Ex STM 295

特征/选项

  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • Double insulated
  • Two Ex switch inserts in one enclosure
  • Spring-to-lock or power-to-lock principle
  • Holding force 1000 N
  • Wiring compartment
  • Actuator can be repositioned by 90° on request
  • Special version only for gas Ex zone 2 and dust Ex zone 22 available
  • N.B.: Please state required approvals for Russia, Brazil and North America with your order!
Note
  • The actuator is not included in the delivery of the switches

产品图片

 

技术参数

StandardsEN 60947-5-1; EN 1088;
EN 60079-0, EN 60079-1,
EN 60079-7, EN 60079-18;
EN 61241-0, EN 61241-1;
EN ISO 13849-1
Enclosureglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94-V0
Actuatorstainless steel 1.4301
Switch insertEx 95
Degree of protectionIP 64 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break
NC contacts
Switching elements2 NC/2 NO contacts, positive break NC contacts , galvanically separated contact bridges
Connectionscrew connection terminals
Cable cross-sectionmax. 1.5 mm²
(incl. conductor ferrules)
Cable entry2 x M20 x 1.5 for
cable diameter 5 … 9 mm
B10d (10 % Load)1 million
TMmax. 20 years
Uimp4 kV
Ui250 V
Ithe6 A
Ie/Ue3 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating6 A gG/gN fuse
Ie/Ue magnet0.08 A / 24 VDC +10 %/–15 %
Power consumptionmax. 47 W (0.25 s)
Ambient temperature–20 °C … +55 °C
Mechanical life> 500 000 operations
Holding force Fmax. 1000 N
Ex marking II 2G Ex demb IIC T4 Gb,
II 2D Ex tD A21 IP64 T100 °C
IECEx Ex demb IIC T4,
Ex tD A21 IP64 T100 °C
ApprovalsBVS 10 ATEX E 053 X
IECEx BVS 11.0030X