Phoenix Contact UT 6-MTL Knife Disconnect Terminal Block

Technical Overview

500V/20A knife disconnect terminal, 0.2-10mm² wire, screw connection, DIN rail mount, maintenance-free.

Key Features

Knife disconnect functionality with actuation latch for safe circuit isolation.
Screw connection method for reliable and maintenance-free conductor termination.
Accommodates a wide range of wire cross-sections from 0.2 mm² to 10 mm² (8-24 AWG).
Designed for DIN rail mounting (NS 35/7.5 and NS 35/15) for easy installation.
Features a double bridge shaft for individual potential distribution and supply.
Flexible plug-in bridge system allows for quick and standardized potential distribution.
Gray color (RAL 7042) for standard industrial identification.

Technical Specification Matrix

Parameter	Value
Nominal Voltage (IEC)	500 V
Nominal Voltage (UL/CSA)	600 V
Nominal Current (IEC)	20 A
Nominal Current (UL/CSA)	16 A
Wire Cross Section Range	0.2 mm² - 10 mm² (8-24 AWG)
Connection Method	Screw Connection
Number of Positions	2
Number of Levels	1
Disconnect Type	Knife Disconnect
Mounting Type	DIN Rail (NS 35/7.5, NS 35/15)
Color	Gray (RAL 7042)
Rated Impulse Voltage (Uimp)	6 kV
Stripping Length	10 mm
Insulation Material	Polyamide (PA), Nylon
Flammability Rating	UL94 V-0
Series	CLIPLINE UT
Physical Weight (kg)	0
Dimensions L x W x H (cm)	5.78 x 0.82 x 4.91

Industrial Applications

1. Industrial Control Panel Maintenance

The UT 6-MTL knife-disconnect terminal block is ideal for isolating individual circuits within industrial control panels. Its 500V/20A rating and knife-disconnect feature ensure safe and efficient power cut-off for maintenance or troubleshooting tasks.

Problem Solved

Prevents accidental power flow and enhances operator safety during electrical maintenance by allowing quick, visible isolation of specific circuits, reducing overall system downtime.

500V20AKnife DisconnectDIN RailCircuit IsolationMaintenance

2. Automated Test and Measurement Systems

In automated test benches or calibration setups, this terminal block provides a reliable means to temporarily connect or disconnect power and signal lines up to 500V and 20A. Its screw connection accommodates 0.2-10mm² wires for secure interfacing.

Problem Solved

Offers a repeatable and robust method for circuit interruption, crucial for precise measurements, fault injection, or reconfiguring test sequences without complex rewiring.

500V20AKnife DisconnectScrew ConnectionTest PointsAutomation

3. Modular Power Distribution in Machine Building

This terminal block facilitates flexible and modular power distribution in complex industrial machinery. With its 500V/20A capacity and ability to handle 0.2-10mm² conductors, it allows for independent energization or de-energization of machine modules.

Problem Solved

Provides enhanced modularity and simplifies power circuit reconfigurations during machine upgrades, custom builds, or detailed fault diagnosis, improving operational flexibility and reducing integration time.

500V20A0.2-10mm² wireKnife DisconnectFlexible BridgingMachine Control