ST 4 Series Spring Terminal Block Supplier
United Machinery is a reliable and authorized supplier of Phoenix Contact ST 4 Series Spring Terminal Blocks (Part No. 3031364) across West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad and also Saudi Arabia and UAE, offering high-performance industrial wiring solutions to panel builders, automation OEMs, EPC contractors, and electrical system integrators across India and the Middle East. The ST 4 Series (3031364) is designed for fast, durable, and maintenance-free electrical connections using advanced spring-cage technology, ensuring a secure and vibration-proof termination for industrial environments.
Product Profile
The Phoenix Contact ST 4 Spring Terminal Block (3031364) is engineered for reliable and space-efficient wiring inside control cabinets and electrical distribution systems. Its spring connection system eliminates the need for periodic tightening, making it ideal for applications where operational stability, long lifecycle, and fast installation are essential. The ST 4 Series supports a wide conductor range and ensures consistent clamping force, making it suitable for high-density wiring environments and mission-critical installations.
Available Types in ST 4 Series
Model | Part No. |
ST 4 BK | 3037180 |
ST 4 BU | 3031377 |
ST 4 RD | 3037151 |
ST 4 OG | 3037135 |
ST 4-PE | 3031380 |
Phoenix Contact 3037180 ST 4 BK Series – Black, 4mm², 1-Level, Spring Cage Termination
Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 2, 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: black
Phoenix Contact 3031377 ST 4 BU Series – Blue, 0.2 → 6mm², Single-Level, Spring Clamp Termination
Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 2, 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
3037151 Phoenix Contact – ST 4 RD series – Feed-through terminal block
Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 2, 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: red
Phoenix Contact 3037135 ST 4 OG Series Orange, Single-Level, Spring Clamp Termination
Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 2, 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 3031380 ST 4-PE Series Green/Yellow, 0.08 → 6mm², Single-Level, Spring Cage Termination
Spring-cage protective conductor terminal block, number of connections: 2, 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
Technical Highlights
Parameter | Specification |
Part Number | 3031364 |
Connection Type | Spring Cage Clamp |
Rated Cross-Section | 4 mm² |
Voltage Rating | Up to 800V AC/DC (model dependent) |
Current Rating | Up to 32A |
Conductor Size Range | 0.75 mm² – 6 mm² (solid and stranded) |
Wire Entry | Front-entry, easy insertion design |
Mounting Type | DIN Rail NS 35/7.5 or NS 35/15 |
Material | Flame-retardant PA66 (self-extinguishing, halogen-free) |
Compatibility | CLIPLINE complete marking, bridging, & testing accessories |
Available Variants in ST 4 Series
Model Name | Color | Part Number |
ST 4 BK | Black | 3037180 |
ST 4 BU | Blue | 3031377 |
ST 4 RD | Red | 3037151 |
ST 4 OG | Orange | 3037135 |
ST 4-PE | Green-Yellow (Earth terminal) | 3031380 |
This variety ensures clear circuit identification, organized routing, and compliance with industry wiring standards.
Reasons to Choose Phoenix Contact ST 4 Series
- Maintenance-free Spring Technology– No re-tightening required
- Fast Installation– Ideal for mass wiring and repetitive assembly
- Vibration and Shock Resistant– Perfect for demanding industrial use
- Compact and Modular Design– Saves panel space and wiring complexity
- Universal System Compatibility– Works with the full CLIPLINE complete system
- Enhanced Safety– Gas-tight, corrosion-resistant electrical connection
Where Can We Use This Product?
The ST 4 Spring Terminal Blocks are widely used in:
- Control Panels and MCCs
- PLC & Automation Wiring
- Renewable Energy Systems (Solar/Wind)
- Process Control and Instrumentation
- Railway Automation, Metro Systems
- Power Distribution Boards & Switchgear
- Industrial Manufacturing Machinery
- SCADA, BMS & IoT Control Panels
- Their durability makes them suitable for heavy industrial sectors, utilities, smart infrastructure, and mission-critical automation systems.
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
Affordable Quality Without Compromise
United Machinery ensures that you receive authentic Phoenix Contact products at competitive pricing. The ST 4 series delivers German-engineered precision and long-term operational reliability — giving you a high-value solution without sacrificing quality, safety, or performance.
Why Choose United Machinery?
- Ready Stock & Fast Delivery
- Technical Support for Product Selection
- Datasheets, Certificates & Documentation
- Support for Project Orders, AMC, OEM & Bulk Purchases
- Supply Across India & Middle East Regions
