Explosion-proof solenoid interlock Ex STM 295 series

• Ex zone 1 and 21 • Thermoplastic enclosure • Wiring compartment • Spring-to-lock or power-to-lock principle • Double insulated X • Locking force 1000 N • Attention: Please state required international approvals with your order! Applied standards EN 60947-5-1, EN ISO 14119, EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-18, EN 60079-31, EN ISO 13849-1 Enclosure thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0 Actuator stainless steel 1.4301 Switch type type 2 Coding level low coding Tightening torque cover screws: 0.5 … 0.6 Nm enclosure mounting screws: 1 … 1.3 Nm switch inserts M3 screw connection terminals: min. 0.6 Nm solenoid M3.5 screw connection terminals: min. 0.8 Nm Degree of protection IP64 (IEC/EN 60529) B10d (10 % load) 1 million TM max. 20 years Contact material silver Switching system slow action, positive break NC contacts A Switching elements 1 NC/1 NO contact + 1 NC/1 NO contact or 2 NC + 1 NC/1 NO contact or 2 NC/1 NO contact + 2 NC/1 NO contact, type Zb Connection screw connection terminals Cable cross-section solenoid: 0.2 … 1.5 mm2 (AWG 24 … 16) switch inserts: 0.75 … 1.5 mm2 (AWG 18 … 16) Cable entry 2 x M20 x 1.5 Clamping range 7 … 12 mm Rated insulation voltage Ui 250 V Rated impulse withstand voltage Uimp 4 kV Utilisation category AC-15; DC-13 Rated operating current/voltage Ie/Ue enabling/signalling contacts: 3 A/250 VAC; 0.25 A/230 VDC or 1.5 A/250 VAC; 0,25 A/230 VDC; direct-current solenoid: 0.08 A / 24 VDC +10 %/–15 % Short-circuit protection 3 A / 1.5 A gG/gN fuse; direct-current solenoid: 2 A (slow blow) Power consumption <2.5 W (continuous operation), max. 47 W (for 250 ms)