Ex solenoid interlock
Ex STM 298-3G/D
Ex zone 2 and 22
Metal enclosure
Wiring compartment
Spring-to-lock or power-to-lock principle
With auxiliary release for service, maintenance, etc.
1 ATEX cable gland is included in delivery
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 60079-15, EN 60079-31, EN ISO 13849-1, EN ISO 14119
Enclosure
aluminium die-cast
Actuator head
aluminium die-cast
Switch type
type 2
Coding level
low coding
Degree of protection
IP67 (IEC/EN 60529)
B10d
12 million (bei DC-13 100 mA/24 V)
Mechanical life
1 million operations
Ambient temperature
–20 °C … +75 °C
Degree of pollution
3
Mounting position
any
Actuating speed V
max. 20 m/min
Extraction force (not locked)
30 N
Retention force
20 N
Actuating force
max. 35 N
Operation cycles
max. 1200/h
Switching system
slow action
Contact material
Silver, gold flashed
Cable entry
3 x M20 x 1.5
Clamping range
6,5 … 12 mm
Cable cross-section
0.34 … 1.5 mm² (flexible/fixed)
Rated insulation voltage Ui
50 V
Rated impulse withstand voltage Uimp
2.5 kV
Conditional short-circuit current
100 A
Switching voltage
min. 12 V at 10 mA
Utilisation category
AC-15; DC-13
Rated operating current/voltage Ie/Ue
4 A/50 VAC; 4 A/24 VDC
Switching current
min. 1 mA at 24 V
Short-circuit protection
4 A gG fuse (IEC 60269-1)
Conventional thermal current Ithe
4 A
Solenoid operating voltage Us
24 V AC/DC (+10%/–15%)
Power consumption
8 W
Switch-on time ED
100 %
Locking force Fmax
actuator straight: 3000 N
actuator angled: 1500 N
actuator flexible: 3000 N
Locking force FZh
(FZh = Fmax/1.3) = 2300 N
Impact energy
max. 7 J
Ex marking
L II3G Ex nR IIB T4 Gc X
L II3D Ex tc IIIC T110°C Dc X
