Terminal Screw Block 4Pin Screw Connector Block Barrier Terminal Blocks
A barrier terminal block (also called a barrier strip or screw terminal) is an electrical connector used to safely and securely join multiple wires together or to connect wires to a device, using metal screws as the clamping method. It is characterized by a solid insulating plastic body with metal clamps separated by raised plastic walls or barriers.
Key Advantages of 7.62mm Pitch Barrier Terminal Blocks
- Safety: Barriers prevent shorts between adjacent connections
- Reliability: Screw clamps provide strong, vibration-resistant connections suitable for high-current applications
- Flexibility: Easy to add, remove, or change wires using only a standard screwdriver
- Organization: Neatly organizes multiple connections in defined spaces
- Tool Simplicity: Requires only a standard screwdriver for installation
- High Power Capacity: Handles higher current and voltage than simpler connectors like wire nuts or IDC blocks
Common Applications
- Industrial Control Panels (PLC Panels) for power, sensors, and actuators
- Power Supply input and output connections
- Motor Controllers and Drives for main power and control
- Heating, Ventilation, and Air Conditioning (HVAC) equipment
- Appliance Wiring in ovens and industrial machinery
- Audio Equipment for robust connections in amplifiers and speakers
- Electrical Distribution in sub-panels and junction boxes
Technical Specifications
| Model Number |
JRK28SM |
Pin Header |
Brass, Tin plating |
| Type |
Barrier Blocks |
Housing Material |
Polyamide (PA66), Nylon 6/6 |
| Pitch |
7.62 mm |
Rated Voltage |
300V |
| Number of Poles |
2P-24P |
Withstanding Voltage |
AC 2000V / 1Min |
| Screws Material |
M3, Steel, Zinc Plating |
Rated Current |
15A |
| Wire Range |
22-14 AWG |
Max. Torque Value |
8kg.cm |
| Temp Range |
-40℃ ~ +105℃ |
Mounting Type |
Through Hole |
| Color |
Black |
Application |
Industrial Control Systems, HVAC Systems, Power Supply, Transportation, Consumer Electronics, Telecommunications |
Note: The actual product color may vary slightly from images due to monitor settings. All measurements are taken manually and may have slight deviations.
Technical Drawing of Barrier Terminal Block JRK28SM
Manufacturing Advantages
- 15+ Years Experience: Specialized in electronic connectors, headers, sockets, and customized solutions
- Complete Production Facility: Fully equipped for stamping, injection molding, assembly, and quality control
- Customization Support: Standard and OEM/ODM products tailored to customer requirements
- Quality Certified: ISO9001 & ISO14001 certified for reliable performance
- Global Distribution: Products supplied worldwide with major electronics exhibition participation
- Versatile Applications: Solutions for industrial control, communications, medical devices, robotics, displays, and consumer electronics
Manufacturing Process
Frequently Asked Questions
- Can I have a sample order before placing a purchase order?
Samples are available for testing; customers pay only the express courier cost.
- What is the sample lead time?
Standard samples take 3-7 working days; customized samples take 7-15 working days.
- Do you have any MOQ Limit?
Low MOQ available; 1 piece for sample checking.
- Can I make personalized/customized products?
Yes, we accept custom orders based on your drawings or samples.
- How do you ship the goods, and how long does it take?
We ship via DHL, UPS, FedEx, TNT, or your freight forwarder, typically arriving in 3-7 days.