Ex STM 295 1NC1NO/1NC1NO-R-FE JPEx

Ex solenoid interlock
Material number: 1319584
  • Special version with Ex approval and Ex marking only for Japan
  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • Double insulated
  • Two Ex switch inserts in one enclosure
  • Spring-to-lock principle
  • Locking force 1000 N
  • Wiring compartment
  • FE: with manual release by male triangular wrench M5
Note
  • The actuator is not included in the delivery of the switches
Contact

Technical data

Applied standards EN 60947-5-1, EN ISO 14119, EN 60079-0, EN 60079-1, EN 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
Switch type type 2
Coding level low coding
Tightening torque cover screws: 0.5 … 0.6 Nm
switch inserts M3 screw connection terminals: min. 0.6 Nm
solenoid M3.5 screw connection terminals: min. 0.8 Nm
Degree of protection IP 64 to IEC/EN 60529
B10d (10 % load) 1 million
TM max. 20 years
Contact material silver
Switching system slow action, positive break NC contacts
Switching elements 1 NC/1 NO contact + 1 NC/1 NO contact, type Zb
Connection screw connection terminals
Cable cross-section min. 0.2 mm² / AWG 24, max. 1.5 mm² / AWG 16
Cable entry 2 x M20 x 1.5 (incl. 1 cable gland)
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;
solenoid: 0.08 A / 24 VDC +10 %/–15 %
Short-circuit protection 6 A gG/gN fuse;
solenoid: 2 A (slow blow)
Power consumption >2.5 VA (continuous operation)
max. 47 VA (for 250 ms)
Operation cycles max. 1200/h
Mechanical life > 500 000 operations
Locking force Fmax 1000 N
Impact energy max. 7 J
Ambient temperature –20 °C … +55 °C
Ex marking Ex db eb mb IIC T4 Gb
Ex tb IIIC T100 °C Db
Approvals Japan: CML 18JPN3354X
Weight 443 g

Contact diagram


Actuators

Type   Material no.  
Type    Material no.   
Straight actuator STM 295-B1 stock type Standard versions, in stock or available at short notice 1183481
Type   Material no.  
Type    Material no.   
Angled actuator STM 295-B5 stock type Standard versions, in stock or available at short notice 1183470
Type   Material no.  
Type    Material no.   
Flexible actuator STM 295-B6 stock type Standard versions, in stock or available at short notice 1435030