Series 503SI Fused terminal blocks - 20mm x 5mm fuses
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Features
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
Technical Details
| Mouldings: | nylon 6.6(PA6/6), grey, UL94 V2, (fuseholder black) |
| Inserts: | brass, tinned |
| 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 fuseholders: 250v |
| 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.
Options
Marking: special printing available. Please provide sketch.
High temperature: details on request.
Covers
Fuses
