Ex solenoid interlock
Ex STM 295-3G/D
Ex zone 2 and 22
Thermoplastic enclosure
Wiring compartment
Spring-to-lock or power-to-lock principle
Double insulated X
Locking force 1000 N
With LED
The actuator is not included in the delivery of the switches
Technical data
General technical data
Applied standards
EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-18, EN 60079-31, EN ISO 13849-1, EN ISO 14119
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, 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
IP67 (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
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 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)
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
L II 3G Ex dc ec mc IIC T4 Gc X
L II 3D Ex tc IIIC T100°C Dc X
