Din rail & fuse holders 3 pole din rail fuseholder

A three-pole DIN-rail fuseholder from Techspan's DIN Rail range, part number 31113. It gangs three fused poles into a single carrier so a three-phase branch can be fused and isolated in one movement, on the same rail as the rest of the panel.

Why a ganged carrier is an isolation decision, not a space saving

On a three-pole holder the carriers are hinged together, so pulling the assembly opens all three phases at once. That is the behaviour you want on a motor branch or a three-phase control transformer primary, where leaving one leg live is the dangerous outcome. It is the behaviour you do not want if the panel is built so a technician needs to lift a single leg for testing — in that case three single-pole holders ganged on the rail is the better build.

Techspan's published data for 31113 is limited to the description, the family and the selling unit. There is no fuse body size, no voltage or current rating and no rail profile on the product page, and we are not going to invent them. Techspan does list indicating versions alongside the plain holders in the same DIN rail range, so if you want a blown-fuse flag, ask for that part number rather than assuming this one has it.

Specifications

Best for: panel builders fusing three-phase branch circuits on DIN rail where all three legs should open together.

Common questions

What fuse does the 31113 take?
Techspan does not publish the fuse body size or rating for this holder on its product page, so confirm the body size with Techspan before you order fuses to suit it.

Can it be used on a single-phase circuit?
It can, but you are paying for three poles and giving up rail width. A one-pole or two-pole holder from the same Techspan DIN rail range is the cheaper and tidier fit for single-phase work.

Is there a version with a blown-fuse indicator?
Yes. Techspan lists indicating versions alongside the plain holders in the same DIN rail range, so ask for the indicating part number if you want a visual flag on the carrier.

Does pulling the carrier open all three phases?
On a three-pole ganged holder the carriers move together, which is the behaviour you want on a motor branch where leaving one leg energised would be the dangerous outcome.