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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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The FILN premium quick-wire-connectors series (Model: D2-2) provides an innovative, heavy-duty engineering solution designed for instantaneous electrical connections. As a globally trusted manufacturer, FILN has developed this universal 2pin-inline-wire-connector system to completely eliminate traditional manual soldering or individual terminal crimping, drastically cutting installation cycles. This transparent d2-2-terminal-block features a highly practical 2-in-2-out layout, making it exceptionally compatible with 2PIN lead-wire indicator lights or pre-wired 2PIN push button controls. Fully verified under ISO9001, CE, VDE, RoHS, SGS, UL, and IP65 guidelines, this robust transparent-splice-wire-connectors assembly provides airtight electrical continuity across demanding commercial networks. B2B operators can rely on this heavy-duty lever-nut-wire-connectors housing to maximize plant field-maintenance safety, streamline assembly line throughput, and achieve perfect connectivity across various automated infrastructure setups.
| Specification Parameter | Technical Data Details |
|---|---|
| Product Model | D2-2 Series |
| Connector Type | Universal Quick Wire Connectors (2 In 2 Out) |
| Housing Optical Style | Transparent Flame Retardant Engineering Plastic |
| Compatible Wiring Scope | 2PIN Lead-Wire Indicators / 2PIN Pre-wired Button Switches |
| Connection Mechanism | Toolless Lever-Clamp Press Tightening |
| Terminal Configuration | Solderless Quick-Disconnect Splice Junction |

Why top-tier industrial engineers rely on the FILN universal splicing terminal block:
Boasting robust structural ratings of IP65 & IK08, this setup outperforms conventional open-air terminals that lack protection against vibration, dust, or accidental contact. The transparent-splice-wire-connectors housing allows for immediate visual inspection of internal wire seating without opening the mechanism. It safely resists environmental stress in industrial control rooms, outdoor signal housings, and harsh production zones, ensuring a 500,000 mechanical life rating to maximize system uptime.
While standard micro-connectors are limited to low currents, this model confidently sustains a 5A 250V AC/DC load. This lets systems power multi-axis pilot arrays and heavy-duty indicators directly, simplifying electrical layouts. It features an integrated 1800V dielectric insulation barrier, offering superior protection against high voltage spikes compared to typical consumer-grade splice blocks.
Engineered with a high-transparency PC polymer outer frame and self-extinguishing PA66 lever arms. This premium material selection provides exceptional impact protection and high thermal resistance, perfect for heavy machinery control panels. Inside, premium tin-plated copper alloy conduction bars keep initial contact resistance remarkably low (< 50mΩ), preventing overheating or arc failures under continuous loads.
The crystal-clear casing layout gives technicians a clear view of insulation strip lengths and copper wire contact positioning. Operating smoothly over a wide 3V to 220V power framework, this push-in-latching-terminal design eliminates tedious hand-soldering. Field operators simply open the lever arm, slide the stripped conductor into the wire channel, and snap the lever down to secure the connection, minimizing wire preparation errors.
The D2-2 splicing block balances a compact physical footprint with an insulated 5A load rating. This space-saving profile makes it an ideal choice for crowded terminal boxes, shallow pilot control faceplates, and localized electronics housings where standard terminal strips would be too bulky.
Follow these step-by-step instructions to install your D2-2 universal wire terminal splicing block onto external indicators or device switch lines:

Looking for the Perfect Premium Companion Indicator Lights?
Explore our full factory collections of heavy-duty indicators that match seamlessly with these toolless quick wire connectors.
As a major global original manufacturer of industrial controls, FILN provides flexible customization and wholesale benefits directly to international OEMs, engineering design firms, and bulk system integrators:
FILN Official Website: www.filn.com
Direct B2B Sales Inbox: inquiry@cnylin.com.cn

Q1: What is the main design feature of the FILN D2-2 connector model?
A: The D2-2 is a universal inline splicing block featuring a 2-in-2-out configuration. This layout is ideal for wiring 2PIN pilot lights, indicator arrays, or pre-wired switches.
Q2: Does this inline connector require specialized tooling or crimpers to lock wires?
A: No, it is entirely toolless. You simply open the orange lever arm, insert the stripped copper lead, and press the lever down to create a secure connection.
Q3: What material is used for the clear outer shell of the connector?
A: The transparent outer shell is molded from premium polycarbonate (PC plastic), which offers excellent structural strength, impact resistance, and clear visibility for inspections.
Q4: What are the main benefits of using these toolless connectors over traditional soldering?
A: They cut wire installation times, make component replacements fast and easy, and eliminate the need for dangerous soldering irons or bulky crimping tools on production lines.
Q5: What is the maximum electrical current rating that the D2-2 housing can handle?
A: The D2-2 safely carries a maximum current load of 5A under both AC and DC conditions, making it an excellent match for various industrial signal configurations.
Q6: Can these splicing connectors handle high-voltage operations within control cabinets?
A: Yes, they are rated for voltages up to 250V AC/DC and feature a built-in 1800V dielectric insulation barrier to protect against unexpected voltage surges.
Q7: What type of internal contact metal is used to maintain electrical flow?
A: The internal bus bars are made from high-conductivity H62 copper alloy, combined with stainless steel spring clips to maintain continuous, strong clamping force on wires.
Q8: Is it possible to use these connectors with wire leads of different gauges?
A: Yes, the independent lever arms clamp solid or stranded wires securely, making it easy to splice different wire styles within the same terminal block.
Q9: Are the lever clamp handles rated for fire safety?
A: Yes, the lever handles are molded from PA66 nylon reinforced with 20% glass fiber (PA66+GF20%), a flame-retardant material that stands up well to high operating temperatures.
Q10: Are these quick wire connectors reusable, or do they lock permanently once pressed down?
A: They are completely reusable. You can lift the lever handles at any time to release, re-align, or replace wire leads during routine equipment maintenance.
At FILN, we specialize in delivering precision-engineered indicator lights, push button switches, and rocker switches tailored to your unique requirements. While our products default to standard voltage ranges (12-24V and 110-220V), we understand that specialized applications demand flexibility.
Need a Custom Voltage Solution? Simply inform us of your desired voltage specifications (e.g., 5V, 48V, or non-standard ranges), and our engineering team will craft a solution within 10-15 business days.
✅ Expertise You Can Trust: Over 20 years of experience in industrial-grade electronic component production.
✅ End-to-End Customization: From voltage adjustments to bespoke designs (shape, color, IP rating), we adapt to your needs.
✅ Quality Guaranteed: All custom orders undergo rigorous testing to meet CE/RoHS/IP65 standards.
✅ Scalable Support: Whether prototyping or bulk orders, we ensure seamless delivery.
Consultation: Share your technical requirements via email or our contact form.
Design & Approval: Receive 3D models or samples for confirmation.
Production & QC: Precision manufacturing with real-time updates.
Global Shipping: Trackable logistics to your doorstep.
Email: inquiry@cnylin.com.cn
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