2.54mm Pitch Terminal Blocks PCB Spring Terminal Block PCB Wire Connectors
Product Overview
PCB spring terminal blocks are compact, insulated PCB wire connectors designed for fast, secure, and tool-free electrical connections on printed circuit boards. Using an internal spring clamp mechanism, these terminal blocks maintain constant contact pressure, ensuring reliable power and signal transmission even in high-vibration or space-constrained applications.
Unlike traditional screw terminal blocks, spring terminal blocks for PCBs eliminate the need for screws, simplifying installation and reducing maintenance time. Wires can be connected quickly through push-in or tension spring technology, improving assembly efficiency and minimizing wiring errors.
Application Fields
- 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
Why Choose JRKCONN?
Engineering You Can Trust
Backed by 13+ years of manufacturing expertise, we specialize in terminal block solutions engineered for performance, reliability, and long-term stability.
Quality Without Compromise
Every product undergoes 100% inspection before shipment, ensuring dependable quality, eliminating defects, and protecting your projects from costly delays or failures.
One Partner. Total Solution
From design to delivery, our one-stop manufacturing solution simplifies your supply chain, reduces sourcing complexity, and helps you save time and control costs.
Support That Goes Beyond Products
Our engineering team works closely with you, providing custom drawings, fast technical responses, and application-specific solutions to bring your ideas to market faster.
Product Specifications
| Material Specifications |
| Model Number |
JRK141R-2.54 |
| Type |
PCB Spring Terminal Blocks |
| Pitch |
2.54mm |
| Poles |
1P~XXP |
| Wire Guard |
Phosphor Bronze, Ni Plating |
| Pin Header |
Brass, Tin Plating |
| Housing Material |
PA66, UL94V-0 |
| Electrical Specifications |
| Voltage Rating |
150V |
| Withstanding Voltage |
AC 1500V / 1Min |
| Current Rating |
4A |
| Wire Gauge |
26-16AWG |
| Mechanical Specifications |
| Temperature Range |
-40℃~+105℃ |
| Max Soldering |
+250℃ for 5 Sec |
| Strip Length |
10mm |
| Color |
Green |
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.
Technical Drawing of JRK141R-2.54
Packing & Delivery
| Selling Units |
Single item |
| Package |
Tray/bag + carton box packing |
| Port |
Shenzhen |
Estimated Delivery Time
| Samples |
3 ~ 7 working days |
| 1 ~ 100K |
15 business days |
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.
