型号：EEx STM 295
.Steute防爆磁开关
功能特性
防爆1区，2区，21区，22区
热塑性外壳
双绝缘
技术参数
Standards: IEC/EN 60947-5-1; EN 1088;
EN 60079-0; EN 60079-15;
EN 61241-0; EN 61241-1
Enclosure glass-fibre reinforced, shock-resistant thermoplastic, self-extinguishing UL 94-V0
Actuator stainless steel 1.4301
Switch insert Ex 95
Protection class IP 67 according to EN 60529
Contact material silver
Switching system slow action, NC contact with positive break
Switching elements 2 NC and 2 NO contacts with positive break, galvanically separated contact bridges
Termination M3 screw clamps
Cable section max. 1.5 mm2 (incl. conductor ferrules)
Cable entries 2 x M20 x 1.5 for cable section 5 … 9 mm
Cable length -
Uimp 4 kV
Ui 250 V
Ithe 4 A
Ie/Ue 4 A/250 VAC; 0.25 A/230 VDC
Utilisation category AC-15, DC-13
Max. fuse rating 6 A gL/gG D-fuse
Us 24 VDC
Magnet 100 % ED
Unlocking 100 % ED
Power consumption max. 47 W
Ambient temperature –20 °C … +55 °C
Mechanical life > 1 million operations
Holding force F max. 1000 N
Holding force of integrated ball catch -
Ex certification II 3G Ex nR IIC T4,
II 3D Ex tD A22 IP67 T100°C
