Ex STM 295-3G/D

  • Ex zone 2 and 22
  • Thermoplastic enclosure
  • Wiring compartment
  • Spring-to-lock or power-to-lock principle
  • Double insulated
  • Locking force 1000 N
  • With LED
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standardsEN 60947-5-1; EN 60079-0;
EN 60079-1; EN 60079-7;
EN 60079-18; EN 60079-31;
EN ISO 13849-1; EN ISO 14119
Enclosureglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94-V0
Switch typetype 2
Coding levellow coding
Tightening torquecover screws 0.5 … 0.6 Nm, switch inserts M3 screw clamps min. 0.6 Nm, solenoid M3.5 screw clamps min. 0.8 Nm
Degree of protectionIP 67 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements2 NC/2 NO, 3 NC/1 NO or 4 NC/2 NO contact, type Zb
Connectionscrew connection terminals
Cable cross-sectionmax. 1.5 mm² (incl. conductor ferrules)
Cable entry2 x M20 x 1.5 (incl. 1 cable gland)
Clamping range7 … 13 mm
B10d (10 % load)1 million
TMmax. 20 years
Rated impulse withstand voltage Uimp4 kV
Rated operating isolation voltage Ui250 V
Ithe3 A
Rated operating current/voltage Ie/Ue3 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating6 A gG/gN fuse
Ie/Ue solenoid0.08 A / 24 VDC +10 %/–15 %
Power consumptionmax. 47 W (0.25 s)
Max. fuse rating solenoid2 A (slow blow)
Ambient temperature–20 °C … +55 °C
Mechanical life> 500 000 operations
Locking force Fmax1000 N
Impact energymax. 7 J
Ex marking II 3G Ex dc ec mc IIC T4 Gc
II 3D Ex tc IIIC T100°C Dc

Stock types

The new steute product and warehouse structure

Spring-to-lock principle
2 NC/2 NO contacts
with manual release FE

Ordering details

Spring-to-lock principle
2 NC/2 NO contacts

Type   Material no.  
Type    Material no.   
Ex STM 295 2Ö/2S-R-3G/D 1183008
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Type    Material no.   
Ex STM 295 2Ö/2S-R/90°-3G/D 1184334
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If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring-to-lock principle
2 NC/2 NO contacts

with manual release FE

Type   Material no.  
Type    Material no.   
Ex STM 295 2Ö/2S-R-FE-3G/D stock type Standard versions, in stock or available at short notice 1183680
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Type    Material no.   
Ex STM 295 2Ö/2S-R/90°-FE-3G/D 1185098
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If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring-to-lock principle
3 NC/1 NO contact

with manual release FE

Type   Material no.  
Type    Material no.   
Ex STM 295 3Ö/1S-R-FE-3G/D 1184175
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Type    Material no.   
Ex STM 295 1Ö1S/2Ö-R-FE-3G/D 1312596
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Type    Material no.   
Ex STM 295 3Ö/1S-R/90°-FE-3G/D 1186458
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If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring-to-lock principle
4 NC/2 NO contacts

Type   Material no.  
Type    Material no.   
Ex STM 295 2Ö1S/2Ö1S-R-3G/D 1187919
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If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Power-to-lock principle
2 NC/2 NO contacts

Type   Material no.  
Type    Material no.   
Ex STM 295 2Ö/2S-A-3G/D 1183007
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If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Power-to-lock principle
3 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex STM 295 3Ö/1S-A-3G/D 1187286
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If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

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