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| Country of Origin | Germany |
|---|---|
| Voltage | 500V |
| Brand | Phoenix Contact |
| Colour | Grey |
| Model | 3031128 |
| Series | ST 21.5-TWIN |
| Termination Type | Spring Cage |
| Maximum Operating Temperature | 85°C |
| Number of Levels | 3 |
| Sub Type | Feed Through |
| Minimum Operating Temperature | -60°C |
| Standards/Approvals | Bureau Veritas, ATEX, CCC, CSA, DNV, EAC Ex, IEC 60947-7-1, IECEE CB, IECEX, KR, LR, NEPSI, NK, PRD, RS, VDE |
| Minimum Wire Size AWG | 28AWG |
| Maximum Wire Size AWG | 16AWG |
| Cable CSA | 1.5mm² |
| Terminal Block Current | 17.5A |
Phoenix Contact model 3031128 is a high-performance feed through terminal block designed for industrial and automation electrical connection needs.
This terminal block features a compact, grey insulating housing with three levels, allowing for efficient wiring and space saving on DIN rails compatible with NS 35/7.5 and NS 35/15 mounting systems.
Its spring cage connection technology ensures fast, secure, and vibration-resistant termination of solid and stranded conductors ranging from 0.08mm² up to 1.5mm² cross-section. Rated for a maximum current of 17.5 amperes and a voltage of up to 500 volts, the terminal block supports a wide range of power and control circuit requirements.
The broad operating temperature range from -60°C to 85°C enables reliable use in environments with extreme temperature fluctuations, enhancing operational stability and system integrity.
This product is compliant with industry standards including IEC 60947-7-1 and bears certifications from multiple global authorities, ensuring safety and performance quality.
Commonly utilized in electrical panels for signal distribution and automation systems, it is particularly suited for industrial, manufacturing, and commercial electrical installations requiring dependable wiring solutions.
Supports conductor cross-sections from 0.08mm² to 1.5mm² for solid and stranded wire. Maximum current rating of 17.5A suitable for demanding electrical circuits. Voltage rating of 500V ensures compatibility with industrial electrical infrastructure.
Robust spring cage termination for secure and vibration-resistant wiring. Compact 3-level design optimizes space on DIN rails. Wide temperature range (-60°C to 85°C) for harsh environment use. Complies with IEC 60947-7-1 and multiple international standards.
This feed through terminal block is a reliable solution for power and control circuit connections in a variety of industrial applications. Browse more DIN Rail Terminal Blocks at EnvMart for your automation and electrical component needs.
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