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WEIDMULLER 1880390000 Fuse Terminal Block

The Weidmüller WSI 4/2/LD 140-250V AC/DC fuse terminal block provides a high-reliability connection with clamping yoke technology, simplifying planning and optimizing operational safety. It is designed for a wide range of applications, including power distribution, control circuits, and automation systems. The terminal block supports various conductor sizes and offers features like LED indication and fuse holder options for enhanced safety and monitoring. Its robust construction and compliance with industry standards ensure long-lasting performance in demanding industrial environments.

Authorized Distributors
Source:DigiKey
Part No:1880390000
Stock:9
Inv Date:06-12-2026
Price: Unit price: $32.23
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Part No:1880390000
Stock:52
Inv Date:06-13-2026
Price: Unit price: $31.31
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Part No:1880390000
Stock:14
Inv Date:06-12-2026
Price: Unit price: $30.85
Buy/RFQ:
Part No:1880390000
Stock:14
Inv Date:06-12-2026
Price: Unit price: $30.85
Buy/RFQ:

WEIDMULLER 1880390000 Fuse Terminal Block Specifications:

  • Type: WSI 4/2/LD 140-250V AC/DC
  • Order No.: 1880390000
  • Version: Screw connection, Fuse isolator, with LED, One end without connector
  • GTIN(EAN): 4032248544660
  • Quantity: 25 pc(s).
  • Width: 9.1 mm
  • Height: 81.6 mm
  • Depth: 53.5 mm
  • Net weight: 23.08 g
  • Width(inches): 0.358 inch
  • Height(inches): 3.213 inch
  • Depth(inches): 2.106 inch
  • Storage temperature,max.: 55 °C
  • Storage temperature: -25 °C...55 °C
  • Continuous operating temp., max.: 120 °C
  • Storage temperature,min.: -25 °C
  • Continuous operating temp.,min.: -50 °C
  • Material: Wemid
  • UL 94 flammability rating: V-0
  • Colour: black
  • Number of potentials: 1
  • Number of clamping points per level: 2
  • Levels cross-connected internally: No
  • Rail: TS 35, TS 32
  • PE function: No
  • End cover plate required: Yes
  • Number of levels: 1
  • Number of potentials per tier: 1
  • PE connection: No
  • N-function: No
  • PEN function: No
  • Wire connection cross section, finely stranded, two clampable wires, min.: 0.5 mm²
  • Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, min.: 0.5 mm²
  • Wire cross-section, finely stranded, two clampable wires, max.: 1.5 mm²
  • Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, max.: 1.5 mm²
  • Number of similar terminals: 1
  • Type of mounting: Snap-on
  • Open sides: right
  • Certificate No.(CSA): 200039-1575489
  • Wire cross section min. (CSA): 30 AWG
  • Wire cross section max.(CSA): 10 AWG
  • Blade size: 0.6 x 3.5 mm
  • Clamping range, min.: 0.5 mm²
  • Connection cross-section, stranded, max.: 6 mm²
  • Connection direction: on side
  • Number of connections: 2
  • Tightening torque, max.: 0.8 Nm
  • Torque level with DMS electric screwdriver: 2
  • Wire connection cross section AWG, max.: AWG 10
  • Wire connection cross section, finely stranded, max.: 6 mm²
  • Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, min.: 0.5 mm²
  • Wire connection cross-section, solid core, max.: 6 mm²
  • Clamping range, max.: 6 mm²
  • Clampingscrew: M 3
  • Connection cross-section, stranded, min.: 1.5 mm²
  • Gauge to IEC 60947-1: A3
  • Stripping length: 10 mm
  • Tightening torque, min.: 0.5 Nm
  • Type of connection: Screw connection
  • Wire connection cross section AWG, min.: AWG 22
  • Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, max.: 4 mm²
  • Wire connection cross-section, solid core, min.: 0.5 mm²
  • TS 35 offset: 25 mm
  • Operating voltage for display, max.: 500 V
  • Type of voltage for indicator: AC/DC
  • Cartridge fuse: 6.3 x 32 mm (1/4 x 1 1/4")
  • Fuse holder(cartridge holder): Pivoting
  • Power loss for overload and short-circuit protection for a composite arrangement: 1.6 W at 1.0 A @ 41°C
  • Power loss for short-circuit protection only for an individual arrangement: 4.0 W at 10 A @ 55°C
  • Display: Red LED
  • Operating voltage, max.: 250 V
  • Power loss for short-circuit protection only for a composite arrangement: 2.5 W at 2.5 A @ 68°C
  • Rated cross-section: 4 mm²
  • Rated voltage to adjoining terminal: 500 V
  • Current at maximum wires: 6.3 A
  • Volume resistance according to IEC 60947-7-x: 1 mΩ
  • Rated impulse withstand voltage: 6 V
  • Rated voltage: 250 V
  • Rated current: 6.3 A
  • Standards: IEC 60947-7-3
  • Power loss in accordance with IEC 60947-7-x: 1.02 W
  • Certificate No. (cURus): E60693
  • Conductor size Factory wiring min. (cURus): 30 AWG
  • Conductor size Field wiring min. (cURus): 30 AWG
  • Conductor size Factory wiring max. (cURus): 10 AWG
  • Conductor size Field wiring max. (cURus): 10 AWG

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