Phoenix Contact UK 2,5 B Feed-through Terminal Block

Technical Overview

Robust gray polyamide feed-through terminal block, 690V/24A, 0.2-4mm² (AWG 24-12) screw connection, DIN rail mountable, -60 to 110°C operation.

Key Features

Feed-through/thru terminal block design
1-deck / 1-level configuration
Equipped with 1 feed-through pole and 2 wire connections (1 screw + 1 screw)
Compatible with conductor cross-sections from 0.2 mm² to 4 mm² (AWG 24-12)
Mounts easily on NS35/7.5 and NS35/15 DIN rails due to its universal foot
Rated for nominal voltage of 690 V and nominal current of 24 A (IEC)
Operational ambient temperature range from -60 °C to 110 °C
Constructed from Polyamide (PA) with a flammability rating of UL 94 V0
Features an 8 kV rated impulse voltage and overvoltage category III, degree of pollution 3

Technical Specification Matrix

Parameter	Value
Product Type	Feed-through terminal block
Nominal Voltage	690 V
Nominal Current (IEC)	24 A
Nominal Current (UL/cUL)	20 A
Nominal Current (CSA)	25 A
Number of Connections	2
Connection Method	Screw connection
Conductor Cross Section (Solid)	0.2 mm² - 4 mm²
Conductor Cross Section (Flexible)	0.2 mm² - 4 mm²
Conductor Cross Section (AWG)	24 - 12
Mounting Type	NS 35/7,5, NS 35/15 (DIN rail)
Color	Gray (RAL 7042)
Rated Impulse Voltage	8 kV
Overvoltage Category	III
Degree of Pollution	3
Maximum Power Dissipation for Nominal Condition	0.77 W
Ambient Temperature (Operation)	-60 °C ... 110 °C
Flammability Rating (UL 94)	V0
Insulating Material	PA (Polyamide)
Physical Weight (kg)	0.01
Dimensions L x W x H (cm)	4.25 x 0.62 x 4.2

Industrial Applications

1. Industrial Control Panel Wiring

The Phoenix Contact UK 2,5 B terminal block is ideal for distributing power and control signals within industrial control cabinets. Its 690V/24A rating and compatibility with 0.2-4mm² (AWG 24-12) wires ensures it can handle typical industrial voltage and current requirements for various components.

Problem Solved

Provides a reliable, organized, and secure method for terminating and distributing electrical connections in high-density industrial control panels.

690V24A0.2-4mm² wireDIN rail mountControl cabinet

2. HVAC System Electrical Connections

This terminal block is suitable for making robust electrical connections in commercial and industrial HVAC systems. The wide operating temperature range of -60 °C to 110 °C ensures performance in varied environmental conditions, while the screw connection method provides vibration-resistant wire termination, critical for equipment like fans and compressors.

Problem Solved

Offers a durable and temperature-resilient solution for connecting power and control circuits in demanding HVAC applications.

-60 °C to 110 °CScrew connectionHVACVibration resistance

3. Process Automation Field Device Interfacing

In process automation, the UK 2,5 B terminal block serves as an effective interface for connecting field instrumentation such as sensors and actuators within protective enclosures. Its 690V rating and solid screw connections provide the necessary robustness and electrical capacity for reliable data and power transmission from field devices to control systems.

Problem Solved

Ensures secure and high-integrity electrical connections for critical field devices in process automation environments, accommodating diverse wire sizes and maintaining stability under load.

690V24A0.2-4mm² wireProcess automationField instrumentation