AOSI Electronics is a leading spring terminal block manufacturer in China, specializing in tool-free terminal blocks with reliable spring clamp technology. Our products ensure fast, vibration-resistant wiring—ideal for modern Industrial automation, intelligent robotic equipment, energy equipment.
We offer OEM/ODM customization, fast lead times, and global delivery to support your industrial wiring projects.
Bei AOSI Electronics werden alle unsere Klemmen und Steckverbinder rigoros getestet und vollständig zertifiziert:
✅ UL, CE, RoHSund REACH konform
✅ 100% Qualitätsprüfung vor Versand
✅ Strikte Einhaltung der ISO 9001:2015 Qualitätsmanagement-Normen
✅ Feuerfeste, hochtemperaturbeständige und vibrationsgeprüfte Ausführungen für industrielle Umgebungen
🔒 Eine zuverlässige Verbindung beginnt mit zertifizierten Komponenten. Wir gehen keine Kompromisse ein, wenn es um Sicherheit und Einhaltung von Vorschriften geht.
Als direkter Hersteller mit mehr als 15 Jahren Erfahrung in der Produktion von Reihenklemmen, bietet AOSI:
🔧 Über 30 Spritzgießmaschinen
🧰 Hausintern Werkzeug- und Formenbau Fähigkeiten
👷 50+ Facharbeiter und 8 Produktionslinien
🚚 Monatliche Leistung über 5 Millionen Stück
Vom Prototyping bis zur Massenlieferung bieten wir stabile Lieferzeiten, flexibles MOQund gleichbleibende Produktqualität.
Egal, ob Sie ein Vertriebshändler, Systemintegrator oder OEM sind, AOSI ist bereit, Ihr Wachstum zu unterstützen:
🌐 Exportieren nach 40+ Länder in Europa, Asien und Nord- und Südamerika
🧩 Anpassbare Optionen: Stiftanzahl, Logo, Farbe, Gehäusematerial, Verpackung
🤖 Technische Unterstützung für spezielle Teilung, modulares Blockdesign und Hochstromanwendungen
📦 Wir sprechen Ihre Sprache: schnelle Kommunikation, Zeichnungen, Muster und weltweite Logistikunterstützung.
We’ve been sourcing spring terminal blocks from AOSI for over 2 years. The tool-free design makes our panel assembly much faster, and the quality is consistently reliable.
AOSI’s support team responded quickly and provided customized DIN rail terminal blocks for our automation equipment. Highly professional and efficient!
We needed compact terminal blocks for a tight space in our HVAC control box. AOSI delivered on time with great service and OEM flexibility.
As a distributor, I appreciate working directly with a manufacturer like AOSI. Their spring terminal block quality, pricing, and lead time meet our global buyer standards.
AOSI spring terminal blocks are trusted across a wide range of industrial applications. From control panels und PLC systems zu I/O modules und OEM electrical equipment, our solutions provide reliable, space-saving, and tool-free wiring to meet the demands of modern automation and manufacturing environments.
Spring terminal blocks ensure fast, vibration-proof wiring in control panel installations. Their tool-free design speeds up assembly and improves maintenance efficiency in automation lines.
Ideal for modular systems, our terminal blocks integrate seamlessly with I/O modules, offering quick connection and compact arrangement in PLCs and signal control boxes.
Spring Terminal Blocks are perfect for compact PLC cabinets, where saving spa ce is important. They allow multiple connections in a small area, making them ideal for dense signal wiring and modular PLC system setups.
AOSI’s terminal blocks are widely used by OEM-Hersteller for customized electrical systems. With various mounting options and housing styles, they simplify internal wiring across different product lines.
A spring terminal block is a screwless wire connection component that uses internal spring force to clamp wires securely. It simplifies wiring, reduces installation time, and is ideal for high-vibration industrial applications.
Our terminal blocks support 2–24 poles mit modulare Konstruktion. You can either order pre-assembled units or splice individual modules using our interlocking mechanism — perfect for scalable system design.
Mounting types include:
✔️ PCB soldering mit 45°, 90°, or 180° orientations
✔️ DIN rail mounting for control panels
✔️ Panel mount for enclosures
This makes our products highly adaptable for a variety of electrical system layouts.
Yes! We offer free engineering samples to qualified buyers. Just let us know the model, pitch, number of poles, and quantity you’d like to test.
We offer multiple pitch sizes: 2.5mm / 3.5mm / 5.0mm / 7.62mm / 10.16mm, supporting different voltage, current, and space requirements. Custom pitches can be developed for specialized needs.
We provide two screwless wiring options:
– Push-in type (for solid wires)
– Button-release type (for stranded wires)
Both offer easy, secure installation with excellent contact reliability.
Yes — as a trusted spring terminal block manufacturer, we support:
🔹 Logo printing (pad/laser)
🔹 Color customization
🔹 Tailored pole count / pitch
🔹 Branded packaging
Just send us your specs or drawings for evaluation.
Für Standardartikel: 7-10 Arbeitstage
Für kundenspezifische/OEM-Teile: 2-4 Wochen je nach Form und Auftragsvolumen.
Unser Ziel ist es, die Zeitspanne zwischen Entwurf und Produktion zu verkürzen.
Our spring terminal blocks support 2–24 poles and offer 45° / 90° / 180° soldering orientations, with two wiring options: push-in direct oder button-operated connection.
Please let us know the pitch size, number of poles, and your preferred wiring method, along with any customization requests.
We’ll reply promptly with tailored solutions, 3D drawings, and a competitive quotation.
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