 mΩ (at 20 A)
- Contact Rating: 300 A （185 mm2 wire）
- Max. Breaking Current: see4.1
- Max. Switching Voltage: 30 Vd.c.
- Min. Applicable Load: 6 Vd.c. 1 A
| Current | Duration |
|---|---|
| 300 A | cont. |
| 375 A | 1 h |
| 600 A | 20 min |
| 1200 A | 30 s |
| 2400 A | 10 s |
Condition for current endurance
- 1.Ambient temperature：75 ℃；
- 2.Supply rated voltage to coil
- 3.The cross section area of wire is 185 mm² .
| Product model | Ambient Temperature | Contact Rating | ON：OFF | Electrical Endurance |
|---|---|---|---|---|
| THZ-300T/24 | Room Temperature | Make-Break：( L/R≤1 ms） Steady 300 A Contact Voltage 24 Vd.c. | 1 s:9 s | 50000≥(ops) |
| Make-Break：( L/R≤1 ms） Steady 375 A Contact Voltage 24 Vd.c. | 1 s:9 s | 120≥(ops) | ||
| Make-Break： ( L/R≤1 ms） Steady 1200 A Contact Voltage 48 Vd.c. | 1 s:9 s | 1≥(ops) |
| Product model | Unit Weight |
|---|---|
| THZ-300T/1C24·24 | 345g |
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.