ST 2.5 TWIN Series Spring Terminal Block Supplier
United Machinery is one of the trusted suppliers of Phoenix Contact ST 2.5 TWIN Spring Terminal Blocks 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 reliable electrical connection technology for industrial applications, machinery wiring, panel building, and automation systems. We support OEMs, EPC contractors, and panel fabricators with fast delivery, genuine products, and technical support across India and the Middle East.
Product Description
The Phoenix Contact ST 2.5 TWIN Spring Terminal Block is engineered to simplify multi-wire connections within a compact and robust design. With two conductors per terminal point, this module is ideal for applications requiring parallel wiring, distribution, sensor duplication, or loop-through circuits. Built with spring cage technology, the ST 2.5 TWIN (3031241) ensures maintenance-free, shock-proof, and vibration-resistant connections. It is ideal for environments where long-term reliability, consistency, and fast installation matter.
Technical Highlights
Specification | Details |
Series | ST 2.5 TWIN |
Connection Type | Spring Cage Clamp Technology |
Number of Terminals Per Block | 2-wire connection (TWIN design) |
Rated Cross-Section | 2.5 mm² |
Voltage Rating | Up to 800V (varies based on configuration) |
Current Capacity | Up to 24A |
Conductor Size Supported | 0.5 mm² – 4 mm² |
Mounting | DIN Rail (NS35) |
Housing Material | Flame-retardant, UL-approved polyamide |
Accessories Compatibility | Bridges, marking systems, end plates, testing points |
Reasons to Choose Phoenix Contact ST 2.5 TWIN Series
- Two-Point Terminal Design for Space Efficiency
Enables compact wiring without adding additional terminal blocks. - Fast, Tool-Free Wiring
Spring connection eliminates tightening and maintenance. - Outstanding Durability
Resistant to vibrations, corrosion, temperature cycling, and mechanical stress. - Universal Modular Compatibility
Integrates seamlessly with Phoenix Contact’s CLIPLINE complete system. - Safe and Consistent Electrical Contact
Gas-tight terminal connection prevents loosening over time.
Variant of ST 2.5-TWIN are:
Model | Part Number |
ST 2.5-TWIN OG | 3031982 |
ST 2.5-TWIN-PE | 3031267 |
ST 2.5-TWIN BK | 3037342 |
ST 2.5-TWIN BU | 3031254 |
Phoenix Contact Feed Through 3 Position Orange Terminal Block Connector CLIPLINE ST Series, 3031982
Feed-through terminal block, nom. voltage: 800 V, nominal current: 24 A, number of connections: 3, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 – 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: orange.
Phoenix Contact 3031267 ST 2.5-TWIN-PE Series – Green/Yellow, 2.5mm², 3-Level
Protective conductor terminal block, number of connections: 3, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 – 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: green-yellow
Phoenix Contact 3037342 ST 2.5 Clipline Series – Black, Single-Level, Spring Clamp Termination
Feed-through terminal block, nom. voltage: 800 V, nominal current: 24 A, number of connections: 3, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 – 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: black
Phoenix Contact 3031254 ST 2.5-TWIN BU Series Blue
Feed-through terminal block, nom. voltage: 800 V, nominal current: 24 A, number of connections: 3, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 – 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue
Where Can We Use This Product?
The ST 2.5 TWIN Spring Terminal Block is widely used in:
- Industrial Control Panels
- PLC and SCADA Wiring
- Building Management Systems (BMS)
- Process Automation and Instrumentation Systems
- Drive and Motor Control Centers
- Renewable Energy Systems (Wind/Solar)
- Machinery & OEM Electrical Panels
- Railway & Metro Automation Panels
- HVAC Panels and Field Control Wiring
- Its dual connection capability makes it especially useful for signal looping, power distribution, and sensor parallel wiring.
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
At United Machinery, we ensure you get premium Phoenix Contact technology at competitive pricing. The ST 2.5 TWIN series delivers world-class performance, longevity, and wiring efficiency — all while offering a cost-effective solution for industrial and automation requirements.
Why Choose United Machinery?
- Authorized and genuine Phoenix Contact product supply
- Ready stock and fast dispatch for urgent project requirements
- Competitive pricing for OEM and AMC contracts
- Expert assistance for product selection and application support
- Supply across India and Middle East including OEMs, EPC contractors & panel builders
- Commitment to long-term customer satisfaction and reliable delivery
Contact Us – United Machinery Corporation
Looking for a trusted ST 2.5 TWIN Series Spring Terminal Block Supplier?
Get in touch with United Machinery Corporation for product enquiries, pricing, and bulk supply across India, UAE, and Saudi Arabia.
Phone Number – +91 90732 37992
Email Id – onlineumc9@gmail.com
Contact us today for fast response, competitive pricing, and reliable supply.
