LEGRAND 21501 Fuse Disconnector SP51, 1-Pole, 32 A, 400 V AC, for 10x38 mm Cylindrical Fuse Links, DIN Rail Mount

This LEGRAND fuse disconnector provides a dedicated single-pole disconnection point for cylindrical fuse links, sized 10x38 mm, on a standard DIN rail. Its compact 1-module width conserves space in distribution boards while supporting rated currents up to 32 A at 400 V AC.

Highlights

• 1-pole design for single-phase circuits
• Compatible with 10x38 mm cylindrical fuse links
• Rated current: 32 A; rated voltage: 400 V AC
• Mounts on DIN rail EN 60715; width: 1 module (17.5 mm)
• Screw terminals accept rigid conductors 1.5–16 mm² and flexible conductors 1.5–10 mm²

In daily use

The disconnector enables safe isolation and fuse replacement without disturbing adjacent modules. Its thermoplastic housing in light grey/white blends with standard installations, and the screw terminals provide secure, maintenance-friendly connections.

Full specifications

• Product type: Fuse disconnector
• Number of poles: 1
• Rated current: 32 A
• Rated voltage (AC): 400 V
• Fuse type compatibility: Cylindrical fuse links
• Compatible fuse size: 10x38 mm
• Mounting type: DIN rail (EN 60715)
• Module width: 1 module (17.5 mm)
• Protection degree: IP20
• Rated insulation voltage (Ui): 500 V
• Rated impulse withstand voltage (Uimp): 4 kV
• Standard: EN 60947-3
• Terminal type: Screw terminals
• Terminal capacity (rigid): 1.5–16 mm²
• Terminal capacity (flexible): 1.5–10 mm²
• Operating temperature: -25 to +60 °C
• Material: Thermoplastic
• Color: Light grey / White

Final note

A space-efficient, reliable fuse disconnector for DIN rail installations, engineered for 10x38 mm cylindrical fuse links up to 32 A.