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Precision Terminal Blocks & Industrial Connectors

Jetcon-SZ is a trusted manufacturer of high-quality PCB terminal blocks, pluggable connectors, DIN rail terminals, and custom cable assemblies. Engineered for durability, safety, and performance in automation, energy, and control systems worldwide.

Jetcon-SZ Terminal Blocks

Engineered for Excellence

With years of experience in electrical component manufacturing, Jetcon-SZ delivers reliable, high-performance terminal blocks and connectors used across industrial automation, energy systems, elevators, and control panels.

Our products are designed with precision engineering, using flame-retardant materials and robust construction to ensure long-term reliability under demanding conditions. From PCB screw terminals to pluggable DIN rail modules, every component meets international safety and performance standards.

20+ Years in Industry
90+ Product Categories
50+ Countries Served
100% Quality Tested
Factory Quality Control Production Line Product Testing

Our Product Range

Explore our comprehensive selection of terminal blocks, connectors, and industrial electronics designed for reliability, ease of installation, and long-term performance.

PCB Terminal Blocks

PCB Terminal Blocks

2.54mm to 12.7mm pitch, 300V to 1000V, screw or spring clamp types for reliable PCB mounting.

  • • Pitch: 2.54mm, 5.08mm, 10.16mm
  • • Voltage: Up to 1000V
  • • Current: 10A to 65A
  • • Mounting: Vertical or right-angle
Pluggable Terminal Blocks

Pluggable Terminal Blocks

Modular plug-in connectors with lever or screw actuation for fast, tool-free wiring.

  • • Pitch: 3.81mm, 5.08mm
  • • Jointable design
  • • Crimp or solder pin options
  • • DIN rail or panel mount
Spring Terminal Blocks

Spring Terminal Blocks

Screwless spring clamp technology for fast, vibration-resistant connections.

  • • Pitch: 2.50mm to 5.0mm
  • • Conductor: 0.5–4mm²
  • • Push-in or lever actuated
  • • High cycle durability
Barrier Terminal Blocks

Barrier Terminal Blocks

Wall-mounted or ceramic types for high-current, high-temperature applications.

  • • Current: 40A to 150A
  • • Voltage: 600V
  • • Pitch: 13–27mm
  • • High temp resistance (800°C ceramic)
DIN Rail Terminal Blocks

DIN Rail Terminal Blocks

Modular screw or spring clamp blocks for standard 35mm DIN rail mounting.

  • • SAK, UK series compatible
  • • 2.5mm² to 10mm² capacity
  • • Screwless spring or screw clamp
  • • Fuse, ground, and disconnect options
Circular Connectors

Circular Connectors

Robust M8, M12, and custom circular connectors for industrial sensors and controls.

  • • IP67/IP68 rated
  • • Metal or plastic housing
  • • Cable or panel mount
  • • Signal, power, and data variants
Terminal Block Breakout Board

Breakout Boards

Signal conversion, distribution, and interface modules for RS485, DB9, RJ45, and more.

  • • RS232/RS485 adapters
  • • RJ45 to screw terminal
  • • DB9 breakout boards
  • • FTDI chip integration
Connectors Cable Assembly

Cable Assemblies

Custom pre-wired harnesses with connectors, terminals, and junction boxes.

  • • Custom lengths and pinouts
  • • Molded or crimped ends
  • • Shielded or unshielded
  • • UL/CE compliant

Why Choose Jetcon-SZ?

Engineered for reliability, safety, and seamless integration in industrial environments.

High Reliability

Components tested for vibration, temperature, and long-term electrical performance.

Fast Delivery

Efficient production and global logistics ensure quick turnaround and on-time delivery.

Custom Solutions

Tailored pinouts, housings, cables, and labeling for OEM and special applications.

Global Compliance

Products meet CE, RoHS, and UL standards for international market access.

Trusted by Industry Leaders

Delivering performance and precision across automation, energy, and control systems.

90+
Product Categories
50+
Countries Served
10K+
Components Shipped Monthly
100%
Quality Inspected

Frequently Asked Questions

What types of terminal blocks do you manufacture?

We produce PCB terminal blocks, pluggable, spring, barrier, DIN rail, and custom interface modules in various pitches, current ratings, and mounting styles.

Can I request custom cable assemblies?

Yes, we offer full customization including wire gauge, length, connectors, shielding, and labeling based on your specifications.

Are your products RoHS compliant?

All Jetcon-SZ products are RoHS and REACH compliant, with CE and UL certifications available upon request.

What is the lead time for orders?

Standard products ship within 5–7 business days. Custom orders typically take 10–15 days depending on complexity.

Do you offer samples?

Yes, free samples are available for qualified inquiries. Please contact us through the official website to request.

Get in Touch

For quotes, technical support, or product inquiries, visit our official website to connect with our sales team.

We support multiple languages including English, Français, Español, and العربية.

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