Name: Phoenix Contact ST 2,5-QUATTRO BU Terminal Block - INOSAKI
SKU: Phoenix-3031319
Price: 6.72 USD
Availability: InStock

Technical Overview

800V, 24A feed-through terminal block with spring-cage connection, 0.08-4mm² wire support, and 5.2mm width for DIN rail mounting.

Key Features

Spring-cage connection for secure and quick wiring of conductors.
Supports both rigid and flexible conductors.
Space-saving design with a narrow 5.2 mm width.
Designed for DIN rail mounting on NS 35/7,5 or NS 35/15.
Suitable for applications in potentially explosive (Ex) zones.
Allows for individual labeling of each terminal point for clear identification.
Comprehensive range of accessories available for bridging, testing, and marking.

Technical Specification Matrix

Parameter	Value
Nominal Voltage	800 V
Nominal Current (with 2.5mm² conductor)	24 A
Maximum Current (with 4mm² conductor)	28 A
Conductor Cross Section (flexible, min-max)	0.08 mm² - 2.5 mm²
Conductor Cross Section (rigid, min-max)	0.08 mm² - 4 mm²
AWG Wire Size (min-max)	28 AWG - 12 AWG
Connection Method	Spring-cage connection
Number of Connections	4
Number of Levels	1
Color	Blue
Mounting Type	DIN rail (NS 35/7,5, NS 35/15)
Operating Temperature	-60 °C to +85 °C
Rated Impulse Voltage	8 kV
Insulation Material	Polyamide (PA)
Flammability Class (UL94)	V0
Stripping Length	8 mm - 10 mm
Height on NS 35/15	44 mm
Physical Weight (kg)	0.01
Dimensions L x W x H (cm)	7.2 x 0.52 x 3.65

Industrial Applications

1. High-Density Industrial Control Panel Wiring

This terminal block is ideal for high-density wiring in industrial control cabinets. Its compact 5.2mm width and DIN rail mounting capability allow for efficient use of limited space, while the 800V/24A rating ensures reliable power and signal distribution for various control components.

Problem Solved

Provides a space-saving and reliable solution for wiring numerous devices in crowded industrial control panels, ensuring stable connections under operational conditions.

Control CabinetDIN Rail MountingCompact DesignHigh Current CapacitySignal Distribution

2. Electrical Junctions in Hazardous (Ex) Areas

With its explicit suitability for use in Ex zones and robust spring-cage connection, this terminal block is perfect for connecting sensors, actuators, and control devices in hazardous environments like chemical plants or oil and gas facilities. The vibration-resistant and gas-tight connections are crucial for safety and reliability.

Problem Solved

Enables safe and dependable electrical connections in areas prone to explosions, meeting stringent safety requirements for intrinsic safety or explosion protection systems.

Ex ZoneHazardous LocationVibration ResistanceGas-tight ConnectionProcess Automation

3. Machine Automation Power and Signal Interfacing

The terminal block's 800V/24A rating, wide wire cross-section support (0.08-4mm²), and four connection points make it suitable for interfacing both power and control signals within automated machinery. Its robust spring-cage technology ensures stable connections despite machine vibrations.

Problem Solved

Facilitates secure and versatile electrical interfacing for various components in automated machines, maintaining connection integrity even with operational vibrations and diverse wire types.

Machine ControlAutomationPower DistributionSignal WiringVibration Stability