Application-Based Selection
Relays support control and protection circuits for power systems and electrical equipment.
PRODUCT LINE / CUSTOM SOLUTIONS / TECHNICAL SUPPORT
OEM & Custom Solutions
Explore product specifications, application requirements and customization options for your equipment.
FOR OEMS / REF 01
THJ7-20C12G80 Relay
This product is intended for use in protection and control circuits in power systems, where it protects equipment and transmission lines and ensures reliable control over the operation of power transmission and power supply systems.
- Application-based electrical specification review
- Electrical and mechanical compatibility
- Technical discussion for OEM requirements
- Sample evaluation and bulk sourcing coordination
Industrial Relay Specifications
Confirm the coil voltage, contact arrangement, load characteristics and terminal configuration.
THJ7-20C12G80 Relay
- Contact arrangement
- 1 Form C
- Maximum switching current
- 20 A
- Maximum switching voltage
- 80 V DC
Features
- 20A switching capability
- Operating temperature up to 85°C
- 1 Form C (single changeover) contact
- Optional transient suppression resistor available
| Contact Form | 1C |
|---|---|
| Max. Switching Current | 20A |
| Max. Switching Voltage | 80VDC |
| Max. Continuous Current | 20A（23℃） |
| Minimum Load | 1A 6VDC |
| Contact Resistance (Initial) | Max.50mΩ @ 6VDC 1A |
| Contact Material | Ag Alloy |
| Contact Load (Resistive) | NO: 20A, NC: 20A (at 80VDC) |
| Electrical Life (at 23°C) | 60,000 operations (900 cycles/hour) |
| Mechanical Life | 1×10⁶ operations (1,800 cycles/hour) |
| Insulation Resistance | Min. 100MΩ at 500VDC |
|---|---|
| Dielectric Withstand Voltage | 500VAC 1 min, 50/60Hz |
| Operate Time | Max.15ms |
| Release Time | Max.15ms |
| Vibration | 10-55 Hz |
| Shock | 294m/s² |
| Ambient Temperature | -40℃～85℃ |
| Terminal Type | Quick-connect terminals |
| Mechanical Strength | 100N |
| Encapsulation / Package Style | Plastic sealed (molded) type |
| Rated Voltage | Pick-up Voltage | Release Voltage | Coil Resistance (±10%) | Parallel Resistance (±5%) | Equivalent Resistance (±10%) | Coil Power Consumption |
|---|---|---|---|---|---|---|
| 12 | ≤8.4 | ≥1.2 | 75.7 | — | — | 1.95 |
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 coil voltage, contact arrangement, load characteristics and terminal configuration.
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 Relay
Applications
- Protection and control circuits
- Equipment and transmission-line protection
- Power supply control
Relays support control and protection circuits for power systems and electrical equipment.
OEM Industrial Relay
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.
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 relay?
Confirm the coil voltage, contact arrangement, load characteristics and terminal configuration.
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.