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Phoenix Contact STU 10/4X25 - OF 31 - TERMINAL BLOCK 3033139 STU 10/4X25 OF 31

Includes PLG Automations 1-Year Warranty
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Disclaimer: PLG Automation sells surplus, refurbished, & used items and is not an authorized distributor for the brands listed. Our products come with PLG Automation's 1-year warranty, not the original manufacturer's warranty. Trademarks and brands mentioned belong to their respective owners; the website is not endorsed by any manufacturer.
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Product Description


The Phoenix Contact STU 10/4X25 - OF is a hybrid terminal block designed to efficiently distribute electrical potential from a single 10 mm² supply line to four 2.5 mm² connections. It features a screw connection for the main supply and spring-cage connections for the distribution, facilitating secure and tool-free wiring. The terminal block is constructed from high-quality materials to ensure durability and reliable performance in various applications.



Technical Specifications


  • Product Type: Hybrid Terminal Block​
  • Number of Connections: 5 (1 main supply and 4 distribution)​
  • Octopart
  • +2
  • Phoenix Contact
  • +2
  • RSP Supply
  • +2
  • Connection Methods:
  • Main Supply: Screw Connection (M4)​
  • RS Components
  • Distribution: Spring-Cage Connections​
  • Phoenix Contact
  • +4
  • Phoenix Contact
  • +4
  • Octopart
  • +4
  • Nominal Cross-Section: 10 mm² for main supply; 2.5 mm² for distribution​
  • RS Components
  • +2
  • Octopart
  • +2
  • Phoenix Contact
  • +2
  • Conductor Cross-Section Range:
  • Solid: 0.5 mm² to 16 mm²​
  • Flexible: 0.5 mm² to 16 mm²​
  • Flexible with Ferrule (without plastic sleeve): 0.5 mm² to 10 mm²​
  • Octopart
  • +1
  • RS Components
  • +1
  • Flexible with Ferrule (with plastic sleeve): 0.5 mm² to 10 mm²​
  • Two Conductors (same cross-section): ​
  • RS Components
  • +1
  • Octopart
  • +1
  • Solid: 0.5 mm² to 4 mm²
  • Flexible: 0.5 mm² to 4 mm²
  • Flexible with Ferrule (without plastic sleeve): 0.5 mm² to 2.5 mm²
  • Flexible with Ferrule (with plastic sleeve): 0.5 mm² to 6 mm²
  • Nominal Current:
  • Main Supply: 55 A​
  • RS Components
  • +2
  • assets.phoenixcontact.com
  • +2
  • Octopart
  • +2
  • Each Distribution: 24 A​
  • Nominal Voltage: 800 V​
  • RSP Supply
  • +3
  • RS Components
  • +3
  • Octopart
  • +3
  • Stripping Length: 8 mm to 10 mm​
  • Degree of Pollution: 3​
  • Overvoltage Category: III​
  • mrostop.com
  • +3
  • Octopart
  • +3
  • RS Components
  • +3
  • Width: 10.3 mm​
  • RS Components
  • +1
  • RSP Supply
  • +1
  • Height: 68 mm​
  • RS Components
  • +2
  • Phoenix Contact
  • +2
  • shop.shortec.com
  • +2
  • Depth: 40.7 mm​
  • RSP Supply
  • +6
  • Phoenix Contact
  • +6
  • shop.shortec.com
  • +6
  • Color: Gray​
  • RSP Supply
  • +3
  • shop.shortec.com
  • +3
  • Phoenix Contact
  • +3
  • Mounting Type: Suitable for NS 35/7.5 and NS 35/15 DIN rails​
  • Approvals: IEC 60947-7-1​
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Free Shipping On All Orders. Most Products Ship From The US And Are Delivered Within 3-7 Days. Contact Phone Support or Sales For Overnight And 2 Day Shipping Options.

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Warranty Information

All Products Come With PLG Automation's 1-Year Warranty.

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