ST 2,5

Phoenix Contact ST 2,5 available at EU Automation. Get in touch today for a quick price.

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The Phoenix Contact ST 2,5 is a high-quality feed-through terminal block designed for efficient and reliable electrical connections. This terminal block utilises a spring-cage connection method, ensuring secure and maintenance-free wiring. It supports a wide range of conductor cross-sections from 0.08 mm² to 4 mm², making it versatile for various applications. The ST 2,5 is compact with a width of just 5.2 mm, allowing for space-saving installation on DIN rails NS 35/7.5 and NS 35/15.

Engineered with a robust PA insulating material, the ST 2,5 terminal block offers excellent durability and a high degree of safety, with an inflammability class of V0 according to UL 94 standards. It is capable of handling a maximum load current of 31 A with a 4 mm² conductor cross-section and a nominal voltage of up to 800 V. The terminal block also features a rated surge voltage of 8 kV, ensuring reliable performance in demanding electrical environments.

The Phoenix Contact ST 2,5 is designed to meet international standards, including IEC 60947-7-1, and is suitable for a variety of industrial and commercial applications. Its green colour coding aids in easy identification and organisation within electrical panels. With its high-quality construction and reliable performance, the ST 2,5 terminal block is an excellent choice for professionals seeking dependable electrical connectivity solutions.
Specification Description
Part Number ST 2,5
Alternative Part Number ST25
Manufacturer Phoenix Contact
Connection Method Spring-cage connection
Number of Connections 2
Number of Levels 1
Cross Section 0.08 mm² - 4 mm²
AWG 28 - 12
Width 5.2 mm
Length 48.5 mm
Height (NS 35/7.5) 36.5 mm
Height (NS 35/15) 43 mm
Colour Green
Insulating Material PA (Polyamide)
Inflammability Class (UL 94) V0
Maximum Load Current 31 A (with 4 mm² conductor cross section)
Rated Surge Voltage 8 kV
Surge Voltage Category III
Insulating Material Group I
Nominal Current 24 A (for 2.5 mm²)
Nominal Voltage 800 V
Conductor Cross Section (Solid) Min: 0.08 mm², Max: 4 mm²
Conductor Cross Section (Stranded) Min: 0.08 mm², Max: 2.5 mm²
Conductor Cross Section (AWG) Min: 28, Max: 12
Stripping Length 10 mm
Internal Cylindrical Gage A3
Certifications CSA, cULus Recognized, GOST, VDE, BV, DNV, GL, LR, NK, IECEE CB Scheme, ATEX, IECEx, INMETRO
Mounting Type NS 35/7.5, NS 35/15
Country of Origin Germany

The Phoenix Contact ST 2,5 is a high-quality feed-through terminal block designed for efficient and reliable electrical connections. Featuring a spring-cage connection method, this terminal block supports a wide range of conductor cross sections from 0.08 mm² to 4 mm², making it versatile for various applications. With a compact width of 5.2 mm, it is ideal for space-constrained environments. The ST 2,5 is built with durable PA insulating material and meets the stringent inflammability class V0 according to UL 94 standards. It is certified by multiple international standards, ensuring its reliability and safety in diverse industrial settings.

What is the connection method for this terminal block?

The connection method for this terminal block is a spring-cage connection.

What is the maximum load current for this terminal block?

The maximum load current for this terminal block is 31 A with a 4 mm² conductor cross section.

What is the nominal voltage rating for this terminal block?

The nominal voltage rating for this terminal block is 800 V.

What is the width of this terminal block?

The width of this terminal block is 5.2 mm.

What is the conductor cross section range for this terminal block?

The conductor cross section range for this terminal block is from 0.08 mm² to 4 mm².

Is this terminal block compliant with any standards?

Yes, this terminal block is compliant with IEC 60947-7-1 standards.

What is the stripping length required for the conductors?

The stripping length required for the conductors is 10 mm.

What is the rated surge voltage for this terminal block?

The rated surge voltage for this terminal block is 8 kV.

What is the insulating material used in this terminal block?

The insulating material used in this terminal block is PA (polyamide).

What is the flammability rating of the insulating material?

The flammability rating of the insulating material is V0 according to UL 94.

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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