Weidmuller WDU 6 Feed-Through Terminal Block

Technical Overview

The Weidmüller WDU 6 (Part Number: 1020200000) is a high-performance feed-through terminal block designed for robust industrial connectivity. Featuring Weidmüller's proven Klippon® Connect clamping yoke technology, this single-level terminal block ensures secure, vibration-resistant connections for conductors up to 10 mm². It is rated for 800 V and 41 A (IEC), making it suitable for a wide range of power and signal distribution applications. The unit is mounted on a TS 35 DIN rail and constructed from Wemid, a high-quality insulating material with a UL 94 V-0 flammability rating and continuous operating temperature stability up to 130°C.

Key Features

Patented Klippon® Connect clamping yoke technology for gas-tight, vibration-resistant connections
High current rating of 41 A and voltage rating of 800 V (IEC)
Wide operating temperature range from -60 °C to +130 °C
Constructed from Wemid insulating material (UL 94 V-0) for superior thermal stability
Supports a broad clamping range from 0.22 mm² to 10 mm² (26-8 AWG)
Compact design with a width of 7.9 mm for space-saving DIN rail mounting

Technical Specification Matrix

Technical Parameter	Specification
Version	Feed-through terminal block, Screw connection
Order No.	1020200000
Type	WDU 6
Width (inches)	0.311 inch
Height (inches)	2.362 inch
Depth (inches)	1.831 inch
Depth including DIN rail	47 mm
Storage temperature	-25 °C...55 °C
Ambient temperature	-60 °C...85 °C
Continuous operating temp., min.	-60 °C
Continuous operating temp., max.	130 °C
Material	Wemid
Color	dark beige
UL 94 flammability rating	V-0
Certificate No. (ATEX)	DEMKO14ATEX1338U
Certificate No. (IECEX)	IECEXULD14.0005U
Max. voltage (ATEX)	690 V
Current (ATEX)	41 A
Wire cross section max. (ATEX)	10 mm²
Marking EN 60079-7	Ex eb II C Gb
End cover plate required	Yes
Number of potentials	1
Number of levels	1
Number of clamping points per level	2
Rail	TS 35
Rated cross-section	6 mm²
Rated voltage	800 V
Rated current	41 A
Current at maximum wires	57 A
Volume resistance according to IEC 60947-7-x	0.78 mΩ
Rated impulse withstand voltage	8 kV
Power loss in accordance with IEC 60947-7-x	1.31 W
Pollution severity	3
Connection type	Screw connection
Stripping length	12 mm
Clamping screw	M 3.5
Tightening torque, min.	0.8 Nm
Tightening torque, max.	1.6 Nm
Clamping range, min.	0.22 mm²
Clamping range, max.	10 mm²
Wire connection cross section AWG, min.	AWG 26
Wire connection cross section AWG, max.	AWG 8
Wire connection cross section, solid, min.	0.5 mm²
Wire connection cross section, solid, max.	10 mm²
Wire connection cross section, stranded, min.	1.5 mm²
Wire connection cross section, stranded, max.	10 mm²
Wire connection cross section, finely stranded, min.	0.5 mm²
Wire connection cross section, finely stranded, max.	10 mm²
Width	7.9 mm
Height	60 mm
Depth	46.5 mm
Blade size	0.8 x 4.0 mm
Net weight	12.75 g

Industrial Applications

1. Industrial Control Cabinet Power Distribution

Used as a central distribution point for distributing main power lines to various DIN-rail mounted components such as relays, PLCs, and power supplies within control cabinets.

Problem Solved

Enables efficient, high-current (up to 41A) power routing in a compact 7.9mm width, maximizing rail space while ensuring reliable electrical contact under load.

DIN railpower distribution41A ratingcontrol cabinetscrew connection

2. Process Industry Marshaling Cabinets

Deployed in marshaling panels to interconnect field devices (sensors, actuators) with control systems in processing plants, specifically in harsh environmental conditions.

Problem Solved

Provides a robust, vibration-proof connection interface that withstands extreme temperature fluctuations (-60°C to +130°C) common in petrochemical and processing industries.

marshaling cabinetprocess automationvibration resistanceextreme temperaturefield wiring

3. Heavy Machinery Motor & Drive Wiring

Facilitates the connection of power cables for motors and variable frequency drives (VFDs) in heavy-duty industrial machinery.

Problem Solved

Handles high voltage requirements (800V) and mechanical stress associated with heavy equipment, ensuring safety and preventing connection loosening over time.

motor wiring800V ratedheavy machineryclamping yokemechanical strength