Custom Feed Through Terminal Block Manufacturer in China
A Feed Through Terminal Block is a high-performance connector used for passing wiring through control cabinets, electrical enclosures, and telecom signal boxes. It provides secure, continuous wiring paths, eliminating the need for messy splices or jumpers. We at Linkwellelectrics manufacture these blocks with UL and CE certifications, offer factory-direct pricing, quick lead times, and OEM/ODM services. Our blocks handle high current and multiple conductors safely, reducing installation time and improving reliability. Wholesalers and system integrators benefit from easy stocking, consistent build quality, and minimized electrician error. Contact us today to request bulk pricing, certifications, or sample evaluations.
Linkwell Electrics - Your Trusted Feed Through Terminal Block Manufacturer from China
UL and CE certified for safety and global acceptance.
High current capacity up to 125A in compact design.
Robust feed-through bridge for continuous multi-conductor routing.
Flame‑retardant polyamide housing resists heat and impact.
We deliver certified quality, competitive pricing, and reliable delivery for Feed Through Terminal Blocks. Our quality control ensures consistent performance, and our factory-direct model reduces margin layers.
With global shipping, flexible MOQ, and fast fulfillment, we help partners meet tight project schedules. We also provide technical documentation, branded labeling, and engineering support—all aimed at helping you win bids and maintain strong client relationships.
By partnering with Linkwellelectrics, you gain a dependable supply of robust terminal blocks that enhance your catalog and improve customer trust. Contact us now for samples or volume quotes.
Global Partnership
Various Feed Through Terminal Block Series
As a trusted Feed Through Terminal Block supplier, we support distributors with full logistics, technical documentation, and private-label branding.
Our services include selectable current ratings, packaging optimization, and regulatory certificates like RoHS/REACH. We work with procurement teams to forecast demand, manage stock buffers, and streamline reorder processes.
Our engineering team advises on proper installation, torque settings, and layout optimization, helping end users avoid troubleshooting. With fast global shipping, flexible MOQ, and consistent stock levels, we ensure reliable supply to keep projects running smoothly.
Choose us for streamlined supply, product compliance, and hassle-free order control—let’s discuss how we can support your product catalog and end-market requirements.
Single-Level Feed Through Terminal Block
A Single‑Level Feed Through Terminal Block offers a straightforward way to pass wiring through control cabinets, electrical enclosures, and telecom signal panels. Each terminal connects one incoming and one outgoing conductor. This simple structure reduces wiring complexity and improves clarity for maintenance and testing. Wholesalers benefit by offering a dependable product that speeds up installation and lowers errors. We at Linkwellelectrics produce these blocks with flame‑retardant PA housing and precise screw or push‑in clamps. Our consistent quality, UL/CE certification, and fast lead times make it perfect for bulk supply. Contact us today to inquire about pricing, specification sheets, or sample evaluation.
Double-Level (Multi-Level) Terminal Block
Double‑Level or Multi‑Level Feed Through Terminal Blocks combine two or more connection tiers into one compact module. This multi-tier design saves panel space while handling several circuits in the same width. It’s ideal for high-density installations in control panels or telecom racks. Buyers appreciate the tidy layout and fewer components needed. At Linkwellelectrics, our multi-level blocks come with spring or screw connections, bridging options, and configurable labels. This improves project scalability and reduces installation time. We offer OEM customization, bulk logistics, and quick delivery. Reach out to explore how multi-level models can streamline your stock and boost margins.
Ground Terminal Block (PE Terminal)
A Ground Terminal Block (PE Terminal) provides safe and reliable grounding for control cabinets, electrical enclosures, and telecom signal boxes. Typically identified by green‑yellow polymer housing, it connects chassis, DIN rail, or grounding leads to equipment earth. This block enhances safety, reduces EMI, and meets protection standards. Wholesalers can offer this essential terminal for installations requiring certified earthing. We at Linkwellelectrics manufacture PE terminals with UL and RoHS compliance, global approvals, and high-clamp reliability—even under vibration. With competitive pricing, flexible MOQ, and OEM branding, our grounding blocks support your clients’ safety needs. Contact us to request datasheets and pricing.
Fuse Terminal Block
A Fuse Terminal Block integrates a fuse within the terminal assembly to protect downstream circuits. Common in telecom, HVAC, and automation control cabinets, these blocks protect wires and components while enabling easy fuse replacement. This modular design improves system safety and maintenance efficiency. Wholesalers value offering fuse blocks, as they reduce total component count and support safety features. We at Linkwellelectrics design these blocks with clear fuse holders, testing ports, and screw or push‑in clamping. Our products meet UL 1059 and CE safety standards, and we offer OEM packaging and bulk fulfillment. Reach out to discuss order quantities or custom marking.
Disconnect Terminal Block
A Disconnect Terminal Block, often called a knife‑disconnect block, allows users to isolate circuits via a lever or switch without removing wires. Ideal for control panel servicing or automated system testing, it increases safety and convenience. This feature suits industrial control cabinets and telecom signal enclosures where maintenance access is critical. Distributors benefit from offering technician-friendly components. We at Linkwellelectrics offer disconnect blocks with spring or screw clamps, standardized DIN-rail fit, and optional indicator flags. These are CE/UL certified and available in bulk. Contact us to learn about OEM/ODM options and product samples.
Feed Through Terminal Block Key Parts
Internal Conductor
Material Composition: Copper alloy with tin/nickel plating
Electrical Performance: Low contact resistance (<5mΩ) for stable current transmission
Environmental Resistance:
Oxidation resistance: >1000hrs salt spray test
Thermal cycling: Stable across -40°C to +105°C
Connection Compatibility:
Accepts solid wires (0.2-10mm²)
Stranded wires (with/without ferrules)
Meets IEC 60947-7-1 standards
Housing
Material Properties:
UL94 V-0 rated PA66
Comparative Tracking Index (CTI) >400V
Safety Features:
600V basic insulation
Glow-wire test compliant (750°C)
Mechanical Strength:
IK08 impact resistance
85°C continuous operating temperature
Mounting Options:
DIN rail (EN 60715 compliant)
Direct panel mount (M4 screw fastening)
Clamping Mechanism
Connection Types:
Screw clamp: 0.5-4Nm torque range
Spring clamp: 0.6-2.5mm² tool-free insertion
Vibration Performance:
Maintains connection under 5-2000Hz vibration
1000+ mating cycles durability
Installation Features:
Color-coded operation levers
Integrated test point access
Mounting Interface
DIN Rail Compatibility:
NS35/7.5 (EN 60715)
NS35/15 (heavy-duty)
Mechanical Security:
Snap-lock retention force >50N
Zinc-plated steel base material
Installation Efficiency:
Tool-less rail mounting
Group mounting capability
Busbar Integration
Labeling Options:
Slide-in markers (4.8mm width)
Adhesive label area (10x5mm)
Legibility Assurance:
UV-resistant printing surface
Chemical-resistant material
Maintenance Benefits:
Color-coded phase identification
Sequential numbering guides
Circuit Board
Current Distribution:
Vertical jumpers (up to 32A)
Busbar slots for parallel circuits
Connection Integrity:
Tin-plated copper bridges
<1mV voltage drop at rated current
System Integration:
Plug-in bridge compatibility
Standardized accessory interface
Application of Feed Through Terminal Block in Different Industries
Industrial Automation
Telecom Infrastructure
Renewable Energy Systems
Customize Your Feed Through Terminal Block
Performance & Reliability
Stable multi-wire throughput reduces connection failures in dense panels.
Supports high current and maintains insulation integrity under load.
Tested under vibration and thermal stress for industrial resilience.
Certification & Safety
Fully certified to UL 1059 and CE for global installations.
Flame‑retardant housing rated UL94 V‑0 ensures fire safety.
RoHS/REACH compliance ensures safe materials used in manufacturing.
Integration & Installation
Compact DIN rail or panel-mounted format simplifies use.
Tool‑friendly terminals reduce electrician errors during wiring.
Uniform layout supports fast multi-circuit deployment.
Commercial & Supply Benefits
Bulk pricing, low MOQ, and flexible packaging boost margins.
OEM labeling aligns with reseller branding.
Reliable stock levels reduce downtime and demand risk.
What is Feed Through Terminal Block? How Does It Work?
A Feed Through Terminal Block is a modular connector that passes electrical conductors through control cabinet panels or enclosures cleanly and safely. It features two clamping points opposite each other: one for incoming wire, one for outgoing wire. These internal conductors connect wires without requiring splices or inline jumpers, ensuring continuity and clarity in wiring systems.
How Does It Work?
Mounting: The block attaches to a DIN rail or panel plate.
Wiring Input: You insert incoming wire into one side, strip insulation as recommended.
Wiring Output: Connect the outgoing wire into the opposite side.
Clamping: Use screw or push‑in clamp to secure both conductors onto the internal metallic channel.
Bridging (optional): Use removable vertical bridges to distribute potential across multiple blocks.
The internal conductor transmits current directly between input and output wires. Some models include test ports or fuse integration for added functionality. Screw clamps provide adjustable torque; push‑in clamps enable tool-free installation. Multi-level versions double or triple circuit density within the same terminal footprint. Ground (PE) variants attach to panel metal for safety earthing.
These blocks support easy modifications—rewiring is simple: loosen clamp, swap wire, retighten. That supports maintenance and future configuration. Feed‑through blocks offer cleaner layouts than wire nuts or solder joints, improving diagnostic access and reducing risk of loose connections or arc faults. Their compact, modular format maximizes DIN-rail space in cabinets and improves installation speed. Overall, they deliver reliability, serviceability, and compliance in industrial and telecom environments.
| Step | Task | Tool Needed | Benefit |
|---|---|---|---|
| 1 | Mount block on DIN rail | Snap or screwdriver | Quick, secure positioning |
| 2 | Insert input and output wires | None or screwdriver | Clean, straight-through wiring |
| 3 | Secure clamps | Screwdriver or push-in | Reliable connection |
| 4 | Add bridging if needed | None | Easy potential distribution |
| 5 | Test or label circuits | Test probe/marker | Safe verification and traceability |
What are the Benefits of Feed Through Terminal Block?
Customer Testimonials
FAQ of Feed Through Terminal Block
What materials are used in Feed Through Terminal Blocks?
Our blocks use flame‑retardant polyamide housing and tin‑plated copper alloy contacts. These materials resist heat, corrosion, and mechanical wear. You get stable electrical performance and long service life, even in high humidity or vibration zones.
Can they handle high current ratings?
Yes, our Feed Through Terminal Blocks support currents from 10A to 125A depending on model. Higher-rated versions use larger conductors. Proper sizing is critical to avoid overheating. We provide datasheets and torque guidance to ensure safe wiring and compliance.
Are these terminals safe in telecom environments?
They meet UL and CE safety standards, use flame‑retardant materials, and withstand electromagnetic interference. These features make them reliable for signal cabinets, control rooms, data centers, and telecom base station environments.
How do I install or mount them correctly?
Mount via DIN rail or panel screws, depending on model. Ensure panel holes align properly. Strip wire ends to the recommended length, insert conductors firmly, and tighten screws to specified torque. Always power off during wiring to avoid safety risks.
Can I rewire or reuse these blocks?
Yes. Feed Through Terminal Blocks support reuse: wires can be changed by loosening and re-tightening screws. This design helps reduce waste and simplifies maintenance during panel upgrades or refurbishments.
What is the expected lifespan of these terminals?
Designed for industrial use, they last over 10 years under normal conditions. The metal contacts resist corrosion and mechanical wear. The polyamide housing stays stable under heat and electrical load for years.
What is your MOQ and volume pricing?
MOQ is flexible—starting from a few hundred units for standard models. Volume discounts apply based on order size. Custom models may require MOQ negotiation.
All-in-one Feed Through Terminal Block Solutions for Your Project
Choosing high-quality Feed Through Terminal Blocks ensures clean wiring, safer installations, and better repeat service. We at Linkwellelectrics design and manufacture terminal blocks with global approvals (UL, CE, RoHS), backed by factory-grade QA and flexible OEM/ODM. Our consistent build quality and modular designs reduce installation errors and make panel layouts professional.
We support distributors with private labeling, custom parts, and fast global shipping. You gain supply-chain reliability, price predictability, and enhanced customer satisfaction. Whether planning large projects or stocking spares, our team delivers technical guidance, datasheets, and sample support. Reach out today to explore custom options that fit your catalogue and boost sales.
