Ex 97

  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • Cold-resistant down to -60 °C
  • High degree of protection IP 66 / IP 67 / IP 69
  • Suitable for the food processing industry
  • Design to EN 50047
  • Wiring compartment
  • Double insulated
  • Slow or snap action
  • Available with contact overlapping
  • Actuator can be repositioned by 4 x 90°
  • Rocking lever can be repositioned by 10° steps
  • With 3 contacts available on request
Note
  • 1 Ex"e" cable gland M20x1.5 included in delivery

Technical data

Applied standards EN 60947-5-1, EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31, EN ISO 13849-1, EN ISO 14119
Enclosure thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Cover thermoset, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Sealing silicone
Switch type type 1
Coding level no coding
Tightening torque cover screws: 0.4 … 0.45 Nm
connecting thread of cable gland: max. 2 Nm
cap nut of cable gland: max. 5 Nm
Degree of protection IP 66 to EN 60079-0 + IEC/EN 60529 (... -60 °C)
IP 67 to EN 60079-0 + IEC/EN 60529 (... -20 °C)
IP 67 / IP 69 to IEC/EN 60529
IP 69K to ISO 20653
B10d (10 % load) 2 million
TM max. 20 years
Switch insert Type 8080/1 ...
Contact material Silver, nickel-plated
Switching system slow or snap action, positive break NC contacts ; positive break depends on the actuator used
Switching elements 1 NC/1 NO, 2 NC or 1 NC/1 NO contact with contact overlapping, type Zb
Connection screw connection terminals
Cable cross-section min. 0,75 mm² / AWG 18, max. 1,5 mm² / AWG 16, incl. conductor ferrules
Cable entry M20 x 1,5; screwing depth max. 9 mm; use only Ex approved and certified cable glands with min. degree of protection IP 66 and suitable for the specified ambient temperature range
Clamping range 7 … 12 mm
Utilisation category AC-15
Rated operating current Ie max. 2 A or 4 A
Rated operating voltage Ue max. 500 VAC, 2Ö: max. 400 VAC
max. 250 VAC for unequal potential
Degree of pollution 3
Mechanical life > 1 million operations
Impact energy max. 7 J
Temperature class T6
Ambient temperature –60 °C … +55 °C max. 4 A, +60 °C max. 2 A
Short-circuit protection 2 A / 4 A gG/gN fuse
Ex marking II 2G Ex db eb IIC T6 Gb,
II 2D Ex tb IIIC T80 °C Db
IECEx Ex db eb IIC T6 Gb,
Ex tb IIIC T80 °C Db
Approvals BVS 16 ATEX E 052
IECEx BVS 16.0052

Ordering details

Plunger with collar W, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 W-11 -60°C  * 1292311
Type    Material no.   
Ex ES 97 W-02 -60°C  * 1430320
Type    Material no.   
Ex ES 97 W-11U -60°C  * on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 W-11 -60°C  * 1430318

Roller plunger R, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 R-11 -60°C  * 1336578
Type    Material no.   
Ex ES 97 R-02 -60°C  * 1430395
Type    Material no.   
Ex ES 97 R-11U -60°C  * 1217578
Type    Material no.   
Ex EM 97 R-11 -60°C  * 1430872

Long roller plunger RL, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 RL-11 -60°C  * 1336619
Type    Material no.   
Ex ES 97 RL-02 -60°C  * 1430443
Type    Material no.   
Ex ES 97 RL-11U -60°C  * on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 RL-11 -60°C  * 1431037

Roller lever with collar WH, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 WH-11 -60°C  * 1336662
Type    Material no.   
Ex ES 97 WH-02 -60°C  * 1430485
Type    Material no.   
Ex ES 97 WH-11U -60°C  * on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 WH-11 -60°C  * 1431110

Parallel roller lever with collar WPH, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 WPH-11 -60°C  * 1336702
Type    Material no.   
Ex ES 97 WPH-02 -60°C  * 1430536
Type    Material no.   
Ex ES 97 WPH-11U -60°C  * on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 WPH-11 -60°C  * 1431162

Rocking lever D, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 D-11 -60°C  * 1336746
Type    Material no.   
Ex ES 97 D-02 -60°C  * 1430584
Type    Material no.   
Ex ES 97 D-11U -60°C  * on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 D-11 -60°C  * 1431213

Rocking lever with rubber roller D50, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 97 D50-11 -60°C  * 1404832
Type    Material no.   
Ex ES 97 D50-02 -60°C  * 1430640
Type    Material no.   
Ex ES 97 D50-11U -60°C  * on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 D50-11 -60°C  * 1431266

Adjustable rocking lever DS

Type   Material no.  
Type    Material no.   
Ex ES 97 DS-11 -60°C 1336789
Type    Material no.   
Ex ES 97 DS-02 -60°C 1430692
Type    Material no.   
Ex ES 97 DS-11U -60°C 1225938
Type    Material no.   
Ex EM 97 DS-11 -60°C 1431346

Rod lever DD

Type   Material no.  
Type    Material no.   
Ex ES 97 DD-11 -60°C 1336834
Type    Material no.   
Ex ES 97 DD-02 -60°C 1430751
Type    Material no.   
Ex ES 97 DD-11U -60°C on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Type    Material no.   
Ex EM 97 DD-11 -60°C 1431494

Spring rod with plastic tip TK

Type   Material no.  
Type    Material no.   
Ex ES 97 TK-11 -60°C 1415038
Type    Material no.   
Ex ES 97 TK-02 -60°C 1430809
Type    Material no.   
Ex EM 97 TK-11 -60°C 1336295

Plastic spring rod TKK

Type   Material no.  
Type    Material no.   
Ex ES 97 TKK-11 -60°C 1451424
Type    Material no.   
Ex EM 97 TKK-11 -60°C 1450769

Accessories

Ex e cable gland M20x1.5 -60 °C
  • For series Ex 97 / Ex 99
  • Explosion protection method Ex „e“ (increased safety)
  • Cold-resistant down to -60 °C