Name: Phoenix Contact PT 2.5-QUATTRO BU Feed-Through Terminal Block - INOSAKI
SKU: Phoenix-3209581
Price: 6.47 USD
Availability: InStock

Technical Overview

Blue 1-deck feed-through terminal block, 800V/28A, Push-in connection, 0.14-4mm² wire, Ex zone compliant.

Key Features

Equipped with easy and direct push-in connection technology for conductors.
Suitable for rigid and flexible conductors with ferrules from 0.25 mm² or greater.
Allows direct connection of flexible conductors without ferrules by using the integrated push button.
Integrated push button facilitates easy release of connected conductors using any tool, avoiding direct contact with live parts.
Designed and certified for safe use in potentially explosive (Ex) zones.
Mounts easily on NS35/7.5 and NS35/15 DIN rails, offering versatile installation options.
Features a 1-deck/level design with four connection points for efficient wiring.

Technical Specification Matrix

Parameter	Value
Rated Operating Voltage (IEC)	800 V
Rated Operating Voltage (UL/CSA)	600 V
Rated Operating Voltage (Ex)	550 V
Rated Current (max. with 4mm² rigid conductor)	28 A
Rated Current (IEC with 2.5mm² conductor)	24 A
Rated Current (UL/cUL, CSA)	20 A
Rated Impulse Voltage	8 kV
Connection Method	Push-in connection
Conductor Cross-section Range	0.14 mm² - 4 mm² (AWG 26 - 12)
Number of Connections	4
Number of Poles	1 (neutral-through)
Mounting Type	NS35/7.5 DIN rail, NS35/15 DIN rail
Color	Blue
Operating Temperature Range	-60 °C to +85 °C
Physical Weight (kg)	0.01
Dimensions L x W x H (cm)	7.22 x 0.52 x 3.53

Industrial Applications

1. Hazardous Area Control Panels

This terminal block is ideal for wiring control panels located in potentially explosive atmospheres (Ex zones), such as chemical plants, oil and gas refineries, or grain silos. Its Ex zone compliance ensures safety and adherence to strict industrial regulations.

Problem Solved

Ensures safe and compliant electrical connections in hazardous environments where standard terminal blocks would pose a risk of ignition, thus preventing explosions.

Ex zone certifiedHazardous areaIECEx PTB 10.0021UATEX PTB 09ATEX1111UExplosion protection

2. Industrial Machine Control Systems

The push-in connection technology and wide wire cross-section range make this terminal block perfectly suited for complex industrial machine control systems where quick, reliable, and vibration-resistant connections are critical. The 800V voltage rating allows for use in various control and power circuits.

Problem Solved

Provides rapid and secure wiring of control signals and power lines within industrial machinery, improving assembly speed and reducing maintenance time due to its robust push-in design and broad wire compatibility.

Push-in connectionDIN rail mounting0.14-4mm² wire800 V rated voltageVibration resistant

3. Automated Building Management Systems

In large-scale building management systems, particularly for power distribution and control circuits within industrial or commercial buildings, this terminal block offers a reliable and space-efficient solution. Its high current rating (up to 28A) and multi-conductor capability are beneficial for managing diverse electrical loads and sensor inputs.

Problem Solved

Facilitates efficient and high-density wiring for power and signal distribution in automated building systems, optimizing space within control cabinets and reducing installation errors through intuitive push-in connections.

28 A rated current4 connectionsDIN rail mountingCompact designPower distribution