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Metway 503SI Series 3-pole Fused Terminal Blocks for 20 x 5mm Fuses

Metway Brand: Metway

These 3-way terminal blocks from Metway's 503SI series have a built-in 20 x 5mm fuse holder.

  • Fuse size 20 x 5mm
  • Current ratings: fuse holder : 10A; terminal block: 16A
  • Voltage ratings: fuse holder: 250V; terminal block: 380V
  • Conductor size: 6mm² (without wire protectors); 2.5mm² (with wire protectors)
  • Body moulding: UL94 V2 rated grey nylon 6.6 (PA6/6)
  • VDE and UL approved
  • Metway 503SI series
Description Image Product Buy Pricing (Ex VAT) Body Style Current Rating Mounting Number of Ways Pitch Series Termination Wire Gauge
Metway 503SI03E 20 x 5mm Fused Terminal Block
Metway 503SI03E 20 x 5mm Fused Terminal Block
Standard range
Order code: 21-0720
MPN: 503SI03E

209 in stock, despatched same dayAdditional 709 due on 07/11/2025
1+ £2.02
10+ £1.50
100+ £1.19
Price per unit Ex VAT 		Fused terminal block 10A Screw 3 10mm 503SI Screw 22 to 12AWG
Metway 503SI03EDS 20 x 5mm Fused Earthed Terminal Block with Wire Protector
Metway 503SI03EDS 20 x 5mm Fused Earthed Terminal Block with Wire Protector
Standard range
Order code: 21-0722
MPN: 503SI03EDS

13 in stock, despatched same dayAdditional quantity lead time 4 weeks
1+ £1.98
10+ £1.66
100+ £1.26
Price per unit Ex VAT 		Fused terminal block 10A Screw 3 10mm 503SI Screw 22 to 12AWG
Metway typeEarth connectionWire protectorsOrder code
503SI03EYesNo21-0720
503SI03DSNoYes21-0721
503SI03EDSYesYes21-0722


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