Custom Spring Clamp Terminal Block Manufacturer in China
Spring Clamp Terminal Block Overview Spring Clamp Terminal Blocks are known for their tool-free, quick-connect mechanism, making wiring faster and safer.
Widely used in control cabinets, electrical enclosures, and telecom signal boxes. These blocks are vibration-resistant and maintain consistent contact pressure, which reduces maintenance needs.
We at Linkwellelectrics manufacture Spring Clamp Terminal Blocks with certified quality, bulk ordering options, and customizable features. As a professional supplier, we help distributors grow their offerings with products that are easy to install and built to last. Reach out today for customized samples and fast delivery.

Linkwell Electrics - Your Trusted Spring Clamp Terminal Block Manufacturer from China
UL and CE Certified – ensures safety and global compliance
Tool-Free Installation – speeds up wiring jobs significantly
Anti-Vibration Design – keeps connections stable in harsh environments
Corrosion-Resistant Materials – increases product lifespan and safety
Why Choose Us for Spring Clamp Terminal Blocks Choose Linkwellelectrics for consistent quality, fast shipping, and scalable production. We deliver OEM-grade products with real-time support and flexible order terms—ideal for growing your business.
Global Partnership






Various Spring Clamp Terminal Block Series
Our Role as Spring Clamp Terminal Block Supplier Beyond product supply, we offer a full range of support as your Spring Clamp Terminal Block provider. We assist with bulk logistics, OEM customization, technical documentation, and after-sales service.
Our support includes product matching for control systems, layout optimization for panel space, and compliance consulting. For wholesalers and integrators, working with us means reduced lead time and improved supply consistency.
We understand your market challenges and deliver efficient, reliable solutions tailored to your application needs.

Spring clamp terminal block with cage clamp (with and without eccentric lever)
Spring clamp terminal block type offers tool-free, fast wiring for tight cabinet spaces. The cage clamp mechanism securely holds solid or stranded wires without damage. Eccentric levers add ergonomic ease, ideal for control panels and telecom signal enclosures. Perfect for high-vibration settings like base stations, they reduce maintenance needs and increase reliability. For wholesalers, this model boosts product diversity and suits clients needing rapid, safe wiring. Its modular build helps scale complex installations. Combine performance and ease of use to deliver long-term value to your customers in energy or industrial automation fields.

Spring clamp terminal block with leaf spring
Leaf spring terminal blocks ensure uniform contact pressure and are excellent for fine-stranded conductors. Their spring design minimizes loosening risks in applications exposed to mechanical stress. Commonly used in electrical and telecom cabinets, they enhance current flow stability. The compact form factor suits tight layouts, helping OEMs and wholesalers offer high-density, space-saving solutions. For end-users, the consistent clamping force ensures secure, vibration-resistant connections. Distributors can meet demand from automation, HVAC, and signal-control clients. We manufacture high-precision versions that meet international standards—get in touch to request datasheets or bulk supply plans.

Push-in Spring Clamp
Push-in spring clamp terminal blocks provide the fastest wiring—just push the wire in. No tools, no twisting. They’re perfect for repetitive installations in smart building controls, industrial cabinets, or base station panels. These blocks save labor costs and reduce wiring time by over 50%, making them a favorite among integrators. Built with corrosion-resistant materials, they ensure stable current transfer. Distributors benefit from offering a plug-and-play product with wide market appeal. Need OEM customization or project-based pricing? Reach out today—we at Linkwellelectrics are ready to support your business with high-quality, factory-direct spring terminal solutions.

Feed-Through Spring Clamp
Feed-through spring clamps provide reliable two-wire pass-through connections, ideal for distribution tasks in telecom enclosures and control cabinets. These terminal blocks reduce space requirements while enabling neat, parallel wire routing. They’re widely used in power distribution systems that demand consistent signal quality and compact layout. For wholesalers and panel builders, they simplify inventory and fit into modular systems with DIN rail compatibility. As manufacturers, we help partners increase margins by offering performance-proven, UL-certified products in bulk or customized formats. Fast shipment, global certifications, and technical support ensure long-term reliability and customer satisfaction.
Spring Clamp Terminal Block Key Parts
Customization Benefits of Spring Clamp Terminal Block We specialize in custom Spring Clamp Terminal Block production to match exact voltage, current, and mounting needs.
Options include housing color, marking, pin layout, and packaging style. This not only saves time during installation but also aligns with your local market standards.
Our pricing is competitive, and we guarantee quality consistency through ISO-certified manufacturing.
Whether you’re supplying base station gear or automation systems, our custom solutions support quicker project turnaround and long-term business growth.

Housing Types
Polyamide, UL94 V-0 flame-retardant insulation bodies
Performance: Excellent electrical insulation and shock resistance
Durability: Heat and impact-resistant, even under long-term load
Integration: Designed for seamless DIN rail installations

Spring Mechanism Types
Cage clamp, leaf spring, push-in
Performance: Strong, even clamping pressure for any wire size
Durability: Maintains tension even after multiple insertions
Integration: Works with solid and stranded wires easily

Contact Metal Types
Copper alloy, tin-plated or nickel-plated contacts
Performance: High conductivity, corrosion and oxidation resistant
Durability: Long-term stable connections under tough conditions
Integration: Ensures consistent voltage transmission and low loss

Lever or Push Button Types
Manual lever or press-button types
Performance: Enables quick wire removal or test access
Durability: Engineered for thousands of operating cycles
Integration: Tool-free connection/disconnection in seconds

Mounting Base Types
Snap-on DIN rail or panel-mounted
Performance: Anti-slip grip with vibration tolerance
Durability: Certified for harsh industrial environments
Integration: Universal compatibility with EN standard rails

Labeling Area Types
Pre-printed or custom identification slots
Performance: Improves visual inspection and reduces error
Durability: Marking holds up under heat and oil exposure
Integration: Simplifies maintenance and panel documentation
Application of Spring Clamp Terminal Block in Different Industries
Industrial Automation
Telecommunications
Renewable Energy
Customize Your Spring Clamp Terminal Block
Analysis Performance
Our spring clamps deliver strong, consistent pressure even under load
Supports high-frequency operation in telecom and industrial systems
Maintains integrity during temperature fluctuations or moisture exposure
Cost & Availability
Bulk pricing options for distributors and OEMs
Localized inventory planning for quick response times
Reduces labor costs through fast, tool-free installation
Product Design
Color-coded housing options for easy identification
Multiple mounting types support varied panel layouts
High-conductivity metals reduce energy loss and heating
Compliance & Support
Backed by UL, CE, and RoHS certifications
Comprehensive documentation for international markets
Dedicated pre-sales and after-sales technical guidance
What is Spring Clamp Terminal Block? How Does It Work?
A Spring Clamp Terminal Block is an electrical connector that uses spring force instead of screws to hold wires. These are widely used in electrical cabinets, control panels, telecom signal enclosures, and renewable energy installations.
How Does It Work?
Prepare the wire: Strip insulation to expose the conductor.
Open the spring clamp: Use a lever or insert tool to open the clamp.
Insert the wire: Place the wire into the terminal opening.
Release the spring: The clamp automatically locks onto the wire.
The clamp applies consistent pressure to the conductor, ensuring a stable connection even in high-vibration environments. No screws or tightening are needed, which saves time and reduces human error. Many models also support direct push-in wiring for solid conductors, eliminating the need for tools. Spring clamps are especially useful in projects where frequent re-wiring or vibration is expected, offering excellent flexibility and reliability for manufacturers and panel builders.
Step | Action | Tool Needed | Benefit |
---|---|---|---|
1 | Strip the wire | Wire stripper | Clean exposure, avoids loose ends |
2 | Open spring clamp | Lever or finger | No tools needed for access |
3 | Insert the wire | None | Fast, easy wire setup |
4 | Release clamp | None | Lock in place without adjustment |
What are the Benefits of Spring Clamp Terminal Block?
Vibration Resistant: Spring force maintains wire grip—no loosening over time.
Faster Installation: Push-in or lever-based connection reduces labor and tool use.
Maintenance-Free: No screw re-tightening needed after installation.
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FAQ of Spring Clamp Terminal Block
What is a Spring Clamp Terminal Block?
A Spring Clamp Terminal Block uses a spring mechanism to hold wires in place. No tools are needed. Just push the wire in, and the spring holds it tight. It’s ideal for tight spaces and frequent wiring changes.
How does a Spring Clamp differ from a Screw Terminal?
Spring Clamps use pressure from a metal spring. Screw Terminals use a screw to press the wire. Spring Clamps are faster and more resistant to vibration, while Screw Terminals may be better for thicker wires.
Of course, both have the terminal block with cover ,fused terminal stripstyle, but there are still differences in use.
Are Spring Clamp Terminals safe for industrial use?
Yes. Our terminals are certified by UL and CE. They’re made from fire-resistant materials and withstand high currents, temperature changes, and vibration. Perfect for control panels and base stations.
Can I use Spring Clamp Terminals for stranded wire?
They’re great for stranded wire. The spring design grips flexible wires tightly, making it perfect for machines, telecom panels, and control units.
What sizes do your Spring Clamp Terminals support?
We support 0.2mm² to 25mm² wires. If you need larger, we can custom-design them. Contact us at Linkwellelectrics to discuss your needs.
Are these suitable for high-vibration environments?
Yes. The spring clamp design resists loosening from vibrations. They’re ideal for transportation equipment, heavy machinery, and base station setups.
All-in-one Spring Clamp Terminal Block Solutions for Your Project
We recommend Spring Clamp Terminal Blocks for fast, tool-free wiring with strong, secure connections. We at Linkwellelectrics manufacture and supply these blocks with a full range of certifications and customization options. Our solutions save time during installation, prevent loose wiring, and ensure long-lasting stability. As a factory, we offer large-volume pricing, private labeling, and technical support. Contact us today for samples or a tailored quote—we help your business scale reliably and competitively.