<?xml version="1.0" encoding="utf-8"?>
<!-- Created by:  XBRL Wizard, EasyX -->
<!-- Document created: 28-06-2024 13:54:51 -->
<!-- Version:  -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd http://www.w3.org/1999/xlink http://www.xbrl.org/2003/xlink-2003-12-31.xsd http://xbrl.org/2008/label http://www.xbrl.org/2008/generic-label.xsd http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd" xmlns:gen="http://xbrl.org/2008/generic" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:label="http://xbrl.org/2008/label">
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/link" xlink:type="simple" xlink:href="http://www.xbrl.org/2008/generic-link.xsd#standard-link-role" />
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/label" xlink:type="simple" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#standard-label" />
  <link:arcroleRef arcroleURI="http://xbrl.org/arcrole/2008/element-label" xlink:type="simple" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#element-label" />
  <gen:link xlink:type="extended" xlink:role="http://www.xbrl.org/2008/role/link">
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_ias_1_role-320000" xlink:label="ias_1_role-320000" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_ias_1_role-320000_sv" xml:lang="sv" id="label0_sectra_ias_1_role-320000_sv">[320000] Rapport över totalresultat, resultat, med kostnadsslagsindelning</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ias_1_role-320000" xlink:to="label0_sectra_ias_1_role-320000_sv" xlink:title="label: ias_1_role-320000 to labellabel0_sectra_ias_1_role-320000_sv" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_ias_1_role-410000" xlink:label="ias_1_role-410000" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_ias_1_role-410000_sv" xml:lang="sv" id="label0_sectra_ias_1_role-410000_sv">410000] Rapport över totalresultat, OCI-komponenter som redovisas efter avdrag för skatt</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ias_1_role-410000" xlink:to="label0_sectra_ias_1_role-410000_sv" xlink:title="label: ias_1_role-410000 to labellabel0_sectra_ias_1_role-410000_sv" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_ias_1_role-210000" xlink:label="ias_1_role-210000" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_ias_1_role-210000_sv" xml:lang="sv" id="label0_sectra_ias_1_role-210000_sv">[210000] Rapport över finansiell ställning, omsättningstillgångar/anläggningstillgångar, kortfristiga/långfristiga skulder</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ias_1_role-210000" xlink:to="label0_sectra_ias_1_role-210000_sv" xlink:title="label: ias_1_role-210000 to labellabel0_sectra_ias_1_role-210000_sv" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_ias_7_role-520000" xlink:label="ias_7_role-520000" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_ias_7_role-520000_sv" xml:lang="sv" id="label0_sectra_ias_7_role-520000_sv">[520000] Rapport över kassaflöden, indirekt metod</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ias_7_role-520000" xlink:to="label0_sectra_ias_7_role-520000_sv" xlink:title="label: ias_7_role-520000 to labellabel0_sectra_ias_7_role-520000_sv" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_ias_1_role-610000" xlink:label="ias_1_role-610000" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_ias_1_role-610000_sv" xml:lang="sv" id="label0_sectra_ias_1_role-610000_sv">[610000] Rapport över förändringar i eget kapital</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="ias_1_role-610000" xlink:to="label0_sectra_ias_1_role-610000_sv" xlink:title="label: ias_1_role-610000 to labellabel0_sectra_ias_1_role-610000_sv" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_esef_role-000000" xlink:label="esef_role-000000" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_esef_role-000000_sv" xml:lang="sv" id="label0_sectra_esef_role-000000_sv">[000000] Taggar som måste tillämpas om motsvarande information finns i en rapport</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="esef_role-000000" xlink:to="label0_sectra_esef_role-000000_sv" xlink:title="label: esef_role-000000 to labellabel0_sectra_esef_role-000000_sv" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="sectra-2024-04-30.xsd#sectra_Anchoring-999999" xlink:label="sectra_Anchoring-999999" />
    <label:label xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="label0_sectra_Anchoring-999999_en" xml:lang="en" id="label0_sectra_Anchoring-999999_en">[999999] Anchoring - wider-narrower</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="sectra_Anchoring-999999" xlink:to="label0_sectra_Anchoring-999999_en" xlink:title="label: sectra_Anchoring-999999 to labellabel0_sectra_Anchoring-999999_en" order="1.0" />
  </gen:link>
</link:linkbase>