// EXPLOSION PROTECTION

EEx ST 14

Technical data

Standards: IEC/EN 60947-5-1; EN 1088; EN 50014; EN 50018; EN 50281-1-1
Enclosure glass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94-V0
Actuator stainless steel 1.4301
Switch insert -
Protection class IP 65 according to EN 60529
Contact material silver
Switching system slow action, positive break NC contact Zwangsöffnung
Switching elements changeover contact with double break Zb or 2 NC contacts, galvanically separated contact bridges
Connection cable H05VV-F 4 x 0.75 mm2
B10d(10% Load) 2 million
M 10 years
Cable section 4 x 0,75 mm2
Cable length 1, 2, 5 und 10 m
Uimp 4 kV
Ui 250 V
Ithe 6 A
Ie/Ue 6 A/250 VAC; 4 A/24 VDC; 0.25 A/230 VDC
Utilisation category AC-15, DC-13
Max. fuse rating 6 A gL/gG D-fuse
Positive break travel 1NC/1NO, 2NC: 8 mm , 1NC/1NO with overlapping: 9,5mm
Positive break force -
Ambient temperature –20 °C … +65 °C
Mechanical life > 1 million operations
Ex certification EEx geprüft II 2G EEx d IIC T6, II 2D IP65 T80°C
Approvals PTB 03 ATEX 1070 X

Contact variants

  Slow action   
1 NC/1 NO contact
EEx ST 14 1Ö/1S
1 NC/1 NO contact with overlapping
EEx ST 14 UE
2 NC contacts
EEx ST 14 2Ö

    Actuating radius