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Reliable Automation Control Component ZSI 2.5

The Weidmüller ZSI 2.5 is a fuse terminal block from the Z Series, designed for protecting circuits in industrial control cabinets . It combines a tension-clamp (spring) connection for reliable, vibration-proof wiring with a pivoting fuse holder for 5 x 20 mm cartridge fuses, enabling quick fuse replacement without loosening the wiring.

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Technical Specifications Parameter Value/Description Order No. 1616400000 Type ZSI 2.5 Product Type Fuse terminal block / Fuse terminal Series Z Series Rated Cross-section 2.5 mm² Dimensions Parameter Value/Description Width 7.9 mm Height 79.5 mm Depth 73 mm (74 mm on DIN rail) Net Weight 19.54 g Electrical Specifications (IEC) Parameter Value/Description Rated Voltage 500 V Rated Current 6.3 A (dependent on fuse element) Rated Impulse Withstand Voltage 6 kV Volume Resistivity 1.33 mΩ Power Loss per Pole 0.77 W Pollution Severity 3 Connection Data Parameter Value/Description Number of Connections 2 Number of Levels 1 Termination Style Tension-clamp connection (spring clamp) Wire Gauge (AWG) 26 - 12 AWG Wire Gauge (mm²) 0.13 - 4 mm² Solid Core (max.) 4 mm² Fine-stranded with ferrule (max.) 2.5 mm² Stripping Length 10 mm Blade Size 0.6 x 3.5 mm Connection Direction Inclined / angled Fuse Specifications Parameter Value/Description Cartridge Fuse Type G-Si. 5 x 20 mm (5 x 20) Maximum Operating Voltage 500 V Maximum Current 6.3 A Fuse Holder Pivoting Display / Indicator Without LED (standard version) Material Specifications Parameter Value/Description Insulation Material Wemid Colour Dark beige / Deep brown Flammability Rating (UL 94) V-0 Mounting & System Specifications Parameter Value/Description Mounting Type Snap-on to TS 35 DIN rail End Plate Required Yes Open Sides Right PE Connection No Cross-connection Available Yes (via plug-in cross-connectors) Standards IEC 60947-7-3