Series 503SI Fused terminal blocks - 20mm x 5mm fuses
Series 503SI fused terminal blocks are available in unearthed versions from 1 to 5 poles and earthed versions from 3 to 5 poles.
A common dovetail enables mixed assemblies to be constructed by clipping on additional 1 pole lengths to provide multiple versions of fused and unfused terminals.
All variations can be supplied with or without wire protectors.
Earth Screws & Washers (Optional)
Screws: 503SIES – M3 x 12, Posi
Washers: 503SITW – M3
|Mouldings:||nylon 6.6(PA6/6), grey, UL94 V2,
|Screws:||M3 steel, zinc plated, chromed|
|Screw tightening torque:||max: 0.5 Nm|
|Temp. limits:||max short term: 160º C
continuous: 100º C
|Current rating:||to EN 60 127-6: fuseholders: 10A
to EN 60 598: terminal blocks: 16A
to EN 60 998: terminal blocks: 24A
|Voltage rating:||terminal blocks: 380v
|Conductor size:||without wire protectors: up to 6mm2
with wire protectors: up to 2.5mm2
|Wire stripping length:||7mm2 – 7.5mm2|
|Fuse size:||20mm x 5mm|
|Fixing centres:||peg to earth screw: 15mm
peg to fixing hole: 20mm
Glow wire options available for installations in accordance with
EN 60 335-1 upon request.
Marking: special printing available. Please provide sketch.
High temperature: details on request.