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Phoenix Contact 3031212 Feed-through terminal block ST 2,5
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Phoenix Contact 3031212 Feed-through terminal block ST 2,5

Manufacturer: Phoenix Contact
Model: ST 2,5 (3031212)
Rated Cross Section: 0.14–2.5 mm²
Rated Voltage: Up to 800V (IEC)
Rated Current: Up to 24A
Connection Type: Screw connection
Mounting Type: DIN rail NS 35

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Product Description

The Phoenix Contact ST 2.5 (3031212) is a classic and reliable feed-through terminal block designed for industrial control cabinets and power distribution systems. This terminal block features a robust screw connection system, suitable for various wire types ranging from 0.14–2.5 mm², ensuring long-term stable electrical connections. It supports a rated voltage of up to 800 V and a rated current of 24 A, meeting the safety and reliability requirements of most industrial applications. The ST 2.5 can be easily mounted on standard NS 35 DIN rails, offering a compact design and clear wiring layout. It is widely used in industrial automation, power distribution, and control system wiring, making it an ideal choice for internal wiring in control cabinets.

Standard Features

  • Feed-through Connection: Provides reliable straight-through wiring for efficient signal and power distribution

  • Screw Connection Technology: Ensures secure, vibration-resistant conductor termination with standard screw clamps

  • Wide Conductor Range: Supports solid, stranded, and ferruled conductors from 0.14 to 2.5 mm²

  • High Electrical Rating: Rated up to 800 V and 24 A for typical industrial control and power applications

  • DIN Rail Mounting: Designed for quick and stable installation on standard NS 35 DIN rails

  • Compact Design: Space-saving terminal width enables high-density wiring in control cabinets

  • Clear Identification: Integrated marking slots allow easy labeling and circuit identification

  • Industrial Protection: IP20 protection rating suitable for enclosed control panels

Technical Specifications

 

ModelDescriptionCurrent RatingSupply Voltage
ST 2,5Standard feed-through terminal block, gray colorUp to 24 AUp to 800 V (IEC)
ST 2,5 BUFeed-through terminal block, blue, for neutral conductorsUp to 24 AUp to 800 V (IEC)
ST 2,5 RDFeed-through terminal block, red, for phase identificationUp to 24 AUp to 800 V (IEC)
ST 2,5 GNFeed-through terminal block, green, for control circuitsUp to 24 AUp to 800 V (IEC)
ST 2,5 YEFeed-through terminal block, yellow, for signal identificationUp to 24 AUp to 800 V (IEC)
ST 2,5 PEProtective earth terminal block with grounding contactUp to 24 AUp to 800 V (IEC)

 

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