Phoenix Contact PT 2,5-3L Multi-level Terminal Block

Technical Overview

3-level Push-in terminal block, 500V/20A, 0.14-4mm² wire, -60°C to 85°C operating temp. Compact 5.2mm width for DIN rail.

Key Features

Multi-level design with 3 levels and 6 connections for high-density wiring.
Nominal voltage of 500 V and nominal current of 20 A.
Accommodates conductor cross-sections from 0.14 mm² to 4 mm² (AWG 26 - 12).
Vibration-resistant and maintenance-free conductor connection for enhanced reliability.
Mounting on NS 35/7.5 or NS 35/15 DIN rails for standard industrial integration.
Compact design with a width of 5.2 mm for high space savings in control cabinets.
Compatible with CLIPLINE complete bridging, marking, and testing accessories.
Tested for railway applications (IEC 60947-7-1, DIN EN 45545-2 R22/R23/R24/R26 HL 1-HL 3).
Operating temperature range from -60°C to 85°C.

Technical Specification Matrix

Parameter	Value
Nominal Voltage	500 V
Nominal Current	20 A
Max. Load Current	24 A (with 4mm² rigid conductor)
Rated Cross-Sectional Area	2.5 mm²
Conductor Cross-Section (Rigid & Flexible)	0.14 mm² to 4 mm² (AWG 26 - 12)
Connection Method	Push-in connection
Mounting Type	DIN Rail NS 35/7,5, NS 35/15
Color	Gray
Number of Levels	3
Number of Connections	6 (2 per level)
Stripping Length	8 mm - 10 mm
Rated Surge Voltage	6 kV
Overvoltage Category	III
Degree of Pollution	3
Insulating Material	PA (Polyamide), Group I, UL 94 V0
Operating Temperature	-60°C to 85°C
Maximum Power Dissipation	0.77 W
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	10.22 x 0.52 x 5.65

Industrial Applications

1. Industrial Control Panels (Space-Constrained)

This terminal block is ideal for integrating multiple electrical circuits within compact industrial control panels where space optimization is critical. Its multi-level, 5.2 mm wide design maximizes connection density on DIN rails.

Problem Solved

Efficiently terminates multiple circuits in confined spaces, reducing overall panel size and complexity. The compact 3-level design and narrow width allow for high-density wiring on DIN rails.

High-density wiringCompact control panelDIN rail mountingSpace-savingMulti-circuit integration

2. Railway Signaling and Control Systems

Due to its certification for railway applications (DIN EN 45545-2) and robust construction, this block provides reliable and vibration-resistant electrical connections for critical power and signal distribution in railway infrastructure, handling temperatures from -60°C to 85°C.

Problem Solved

Ensures stable and secure electrical connections in harsh railway environments, mitigating risks from vibration and extreme temperatures. Its railway certification provides compliance and reliability.

Railway certifiedVibration-resistantWide operating temperatureSignal distributionPower distributionDIN rail

3. Machine Building Multi-Circuit Power and Signal Wiring

The block facilitates organized and rapid wiring for machines with complex electrical systems, handling 500V/20A power. Its 3-level design allows for segregation or commoning of different potentials (e.g., control voltage, sensor signals) within a single compact footprint.

Problem Solved

Simplifies and speeds up the wiring process in machine construction, allowing for efficient management of diverse power and signal circuits. Push-in connections reduce assembly time and potential errors.

Multi-circuit wiringMachine controlPower distributionSignal routingPush-in technology500V system