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Weidmuller 1020000000 terminal block

Manufacturer: Weidmüller
Model: 1020000000 WDU 2.5 Feed-Through Terminal Block
Type: Single-level feed-through, screw connection
Rated Cross-Section: 2.5 mm²
Rated Voltage / Current: 800 V / 24 A (IEC)
Housing: Wemid plastic, dark beige, 5.1 mm wide

Product Description

The Weidmüller 1020000000 (WDU 2.5) is the classic, ultra-reliable feed-through terminal block from the W-Series — one of the most widely used screw-connection terminals worldwide. With secure screw clamping, high vibration resistance and full compatibility with DIN-rail mounting, it is the go-to choice for industrial control panels, switchgear, machine building and automation wiring. Ideal for connecting 0.5–4 mm² conductors, it offers excellent contact reliability and easy installation in dense applications.

Standard Features

  • 2.5 mm² rated cross-section: Handles wires from 0.5–4 mm² (30–12 AWG) — perfect for signal and power wiring.

  • 24 A / 800 V rating: High current/voltage capacity for most control and low-power circuits.

  • Screw connection: Reliable, vibration-proof clamping — maintenance-free in harsh environments.

  • Compact 5.1 mm width: Saves space on DIN rails while maintaining full functionality.

  • Global approvals: IEC, UL, CSA certified — accepted in industrial panels worldwide.

  • Full accessory range: Compatible with standard Weidmüller markers, jumpers, end plates and test accessories.

Technical Specifications

ParameterValue
TypeFeed-through terminal block, single-level
Order Number1020000000 (WDU 2.5)
Rated Cross-Section2.5 mm² (0.5–4 mm² usable)
Rated Voltage (IEC)800 V
Rated Current (IEC)24 A
Connection TypeScrew connection
Width5.1 mm
Mounting35 mm DIN-rail (NS 35/7.5 or NS 35/15)

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