DIN rail terminal blocks

DIN Rail Terminal Blocks for Diverse Industrial Applications

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 optionsPush-in spring, spring-cage, screw, bolt, and distribution technologies
Terminal strip designComplete accessories for bridging, marking, testing, and layout
Wiring range0.2-240 mm² across signal to high-current applications
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ISO 14001 certification logo
ISO 45001 certification logo
UL certification logo
CE conformity logo
TÜV Rheinland logo
DNV logo

Globally Certified for Industrial Reliability

SUPU R&D Strength

Independent Innovation

160+Engineers
100+Patents
8+Dev Software & Platform
6%+R&D Investment
Product range

Choose the right DIN rail terminal block.

Compare connection technology, wiring range, current capacity, certification, and next action before sending a drawing, BOM, or sample request.

SUPU push-in spring terminal product family
Fast wiring

Push-in Spring Terminal

Best for: fast, tool-free cabinet wiring with rigid or ferruled conductors Key feature: conductors insert directly into the inlet for a simple, fast connection
Available range: 0.2-240 mm² · 12-1000 V · 0.5-415 A Multiple feed-through, ground, multi-level, test, and distribution variants
SUPU spring-cage terminal product family
Stable contact

Spring-cage Terminal

Best for: long-term electrical contact in vibration-prone control equipment Key feature: high compression force, shock resistance, and compact top entry
Available range: 0.2-240 mm² · 12-1000 V · 0.5-415 A Universal spring-cage wiring technology with multiple terminal configurations
SUPU screw terminal product family
Familiar maintenance

Screw Terminal

Best for: flexible industrial wiring with maintenance-free and multi-wire connections Key feature: TU screw technology supports strict requirements across varied applications
Available range: 0.2-240 mm² · 12-1000 V · 0.5-415 A Broad product family for feed-through, ground, multi-level, and test functions
SUPU bolt connection terminal product family
Secure power wiring

Bolt Connection

Best for: high-current conductors terminated with crimped cable lugs Key feature: threaded-pin fastening provides secure, reliable electrical contact
Available range: 2.5-150 mm² · 1000 V · 125-309 A Side-entry terminal block configurations for demanding power paths
SUPU push-in power distribution block product family
Structured distribution

Push-in Power Distribution Block

Best for: structured potential distribution inside compact control cabinets Key feature: push-in wiring with selectable 2, 6, 12, or 18-position channels
Available range: 0.2-10 mm² · 450-500 V · 17.5-57 A Input-hole and output-only variants with 4.2, 5.2, and 6.2 mm pitch
SUPU high current branch terminal product family
High-current branches

High Current Branch Terminal

Best for: one-input, multi-output power branching with varied cable counts Key feature: high-strength copper alloy clamping frame improves conductivity
Available ratings: 690 V · 80-400 A Multiple branch layouts for efficient high-current distribution
Need help choosing? Send your specs Send Your Requirements
How to choose

Not sure which model fits your project?

Send us your wiring diagram, BOM, or project requirements. SUPU engineers will help recommend the right solution.

Why SUPU

Industrial connection support behind the product range.

Manufacturing, engineering, and selection support for control cabinet and industrial electrical connection projects.

Two production bases

Manufacturing capability for standard DIN rail terminal products and project-specific requirements.

Products exported worldwide

Global application support for panel builders, equipment manufacturers, and industrial system integrators.

160+ R&D engineers

Selection support and technical communication connected to drawings, BOMs, replacement models, and quote workflows.

Application scenarios

Built for real industrial wiring contexts.

Each application connects wiring speed, contact reliability, cabinet space, current capacity, and maintenance efficiency to a suitable terminal family.

Smart buildings control cabinet application

Smart Buildings

Scenario Overview

Dense building-control cabinets leave limited installation space, while conventional screw wiring slows commissioning. SUPU push-in terminals can improve wiring efficiency by 40%, and spring contact helps resist loosening under vibration.

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Industrial automation control cabinet application

Industry Automation

Scenario Overview

Unexpected downtime is costly in automated production. SUPU spring-cage terminals support stable long-term contact and help reduce failures caused by loose field wiring.

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Power distribution cabinet application

Power Industry

Scenario Overview

High-current branch distribution needs clear conductor routing and secure contact. SUPU bolt and high-current branch terminals support conductor sizes up to 240 mm² and IEC 60947-7-1 oriented applications.

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Rail transportation wiring application

Rail Transportation

Scenario Overview

Rail systems face vibration and short maintenance windows. Spring connection, marking accessories, and terminal-strip organization support vibration-resistant contact and faster maintenance.

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New energy equipment wiring application

New Energy

Scenario Overview

Energy-storage and new-energy equipment require compact control wiring plus demanding power paths. SUPU terminal solutions cover signal wiring through high-current distribution with a complete certification path.

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Scenario Overview

High-current branch distribution needs clear conductor routing and secure contact. SUPU bolt and high-current branch terminals support conductor sizes up to 240 mm² and IEC 60947-7-1 oriented applications.

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Downloads & technical resources

Download DIN rail terminal selection guides.

Compare connection technology, wiring range, rated current, accessories, and certification before sending a requirement.

  • DIN Rail Terminal Selection Guide
  • Product catalogue and datasheet request path
  • Drawing / BOM review and cross-reference support
Get Selection Guide

Send Your Wiring Requirements

Upload a wiring diagram, BOM, or product list so the team can recommend a suitable terminal series.

FAQ

Frequently Asked Questions

MOQ, lead time, customization, replacement selection, and certification information for high-intent DIN rail terminal buyers.

Standard products: MOQ 100 pieces. Custom products: MOQ depends on specifications, typically 500-1000 pieces.

Samples: 3-5 business days. Standard bulk orders: 2-4 weeks. Custom products: 4-8 weeks depending on complexity.

Yes. SUPU has 160+ R&D engineers and in-house mold making capability. Send your specifications for a free feasibility assessment.

Yes. Send us the competitor model number (Phoenix Contact, Weidmüller, WAGO, etc.) and our engineers will provide a cross-reference recommendation within 24 hours.

UL, CE, TÜV, VDE, CQC, CCC, ISO9001, IATF16949, and IRIS. Full certification documents are available upon request.

Final CTA

Need help selecting DIN rail terminal blocks?

Tell us your wiring range, connection technology, current requirement, cabinet layout, and target application. SUPU will help you find the right terminal direction.

SUPU PCB terminal blocks and connectors
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