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🔌 Weidmüller WDU 4 (1020100000) – 4 mm² DIN Rail Terminal Block with Screw Connection

Built for industrial reliability and compact wiring, the Weidmüller WDU 4 terminal block offers secure screw-type connections for control panels, automation systems, and power distribution. With a slim 6.1 mm profile and 800 V rating, it’s ideal for space-constrained DIN rail assemblies.

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✅ Key Features & Technical Specifications

• Part Number: 1020100000
• Model: WDU 4
• Type: Feed-through terminal block
• Connection Method: Screw clamp
• Rated Cross-Section: 4 mm²
• Wire Gauge Range:
  • Solid: 0.5–6 mm²
  • Stranded (with ferrules): 0.5–1.5 mm²
  • AWG: 10–26
• Rated Voltage:
  • IEC: 800 V
  • UL: 600 V
• Rated Current:
  • IEC: 32 A
  • UL: 35 A
• Mounting: TS 35 DIN rail
• Housing Material: Wemid (UL 94 V-0 flame retardant)
• Color: Dark beige
• Dimensions:
  • Width: 6.1 mm
  • Height: 60 mm
  • Depth: 46.5 mm
• Stripping Length: 10 mm
• Protection Class: IP20 (when installed)
• Environmental Ratings:
  • Operating Temp: –60°C to +130°C
  • Storage Temp: –25°C to +55°C
• Compliance:
  • RoHS: Compliant
  • REACH: No SVHC above 0.1%
  • UL File No.: E60693
  • ATEX: DEMKO14ATEX1338U
  • IECEx: IECEXULD14.0005U
• Carbon Footprint: 0.304 kg CO₂eq (cradle to gate)

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🔁 Related Models in the WDU Series

Model Code	Part Number	Cross-Section	Width	Notes
WDU 2.5	1020000000	2.5 mm²	5.1 mm	Compact variant
WDU 6	1020200000	6 mm²	8.1 mm	Higher current capacity
WDU 10	1020300000	10 mm²	10.1 mm	For power distribution
WDU 4/PE	1020101000	4 mm²	6.1 mm	Ground terminal version

All models are DIN rail mountable and support modular accessories like end plates, cross-connectors, and test plugs.

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📦 Why Choose Weidmüller WDU 4?

• Slim 6.1 mm profile for dense wiring layouts
• High voltage and current ratings for industrial control systems
• Screw clamp connection ensures vibration-resistant contact
• UL, ATEX, and IECEx certified for global compliance
• Modular accessory support for flexible panel design

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