Phoenix Contact PT 2,5-QUATTRO-MT Knife-disconnect Terminal Block

USD 9.45

Total:

Knife-disconnect terminal block, 400V/20A, with push-in connections for 0.14-4mm² (AWG 26-12) conductors. Operates from -60°C to 110°C.

MOQ: 50 pcs   >>   Order in multiples of 50
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Phoenix Contact PT 2,5-QUATTRO-MT Knife-disconnect Terminal Block

Model Identifier PT 2,5-QUATTRO-MT
Official Part Number 3210172
GTIN Standard NA

Technical Overview

Knife-disconnect terminal block, 400V/20A, with push-in connections for 0.14-4mm² (AWG 26-12) conductors. Operates from -60°C to 110°C.

Key Features

  • Push-in connection technology for easy and tool-free wiring of conductors.
  • Compact design and front connection facilitate wiring in confined spaces.
  • Equipped with an additional test pick-off in the double function shaft.
  • Rated for a nominal voltage of 400 V and a nominal current of 20 A.
  • Supports conductor cross-sections from 0.14 mm² to 4 mm² (AWG 26-12).
  • Mounts on NS 35/7,5 or NS 35/15 DIN rails for versatile installation.
  • Features knife-disconnect functionality for circuit isolation.

Push-in connection technology enables fast, tool-free wiring for solid and ferruled conductors, maximizing installation efficiency.

Technical Specification Matrix

ParameterValue
Product TypeDisconnect Terminal Block
Nominal Voltage400 V
Rated Surge Voltage6 kV
Nominal Current20 A
Nominal Cross Section2.5 mm²
Connection MethodPush-in connection
Conductor Cross-Section Rigid (min-max)0.14 mm² - 4 mm²
Conductor Cross-Section Flexible (min-max)0.14 mm² - 4 mm²
AWG (min-max)26 - 12
Stripping Length8 mm - 10 mm
Colorgray (RAL 7042)
Insulating MaterialPA (Polyamide)
Flammability Rating (UL 94)V0
Operating Temperature Range-60 °C ... 110 °C
Degree of Pollution3
Mounting TypeNS 35/7,5, NS 35/15 (DIN rail)
Number of Connections4
Number of Positions1
Physical Weight (kg)0
Dimensions L x W x H (cm)3.65 x 0.52 x 8.4

Industrial Applications

1. Industrial Control Panel Maintenance

This terminal block is ideal for quickly isolating individual control circuits within industrial panels for maintenance or troubleshooting without de-energizing the entire system.

Problem Solved

Engineers can safely and quickly disconnect specific signals (e.g., from sensors or actuators) using the 400V/20A knife-disconnect feature, facilitating fault isolation and reducing downtime during maintenance, while the push-in connection ensures robust re-connection.

400V20AKnife-disconnectPush-in connectionMaintenanceTroubleshootingCircuit isolation

2. Test and Measurement Systems

Applicable in test benches or measurement systems where various signals need to be routed and occasionally interrupted for calibration or modification purposes.

Problem Solved

The knife-disconnect function provides a convenient and secure way to break signal paths to insert measurement devices or reconfigure test setups, leveraging the 4-connection design for complex routing and the compact 5.2mm width for dense setups. It handles up to 400V/20A signals.

400V20AKnife-disconnectTest benchSignal routingCalibrationMeasurement

3. Flexible Machine Wiring in Automation

Suitable for automating machines where modules or components might need to be added, removed, or serviced, requiring a quick and reliable method to disconnect their electrical connections.

Problem Solved

For modular automation systems, the push-in knife-disconnect block allows for fast and tool-free installation and removal of components, ensuring connections up to 20A at 400V are secure and reliable, even in demanding environments with operating temperatures from -60°C to 110°C.

Push-in connectionKnife-disconnectModular automationMachine wiringQuick disconnect400V20A-60°C to 110°C
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