Industrial Automation
PLC, servo, sensor and control cabinet connections.
Start an RFQ ↗TERMINAL BLOCKS · OEM CONNECTION SUPPORT
The right connection,
specified clearly.
Source PCB screw, pluggable, spring and barrier terminal blocks from China with a faster path from technical requirement to sample.
SPEC-FIRSTPitch · positions · wire range · ratings
MODEL-BASED53 listed models · 162 product views
EXPORT-FOCUSEDSamples · documents · shipment support
CONNECTION FAMILY / 2026ENGINEERED FOR A CLEARER RFQ
01 Choose the connection family and reference model.
02 Compare pitch, mounting, positions and electrical data.
03 Confirm samples, final specifications and order details.
PRODUCT CENTER
Four clear families.
Model-level product data.
Start with the connection method, then open the complete catalog to compare models by pitch, mounting direction and key ratings.
01
VIEW MODELS ↗
VIEW MODELS ↗Pluggable Terminal Blocks
Plugs and headers for serviceable PCB connections, with vertical, right-angle, latch and flange options.
02
VIEW MODELS ↗
VIEW MODELS ↗PCB Screw Terminal Blocks
Compact and high-current screw-clamp connections for direct PCB mounting.
03
VIEW MODELS ↗
VIEW MODELS ↗Barrier Terminal Blocks
Partitioned screw terminals for clear, secure power and equipment wiring.
04
VIEW MODELS ↗
VIEW MODELS ↗Spring Terminal Blocks
Spring-clamp connection options for compact signal and equipment wiring. Technical ratings are being confirmed.
Open complete product catalog →Download 2026 PDF catalog ↗
53 models · 162 unique product images · 4 available families
BUYER RESOURCE
Choose the connection from measurable requirements.
Use the PCB terminal block selection guide to compare connection families, pitch, positions, mounting direction, conductor range and model-level ratings before requesting a quote.
Open the technical resource center →01Connection family
02Pitch & positions
03Wire range & ratings
04Drawing & sample
FROM UNKNOWN PART TO CHECKABLE RFQ
Six buyer tasks, connected in the order evidence is needed.
Enter at the step that matches what you already know. Each task returns a usable output for the next check instead of asking you to start over.
Browse all 21 technical resources →Start from a model or connection family.
Search 53 model pages or open one of four product families.
- INPUT
- Reference model, marking or connection method
- OUTPUT
- Model-level shortlist
Turn the physical sample into nominal pitch.
Use positions and first-to-last contact-center span to rank 12 catalog pitches.
- INPUT
- Positions + measured center span
- OUTPUT
- Nearest pitch candidates
Convert AWG and open documented ranges.
Compare nominal conductor geometry with 40 models that publish an AWG range.
- INPUT
- AWG + conductor construction
- OUTPUT
- Documented wire-range shortlist
Check the drawing and installation data.
Review 42 public drawings plus model-level strip-length and torque references.
- INPUT
- Exact model, PCB and assembly process
- OUTPUT
- Open differences and evidence needs
Record findings instead of approving by resemblance.
Use the eight-stage checklist for fit, wiring, ratings, documents and closure.
- INPUT
- Production-intent sample + current documents
- OUTPUT
- Approval decision and open actions
Send one checkable matching or RFQ request.
Carry the model, measurements, conductor, application and unresolved evidence into follow-up.
- INPUT
- Shortlist + requirements + quantity
- OUTPUT
- Structured email or WhatsApp request
KEEP THE HANDOFF TRACEABLEUse the PDF for sample findings and Excel for the commercial RFQ.
Download sample checklist ↗Download RFQ Excel ↗QUICK PRODUCT FINDER
Not sure which series fits?
Send a reference part number, drawing, photo or these five parameters. We will structure the requirement before discussing price.
01Connection method
02Pitch & positions
03Wire range
04Current & voltage
05Mounting direction
APPLICATIONS
Connections selected for
the equipment around them.
Share the equipment, PCB layout and operating requirements so the product shortlist reflects the real application.
↗
Power & Energy
Power supply, distribution and energy equipment wiring.
Building Controls
HVAC, access control, lighting and smart building systems.
Elevator & Transport
Compact, serviceable connections for demanding equipment.
Security & IoT
Signal and low-voltage PCB connection for connected devices.
Custom OEM Projects
Color, marking, housing and application-led configuration.
FROM STANDARD PARTSTO A FIT-FOR-PURPOSE CONNECTION
CUSTOM & MATCHING SUPPORT
One requirement.
A more useful shortlist.
We organize technical details before quotation so that sourcing, engineering and production teams are discussing the same connection.
- 01 Cross-reference support for existing models
- 02 Color, marking and packaging requirements
- 03 Housing, pin and mounting configuration review
- 04 Sample and document checklist before approval
DOCUMENTS & COMPLIANCE SUPPORT
Documents prepared around the confirmed model.
Technical drawings, inspection records, material information and requested compliance documents are organized against the final model and order requirements.
01Technical drawings & dimensions
02Inspection & material records
03Requested compliance documents
04Packing & shipment files
DOCUMENT STATUSAvailability confirmed per model before sample approval.
WHY YIHENTRA
A sourcing conversation
that starts with the drawing.
Terminal blocks look simple until pitch, conductor size, mounting, approvals and mating compatibility have to work together. Our role is to make that selection process clearer for overseas OEM buyers.
Clear inputStructured RFQ checklist
Clear matchFamily and specification comparison
Clear handoffSamples, documents and order details
Clear follow-upExport-oriented communication
START YOUR RFQ
Tell us what
needs to connect.
A drawing, reference model or five basic parameters is enough to start.
Chat on WhatsApp+86 139 4910 6624↗Email our sales deskalice.industrialtrade@gmail.com↗