Fast wiring
DIN rail terminal blocks
DIN Rail Terminal Blocks for Reliable Control Cabinet Wiring
Choose from push-in spring, spring-cage, screw, bolt, power distribution, and high-current branch terminal blocks for control cabinets and industrial electrical systems.
Connection options
Multiple connection technologies for different wiring requirements
Terminal strip design
Complete accessories for bridging, marking, testing, and layout
Wiring range
0.2-240 mm² range across signal to high-current applications
Product range
Choose the right DIN rail terminal block.
Compare connection type, application fit, and next action before sending a requirement or sample request.
Stable contact
Spring-cage Terminal
Traditional fit
Screw Terminal
Power wiring
Bolt Connection
Distribution
Push-in Power Distribution Block
High current
High Current Branch Terminal
Speed up cabinet wiring without hiding the product.
Push-in connection helps simplify wiring and improve installation efficiency for control cabinet workflows.
Match the connection type to long-term contact needs.
Spring-cage and screw technologies support reliable long-term electrical contact in industrial electrical systems.
Build terminal strips that are easier to identify and maintain.
A complete accessory system supports bridging, marking, testing, and terminal strip layout.
Move from signal wiring to branch distribution.
Branch terminals and bolt connection options are available for higher-current distribution needs.
Selection guide
Not sure which model fits your project?
Send us your wiring diagram, PCB layout, BOM, or project requirements. SUPU engineers can help recommend suitable terminal blocks, connectors, or switches for your application.
Why SUPU
Industrial connection support behind the product range.
Support for product selection, sample requests, and technical requirements across industrial connection applications.
Founded in 1999
Long-running industrial electrical connection experience for B2B customers.
Two production bases
Manufacturing capability to support standard products and project requirements.
R&D, production, sales and service integration
Selection support and technical communication can be connected to quote workflows.
Quality systems and selection guides available
Use product guides, samples, and technical data to reduce selection uncertainty.
Application scenarios
Built for real industrial wiring contexts.
Each application ties back to wiring, reliability, space, current, or installation efficiency rather than abstract brand language.
Smart Buildings
Scenario Overview
Terminal strips and connection products support organized building electrical control, distribution, and maintenance workflows.
Industry Automation
Scenario Overview
Connection options for equipment wiring and field installation where assembly speed and reliable contact both matter.
Power Industry
Scenario Overview
Branch terminal and distribution block paths support higher-current needs across compact power distribution layouts.
Rail Transportation
Scenario Overview
Structured wiring support for demanding system environments where stability, marking, and maintenance access are critical.
New Energy
Scenario Overview
Terminal selection support for evolving energy equipment projects with varied wiring ranges and distribution needs.
Downloads & technical resources
Download product selection guides.
Use selection material when you are comparing connection technologies, accessories, and wiring ranges before sending a quote request.
- Rail-mounted Terminal Selection Guide
- Product catalogue and datasheet request path
- Sample request or recommendation follow-up
Send Your Wiring Requirements
Upload a wiring diagram, BOM, or product list so the team can recommend a suitable terminal block series.
FAQ
Answers before the quote request.
Concise Q&A helps reduce friction for sample, recommendation, and selection-guide requests.
Yes. Submit your product requirements and sample request for evaluation. Sample availability depends on product type and project details.
Yes. Send your wiring requirement, BOM, product list, or application details for product recommendation.
Push-in spring terminals, spring-cage terminals, screw terminals, bolt connection terminals, push-in power distribution blocks, and high-current branch terminals.
You can request the Rail-mounted Terminal Selection Guide through the resource CTA. It can be offered as a direct download or a lightweight gated request.
Connection type, wiring range, quantity, target application, drawing, BOM, or replacement model can help the sales and engineering team respond faster.
Final CTA
Need help selecting DIN rail terminal blocks?
Tell us your product category, technical requirements, and target application. SUPU will help you find the right terminal block solution.