In the world of industrial electrical systems, few components play a more crucial role in ensuring safe, efficient power distribution than terminal blocks. Among the leading choices for high-current applications is the Sprecher + Schuh VU4-35 Terminal Block. Designed with superior durability, precision engineering, and compliance with international safety standards, this 110A, 600V feed-through terminal block stands as a reliable solution for engineers, electricians, and control panel builders.
The Sprecher + Schuh VU4-35 Terminal Block embodies the company’s commitment to providing dependable, modular connection systems for industrial and commercial environments. With its robust design and versatile configuration, it ensures secure electrical connections even under demanding conditions—making it a must-have for power distribution, automation, and control systems.
Understanding the Sprecher + Schuh VU4-35 Terminal Block
The VU4-35 Terminal Block is a feed-through design type designed for DIN rail mounting, providing secure, touch-safe connections for conductors up to 35mm². Each block accommodates two conductors in a single unit, creating a continuous electrical path across the panel while maintaining excellent mechanical stability.
Its gray polyamide body ensures standardized identification, while the screw-clamp mechanism delivers high-strength grip performance. This design minimizes maintenance needs and supports long-term reliability in both fixed and mobile installations.
Key Specifications at a Glance
● Current Rating: 110A
● Voltage Rating: 600V AC/DC (UL/CSA), up to 900V (IEC)
● Conductor Size: 6–35mm² (AWG 10–2)
● Connection Type: Screw Clamp
● Material: Polyamide 6.6 (UL 94 V-0 flame retardant)
● Mounting Type: 35mm DIN rail terminal blocks
● Operating Temperature Range: -40°C to +90°C
These specifications position the VU4-35 Terminal Block as a heavy-duty solution ideal for both low- and medium-voltage industrial systems.
Design and Construction: Strength Meets Safety
High-Performance Feed-Through Design
The feed-through design of the Sprecher + Schuh VU4-35 enables seamless current flow from one side of the terminal to the other, simplifying wiring in control panels. Instead of splicing conductors or running long continuous wires, technicians can use this block to create clean, accessible connection points.
Secure Screw Clamp Connections
Each side features a stainless-steel screw that applies firm pressure to the wire against a nickel-plated copper bar. This low-resistance connection minimizes heat buildup and ensures mechanical stability, even in high-vibration environments such as industrial machinery or heavy equipment.
Durable Polyamide Insulation
The housing is made from Polyamide 6.6, a high-strength thermoplastic known for its toughness and resistance to chemicals, oils, and high temperatures. Its UL 94 V-0 flame-retardant rating ensures safety even under thermal stress. This material selection makes the terminal block ideal for outdoor, marine, and factory-floor applications.
Compact Yet Powerful
Despite its high current rating, the VU4-35 Terminal Block maintains a compact 14mm width, allowing efficient space utilization in crowded enclosures. Multiple units can be easily mounted side-by-side on a standard 35mm DIN rail to create multi-circuit configurations.
Technical Advantages of the Sprecher + Schuh VU4-35 Terminal Block
1. High Current and Voltage Handling
With its 110A current capacity and 600V UL rating, the VU4-35 is built for demanding power distribution tasks. Whether feeding motors, heaters, or sub-circuits, this terminal block ensures a consistent electrical connection with minimal loss.
2. Vibration-Resistant Screw Connection
Its screw-clamp mechanism maintains strong contact pressure even under vibration or mechanical stress, preventing conductor loosening and electrical arcing.
3. Wide Wire Compatibility
Supporting wire sizes from 6mm² to 35mm², it accommodates both solid and stranded conductors—offering flexibility for different system designs and installation requirements.
4. Modular and Expandable
The VU4-35 system supports accessories like bridges, end stops, and marking tags, enabling users to customize assemblies according to project needs. Terminal bridging simplifies common connections without external jumpers, keeping wiring clean and organized.
Industrial Applications of the VU4-35 Terminal Block
The Sprecher + Schuh VU4-35 is engineered for a variety of high-current applications across industries, including:
1. Industrial Control Panels
Used as a primary feed or distribution terminal in motor control centers, the VU4-35 simplifies wiring for machinery such as conveyor systems, HVAC units, and heavy-duty production lines.
2. Power Distribution Systems
In electrical boards and switchboards, it serves as a feeder terminal, distributing main power lines into smaller branch circuits with consistent performance.
3. Renewable Energy Installations
For solar and UPS systems, its high-current tolerance and temperature resilience make it ideal for combiner boxes and battery bank connections.
4. Transportation and Heavy Equipment
The VU4-35’s vibration-resistant construction supports reliable power connections in vehicles, ships, and rail systems.
5. Utilities and Process Industries
Powering pumps, drives, and large machinery in mining, water treatment, and energy facilities, the VU4-35 ensures safe maintenance and easy circuit testing.
Certifications and Compliance
The Sprecher + Schuh VU4-35 Terminal Block meets leading international standards, ensuring it can be integrated confidently into certified systems worldwide.
● UL 1059 and CSA Certified: Rated for 600V and 110A applications.
● IEC 60947-7-1 Compliant: Tested for dielectric strength, heating performance, and torque durability.
● CE Marked: Ensures conformity with European Low Voltage Directive.
● RoHS & REACH Compliant: Environmentally safe materials, free from hazardous substances.
● Flame Retardant (UL 94 V-0): Self-extinguishing insulation for enhanced safety.
These certifications affirm the product’s suitability for global industrial markets.
Accessories and System Integration
The modular nature of Sprecher + Schuh terminals allows for easy customization. The VU4-35 can be paired with:
● Two-Way Terminal Bridges: Connects multiple blocks for parallel wiring.
● End Barriers & Stops: Ensures spacing and safety between blocks.
● Marking Tags: For labeling and circuit identification.
● Ground and Neutral Terminals: Available in color-coded variants for compliance with wiring standards.
Such integration not only simplifies installation but also improves long-term serviceability and organization.
Alternatives and Compatibility
The VU4-35 Terminal Block has been succeeded by the V7-W35 model, offering improved features while maintaining full compatibility. It also compares favorably with top-tier equivalents such as:
● Phoenix Contact UT 35: 125A, 1000V feed-through block.
● Weidmüller WDU 35: 125A, 1000V, CSA-rated for 110A at 600V.
In performance and reliability, the VU4-35 remains a strong competitor, backed by Sprecher + Schuh’s legacy of quality and innovation.
Why Choose the Sprecher + Schuh VU4-35 Terminal Block
Choosing this terminal block means investing in longevity, safety, and precision. Its combination of high current capacity, rugged construction, and global compliance ensures it performs flawlessly across industries.
Whether you’re designing new control panels or retrofitting older systems, the Sprecher + Schuh VU4-35 provides peace of mind with its proven track record for reliability and safety.
Related Product Collections ➜
Power Distribution Solutions ➜
This collection covers feeders, busbars, distribution boards, surge protection and related equipment—perfect for expanding beyond terminal blocks into full-scale power setups.
Relays (Power Distribution) ➜
Includes relays, contactors, and switching devices that complement terminal blocks in building safe, automated power distribution systems.
Cable, Wire, Conduit & Accessories ➜
Essential wiring and conduit solutions for integrating terminal blocks, ensuring durable and organized power connections across installations.
Conclusion: A Proven Solution for Industrial Power Distribution
In any industrial environment, a single weak connection can compromise an entire system. The Sprecher + Schuh VU4-35 Terminal Block eliminates that risk through meticulous engineering and unmatched reliability. Its modular design, robust clamping mechanism, and compliance with international standards make it a cornerstone of dependable electrical installations.
When selecting terminal blocks for your next control panel or power system project, consider the Sprecher + Schuh VU4-35 for its enduring quality and performance.
Discover the full range of Sprecher + Schuh terminal blocks at Industrial Electrical Warehouse to find the perfect fit for your power distribution needs.
