Ex ZS 75 NA Mining


  • Device group I (Mining)
  • Equipment category M2
  • Metal enclosure
  • 2 contacts

Technical data

StandardsEN 60947-5-1; EN ISO 13849-1; EN 60079-0, -1, -7, -11; EN 50303
Enclosurezinc die-cast, enamel finish
Coverzinc die-cast, enamel finish
Switch insertEx 95
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO contact or 2 NC contacts
Connectionscrew connection terminals
Cable cross-sectionmax. 1.5 mm² (incl. conductor ferrules)
Cable entry2 x M20 x 1.5
B10d (10 % Load)12 100
TMmax. 20 years
Uimp4 kV
Ui250 V
Ithe6 A
Ie/Ue6 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating6 A gG/gN fuse
Ambient temperature–20 °C … +60 °C
Mechanical life> 6050 operations
Ex marking I M2 Ex db eb I Mb
ApprovalsOBAC 10 ATEX 264X

Stock types

Ordering details

Slow action

1 NC/1 NO contact

Type   Material no.
Ex ZS 75 NA 1Ö/1S-de (Mining) 1185443

Slow action

2 NC contact

Type   Material no.
Ex ZS 75 NA 2Ö-de (Mining) 1186553