ST 4 QUATTRO Series SPRING TERMINAL BLOCK Supplier
United Machinery Corporation is a trusted ST 4 QUATTRO Series Spring Terminal Block Supplier, delivering high-performance electrical connectivity solutions for industrial and commercial applications. Designed for reliability, space efficiency, and secure multi-conductor connections, the ST 4 QUATTRO Series Spring Terminal Blocks are ideal for control panels, automation systems, and power distribution setups.
With a strong supply network across India, Saudi Arabia, and the UAE, United Machinery Corporation serves customers in West Bengal, Maharashtra, Gujarat, Rajasthan, Riyadh, Jeddah, Dubai, Abu Dhabi, and many other key industrial hubs. We focus on consistent quality, competitive pricing, and timely delivery—making us a preferred partner for contractors, OEMs, and system integrators.
Discover Our Product
The ST 4 QUATTRO (3031445) spring terminal block is part of an advanced wiring series designed for secure, maintenance-free electrical connections. Featuring innovative spring-clamp technology, it ensures fast wiring without the need for tools, tightening, or frequent inspections. With a compact profile and high wiring density, it helps save valuable space in control panels while maintaining maximum wiring safety and operational efficiency.
Quality Types Available
Model | Description | Part Number |
ST 4-QUATTRO BU | Blue terminal block (Neutral/Standard Wiring) | 3031458 |
ST 4-QUATTRO OG | Orange terminal block (Signal/Control) | 1002940 |
ST 4-QUATTRO-PE | Green-Yellow terminal block (Earth/Ground) | 3031461 |
Phoenix Contact 3031458 ST 4-QUATTRO BU Series – Blue, Single-Level, Spring Clamp Termination
Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 4, connection method: Spring-cage connection, Rated cross section: 4 mm2, 1 level, cross section: 0.08 mm2 – 6 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue
Phoenix Contact 1002940 ST 4-QUATTRO OG Series – Orange, 0.08 → 6mm², ATEX, IECEx
Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 4, connection method: Spring-cage connection, Rated cross section: 4 mm2, 1 level, cross section: 0.08 mm2 – 6 mm2, mounting type: NS 35/7,5, NS 35/15, color: orange
Phoenix Contact 3031461 ST 4-QUATTRO-PE Series – Green/Yellow
Protective conductor terminal block, number of connections: 4, connection method: Spring-cage connection, Rated cross section: 4 mm2, cross section: 0.08 mm2 – 6 mm2, mounting type: NS 35/7,5, NS 35/15, color: green-yellow
Key Features of the ST 4 QUATTRO Series
- Tool-Free Spring Connection Technology
Ensures quick and easy wiring with strong clamping force. - High Vibration Resistance
Ideal for harsh and demanding industrial conditions. - Space-Optimized Design
Supports multiple connection points within a compact footprint. - Maintenance-Free Wiring
No screw tightening required—connections remain stable over time. - Compatible with DIN Rails
Suitable for standard industrial panel mounting. - Clear Marking & Identification Options
Enhances wiring organization and maintenance.
Reasons to Choose United Machinery
- Trusted supplier of industrial wiring and panel accessories
- Fast delivery and ready stock
- Expert customer support
- Only premium and certified products supplied
- Flexible supply solutions for OEMs, panel builders & system integrators
Where Can We Use This Product?
The ST 4 QUATTRO Terminal Block Series is suitable for:
- Electrical distribution systems
- Control panels and PLC cabinets
- Industrial machinery wiring
- Automation & robotics systems
- Data and process instrumentation
- Power control centers (PCC) & motor control centers (MCC)
Industrial Applications
This product is widely used across industries such as:
- Manufacturing & Automation
- Oil & Gas
- Power Generation & Distribution
- Railway & Transport Systems
- HVAC & Building Automation
- Food & Beverage Processing Plants
- Water Treatment & Waste Management
Service Locations
- West Bengal
- Bihar
- Odisha
- Chhattisgarh
- Jharkhand:Ranchi
- Maharashtra:Mumbai, Pune, Nagpur, Aurangabad
- Rajasthan:Jaipur
- Haryana:Faridabad
- Madhya Pradesh:Bhopal, Indore
- Gujarat:Ahmedabad, Surat, Vadodara
- Assam
- Tripura:Agartala
- Andhra Pradesh:Visakhapatnam
- Meghalaya
- Karnataka:Bengaluru
- Manipur:Imphal
- Tamil Nadu:Chennai, Coimbatore
- Hyderabad
- International Supply:
- Saudi Arabia:Al Jubail, Jeddah, Riyadh, Al Khobar
- UAE: Abu Dhabi, Dubai, Ruwais, Umm Al Quwain
Contact Us
Looking for a reliable ST 4 QUATTRO Series Spring Terminal Block Supplier?
Get in touch with United Machinery Corporation today.
Phone Number – +91 90732 37992
Email Id – onlineumc9@gmail.com
Fast response • Genuine products • Bulk & project supply

