1. No category

Ex solenoid interlocks
Ex STM 295
Features/Options
Ex zone 1 and 21
Thermoplastic enclosure
Double insulated X
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
Dimensions
Technical data
EN 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
glass-fibre reinforced,
shock-proof thermoplastic,
self-extinguishing UL 94-V0
stainless steel 1.4301
Ex 95
IP 64 to IEC/EN 60529
silver
slow action, positive break
Standards
Enclosure
Actuator
Switch insert
Degree of protection
Contact material
Switching system
NC contacts A
2 NC/2 NO contacts, positive break
Switching elements
Connection
Cable cross-section
Cable entry
B10d (10 % Load)
TM
Uimp
Ui
Ithe
Ie/Ue
Utilisation category
Max. fuse rating
Ie/Ue magnet
Power consumption
Ambient temperature
Mechanical life
Holding force F
Ex marking
Approvals
NC contacts A, galvanically
separated contact bridges
screw connection terminals
max. 1.5 mm²
(incl. conductor ferrules)
2 x M20 x 1.5 for
cable diameter 5 … 9 mm
1 million
max. 20 years
4 kV
250 V
6A
3 A/250 VAC; 0.25 A/230 VDC
AC-15; DC-13
6 A gG/gN fuse
0.08 A / 24 VDC +10 %/–15 %
max. 47 W (0.25 s)
–20 °C … +55 °C
> 500 000 operations
max. 1000 N
L II 2G Ex demb IIC T4 Gb,
LII 2D Ex tD A21 IP64 T100 °C
IECEx Ex demb IIC T4,
Ex tD A21 IP64 T100 °C
BVS 10 ATEX E 053 X
IECEx BVS 11.0030X
Ä
Printed:
2014-11-17
Page
1/5
steute Schaltgeräte
GmbH & Co. KG
Brückenstraße 91
32584 Löhne, Germany
fd
Telefon +49 (0) 5731 745-0
Telefax +49 (0) 5731 745-200
info@steute.com
www.steute.com
Ex solenoid interlocks
Ex STM 295
Errors and omissions excepted.
Printed:
2014-11-17
Page
2/5
steute Schaltgeräte
GmbH & Co. KG
Brückenstraße 91
32584 Löhne, Germany
Telefon +49 (0) 5731 745-0
Telefax +49 (0) 5731 745-200
info@steute.com
www.steute.com
Ex solenoid interlocks
Ex STM 295
Ordering details
Spring-to-lock principle
2 NC/2 NO contacts
Type
Ex STM 295 2Ö/2S-R
Ex STM 295 2Ö/2S-R-90°
Ex STM 295 2Ö/2S-R-FE
Material no.
1186429
1188541
1186394
Power-to-lock principle
2 NC/2 NO contacts
Type
Ex STM 295 2Ö/2S-A
Material no.
1184799
Type
Straight actuator STM 295-B1
Material no.
1183481
Actuators
Straight actuators
Printed:
2014-11-17
Page
3/5
steute Schaltgeräte
GmbH & Co. KG
Brückenstraße 91
32584 Löhne, Germany
Telefon +49 (0) 5731 745-0
Telefax +49 (0) 5731 745-200
info@steute.com
www.steute.com
Ex solenoid interlocks
Ex STM 295
Actuators
Angled actuators
Printed:
2014-11-17
Type
Angled actuator STM 295-B5
Page
4/5
steute Schaltgeräte
GmbH & Co. KG
Brückenstraße 91
32584 Löhne, Germany
Material no.
1183470
Telefon +49 (0) 5731 745-0
Telefax +49 (0) 5731 745-200
info@steute.com
www.steute.com
Ex solenoid interlocks
Ex STM 295
Accessories
Triangular key
Printed:
2014-11-17
Type
M5 triangular key
Page
5/5
steute Schaltgeräte
GmbH & Co. KG
Material no.
1182300
Brückenstraße 91
32584 Löhne, Germany
Telefon +49 (0) 5731 745-0
Telefax +49 (0) 5731 745-200
info@steute.com
www.steute.com