3.5mm Plug In Terminal Block Connector Receptacle Header Terminal Blocks
High-density plug-in terminal block connectors are designed for reliable electrical connections in demanding industrial applications.
Application Fields of 3.5mm Plug-In Terminal Block Connector
- Programmable Logic Controller (PLC) Systems: For high-density Input/Output (I/O) point connections
- Factory Automation & Robotics: Where end-effectors, tool changers, or sensor modules require frequent disconnection
- Motor Control Centers (MCCs) & Power Distribution Panels: For connecting contactors, drives, and circuit breakers
- Transportation: Railway and mobile equipment requiring reliable, vibration-proof connections
Our Advantages
- Expert Engineering: Over 13 years of manufacturing experience dedicated to perfecting terminal block technology
- Quality Assurance: 100% inspection commitment ensures zero-defect deliveries and minimized project risks
- Streamlined Operations: One-stop solution consolidates your needs, saving time and reducing overall costs
- Technical Support: Expert engineering assistance with custom drawings and tailored solutions
Product Specifications
| Model Number |
JRK15EDGKB-3.5/3.81 Series |
| Type |
Pluggable |
| Pitch |
3.5/3.81mm |
| Poles |
2~24P |
| Screw Material |
M2.0 Steel, Zinc Plating |
| Contact Material |
Phosphor Bronze, Ni Plated |
| Operating Temperature |
-30℃ ~ +120℃ |
| Wire Cage |
Brass, Ni Plated |
| Housing Material |
PA66, UL94V-0 |
| Voltage Rating |
300V |
| Withstanding Voltage |
AC 1500V / 1Min |
| Current Rating |
8A |
| Torque |
0.2Nm (1.7 Lbin) |
| Wire Gauge |
28-16AWG |
| Max Soldering |
+250℃ for 5 Sec |
| Strip Length |
6~7mm |
| Color |
Green |
| Application |
Aerospace, Rail Transportation, Shipbuilding, Machinery, Metallurgical Chemical, Power Communication, Electrical Control, etc. |
Note: The actual product color may vary slightly from the images shown due to variations in monitor settings. All measurements are taken manually and may have slight deviations.
Packing & Delivery
| Selling Units |
Single item |
| Package |
Tray/bag + carton box packing |
| Port |
Shenzhen |
| Quantity (pcs) |
1 - 100K |
| Samples |
3 ~ 7 |
| Estimated Delivery Time |
15 business days |
Technical Drawing of JRK15EDGKB-3.5/3.81 Series Terminal Blocks:

Custom Manufacturing Process
Frequently Asked Questions
Q1. Can I have a sample order before placing a purchase order?
A: Samples are available for testing; customers pay only the express courier cost.
Q2. What is the sample lead time?
A: Standard samples take 3-7 working days; customized samples take 7-15 working days.
Q3. Do you have any MOQ Limit?
A: Low MOQ available; 1 piece for sample checking.
Q4. Can I make personalized/customized products?
A: Yes, we accept custom orders based on your drawings or samples.
Q5. How do you ship the goods, and what is the shipping time?
A: We ship via DHL, UPS, FedEx, TNT, or your freight forwarder, typically arriving in 3-10 days.
Q6. Are OEM and ODM available?
A: Yes, OEM and ODM are available.