Phoenix Contact PTFIX 12X2,5-NS35A BU Distribution Block

Technical Overview

12-position blue distribution block with Push-in connection for 0.14-4mm² (26-12 AWG) wires, rated 690V/24A. DIN rail mountable, -60°C to 105°C.

Key Features

Time-saving conductor connection, thanks to tool-free Push-in direct connection technology.
Clear wiring, thanks to eleven different color variants (this particular part is blue).
Flexible use, thanks to DIN rail mounting, direct mounting or adhesive mounting.
Space savings of up to 50% on the DIN rail, thanks to transverse mounting.
Can be bridged with one another via the conductor shaft for corresponding plug-in bridges.
Accepts wire sizes from 0.14 mm² to 4 mm² (26-12 AWG).
Rated for 690 V and 24 A (IEC), 600 V and 5 A (UL).

Technical Specification Matrix

Parameter	Value
Nominal Voltage (IEC)	690 V
Nominal Current (IEC)	24 A
Nominal Voltage (UL)	600 V
Nominal Current (UL)	5 A
Number of Connections	12
Connection Method	Push-in connection
Conductor Cross Section Solid (min)	0.14 mm² (26 AWG)
Conductor Cross Section Solid (max)	4 mm² (12 AWG)
Mounting Type	DIN rail (NS 35/7,5, NS 35/15)
Color	Blue (RAL 5015)
Flammability Rating (UL 94)	V0
Insulating Material Group	I
Operating Temperature Range	-60 °C ... 105 °C
Rated Surge Voltage	6 kV
Degree of Pollution	3
Overvoltage Category	III
Material	Polyamide (PA)
Stripping Length	8 mm … 10 mm
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	3.09 x 3.15 x 4.57

Industrial Applications

1. Industrial Control Panel Wiring for PLCs and I/O Modules

In industrial control panels, complex wiring is required to distribute power and signals to various PLCs, I/O modules, and sensors. The PTFIX 12X2,5-NS35A BU distribution block can efficiently consolidate 12 connections, handling voltages up to 690V and currents up to 24A, simplifying wiring layout and reducing installation time.

Problem Solved

Reduces wiring complexity and installation time in densely packed control cabinets. The push-in technology ensures reliable, tool-free connections, minimizing potential wiring errors and maintenance. Its compact size and DIN rail mounting optimize cabinet space.

PLC wiringI/O distributioncontrol cabinetsignal marshallingpower distributionDIN rail mountingPush-in connectionspace optimization

2. Machine Building and Automation for Power Distribution to Actuators and Sensors

Modern machinery requires robust and flexible power and signal distribution to numerous actuators, sensors, and smaller motor drives. This 12-position blue distribution block provides a clear, reliable, and high-density connection point for up to 24A and 690V, suitable for various machine components in a wide temperature range.

Problem Solved

Facilitates flexible and modular power and control current distribution within machines. The high current and voltage ratings, combined with the wide operating temperature range (-60°C to 105°C), ensure reliable operation even in demanding machine environments. Tool-free push-in connections accelerate machine assembly.

Machine automationactuator powersensor connectivitymodular wiringhigh current capacityrobust connectionsflexible installationwide temperature range

3. Building Automation and HVAC Systems for Lighting and Small Motor Circuits

In building automation and HVAC systems, efficient distribution of power for lighting circuits, fan coil units, and other small motors is crucial. This blue distribution block can serve as a central connection point for 12 lines, providing secure and easily identifiable neutral connections (due to its blue color) for circuits up to 690V and 24A, mounted on standard DIN rails.

Problem Solved

Streamlines the distribution of power to multiple loads in commercial and industrial buildings. The identifiable blue color helps in quick identification of neutral lines, reducing commissioning time and improving safety. Its compact, DIN-rail mountable design saves space in electrical panels for HVAC and lighting controls.

Building management systemsHVAC controllighting circuitspower distributionneutral conductorDIN railspace-savingquick installation