ST 2.5 Series Knife-Disconnect Terminal Block Supplier
United Machinery is a trusted supplier of ST 2.5 Series Knife-Disconnect Terminal Blocks across major industrial markets in West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad, and globally in Saudi Arabia and the UAE. The ST 2.5 Knife-disconnect series offers a premium and reliable solution for electrical circuits requiring manual switching, testing, isolation, and maintenance access without disconnecting wiring.
Product Introduction of ST 2.5 Knife-Disconnect Terminal Block (Part No: 3036343)
The ST 2.5 Series Knife-Disconnect Terminal Block is engineered for modern industrial systems requiring flexible circuit isolation and testing points. The Knife-Disconnect mechanism enables quick circuit disconnection while keeping the conductor securely terminated—making inspection, troubleshooting, and circuit verification faster and safer. This series combines spring clamp technology with a compact structure, ensuring fast wiring, vibration-proof clamping, and long-term electrical reliability.
Technical Specification Chart
Specification | Details |
Model | ST 2.5 Knife-Disconnect |
Part Number | 3036343 |
Connection Type | Spring Clamp / Knife Disconnect |
Rated Voltage | Up to 800V |
Rated Current | 24A (Approx.) |
Conductor Size Range | 0.5 mm² – 4 mm² |
Testing Port | Integrated |
Mounting System | Standard DIN Rail |
Insulation Material | Flame-retardant Polyamide (PA) |
Certifications | CE / UL / IEC / RoHS |
Outstanding Features of the ST 2.5 Series
- Quick and safe disconnect with knife-style mechanism
- Tool-free wiring thanks to advanced spring clamp technology
- Ideal for signal lines, testing loops, and maintenance circuits
- Compact design to save panel space
- Vibration and temperature-resistant connection
- Integrated test points for easy diagnostics
- Supports ferrules, solid, and flexible wires
Available Product Types in ST 2.5 Knife-Disconnect Range
Model | Part Number |
ST 2.5-QUATTRO-MT | 3036576 |
ST 2.5-QUATTRO-TG | 3038451 |
- MT Version — Suitable for multi-row wiring applications
- TG Version — Engineered for test group and measurement circuits
3036576 Phoenix Contact – ST 2,5-QUATTRO-MT – Knife-disconnect terminal block
Knife-disconnect terminal block, nom. voltage: 400 V, nominal current: 20 A, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 – 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
Phoenix Contact 3038451 ST 2.5-QUATTRO-TG Series Grey, Single-Level, Spring Clamp Termination
Disconnect terminal block, The max. load current must not be exceeded by the total current of all connected conductors. Current and voltage are determined by the plug used., nom. voltage: 400 V, Thermal continuous current Ith: 20 A, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 – 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
Industrial Applications
This series is especially valuable in environments requiring frequent testing, shutdown simulation, switching, or service access. The ST 2.5 Knife–Disconnect Terminal Blocks are widely used in:
- PLC and Automation Panels
- Control & Signaling Circuits
- Panel Testing and Diagnostics Systems
- Renewable Energy Infrastructure (Solar/EV/Hybrid)
- Instrumentation & Measurement Loops
- Railways, Metro, and Transportation Signaling
- Power Stations, Substations & Process Control
Affordable Solution Without Compromising Quality
United Machinery ensures customers receive premium, certified, and industry-grade terminal blocks at competitive pricing—making industrial electrification safer and cost-effective.
We supply bulk quantities while maintaining:
- Original manufacturer guarantee
- Consistent stock availability
- Best value in long-term operational cost
Our Service Locations of ST 2.5- MT
We supply to major industrial hubs in:
- 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
Why Customers in India, Saudi Arabia & UAE Prefer United Machinery
United Machinery continues to serve diverse industries with reliable terminal block solutions adapted for modern automation, energy and industrial power systems.
- Trusted Industrial Supplier with Years of Experience
- Fast Delivery Across India & GCC
- Genuine Products from Global Brands
- Technical Support & Application Guidance
- Strong Partnerships with OEMs, EPCs & Panel Builders
Contact Us
Looking for a trusted ST 2.5 Series Knife-Disconnect Terminal Block Supplier?
Get in touch with United Machinery Corporation today for product details, pricing, and bulk supply inquiries.
Phone Number – +91 90732 37992
Email Id – onlineumc9@gmail.com
Send us your requirement today and our team will get back to you quickly with the best solution.
