Ex 99

  • 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 50041
  • 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
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: 1.5 … 2 Nm
connecting thread of cable gland: max. 2 Nm
cap nut of cable gland: max. 5 Nm
Degree of protection IP 66 (EN 60079-0 + IEC/EN 60529)
IP 67, IP 69 (IEC/EN 60529)
IP 69K (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 down to -40 °C
max. 4 J down to -60 °C
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 E113 X
IECEx BVS 16.0076X

Stock types

The new steute product and warehouse structure

Plunger S

Roller plunger R

Roller lever H

Rocking lever D

Adjustable rocking lever DS

Spring rod with plastic tip TK

Ordering details

Plunger S, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 99 S-11 -60°C X  * 1349234
Type    Material no.   
Ex ES 99 S-02 -60°C X  * 1441051
Type    Material no.   
Ex ES 99 S-11U -60°C X  * 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 99 S-11 -60°C X  * 1404450

Roller plunger R, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 99 R-11 -60°C X  * 1349302
Type    Material no.   
Ex ES 99 R-02 -60°C X  * 1441132
Type    Material no.   
Ex ES 99 R-11U -60°C X  * 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 99 R-11 -60°C X  * 1442354

Roller lever H, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 99 H-11 -60°C X  * 1349368
Type    Material no.   
Ex ES 99 H-02 -60°C X  * 1441184
Type    Material no.   
Ex ES 99 H-11U -60°C X  * 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 99 H-11 -60°C X  * 1442452

Parallel roller lever PH, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 99 PH-11 -60°C X  * 1349434
Type    Material no.   
Ex ES 99 PH-02 -60°C X  * 1441262
Type    Material no.   
Ex ES 99 PH-11U -60°C X  * 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 99 PH-11 -60°C X  * 1442544

Rocking lever D, * with safety function

Type   Material no.  
Type    Material no.   
Ex ES 99 D-11 -60°C X  * 1349491
Type    Material no.   
Ex ES 99 D-02 -60°C X  * 1441962
Type    Material no.   
Ex EM 99 D-11 -60°C X  * 1442636

Adjustable rocking lever DS

Type   Material no.  
Type    Material no.   
Ex ES 99 DS-11 -60°C X 1349735
Type    Material no.   
Ex ES 99 DS-02 -60°C X 1442032
Type    Material no.   
Ex ES 99 DS-11U -60°C X 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 99 DS-11 -60°C X 1442717

Rod lever DD

Type   Material no.  
Type    Material no.   
Ex ES 99 DD-11 -60°C X 1349879
Type    Material no.   
Ex ES 99 DD-02 -60°C X 1442086
Type    Material no.   
Ex EM 99 DD-11 -60°C X 1443254

Spring rod with plastic tip TK

Type   Material no.  
Type    Material no.   
Ex ES 99 TK-02 -60°C X 1442152
Type    Material no.   
Ex EM 99 TK-11 -60°C X 1443893

Long spring rod with plastic tip TKL

Type   Material no.  
Type    Material no.   
Ex EM 99 TKL-11 -60°C X 1317944

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