EX-AZ 3350-12ZUEK-U270-3D
| Product type description: EX-AZ 3350-(1)-(2)-(3)-3D |
| (1) | |
| 03ZK | 3 NC contact |
| 12ZUEK | 1 NO contact/2 NC contacts |
| (2) | |
| without | - |
| 1637 | Gold-plated contacts |
| (3) | |
| U90 | Actuating head can be rotated 90° for door hinge left |
| U270 | Actuating head can be rotated 270° for door hinge right |
- Ex-Zone 22
- Metal enclosure
- 40,5 mm x 114 mm x 38 mm
- Latching handle
- 1 Cable entry M 20 x 1.5
- Centring device available
- High level of contact reliability with low voltages and currents
- SZ 415 lockout tag to prevent unintended closing
Ordering data
| Product type description |
EX-AZ 3350-12ZUEK-U270-3D |
| Article number (order number) |
151185216 |
| eCl@ss number, version 12.0 |
27-27-26-02 |
| eCl@ss number, version 11.0 |
27-27-26-02 |
| eCl@ss number, version 9.0 |
27-27-26-02 |
| ETIM number, version 7.0 |
EC002592 |
| ETIM number, version 6.0 |
EC002592 |
Approvals - Standards
| Certificates |
ATEX (Konformitätserklärung) |
Explosion protection
| Explosion protection: regulations |
EN IEC 60079-0 EN 60079-31 |
| Explosion protection zones |
22 |
| Explosion protection category |
3D |
| Explosion protection designation |
D II 3D Ex tc IIIC T90°C Dc X |
General data
| Standards |
EN IEC 60947-5-1 |
| Housing material |
Light alloy die-casting |
| Housing coating material |
painted |
| Gross weight |
195 g |
Safety classification
| Standards |
EN ISO 13849-1 |
| Mission time |
20 Year(s) |
Safety classification - Safety outputs
| B10D Normally-closed contact (NC) |
2,000,000 Operations |
| B10D Normally open contact (NO) |
1,000,000 Operations |
Mechanical data
| Mechanical lifetime, minimum |
1,000,000 Operations |
| Positive break travel |
10.7 mm |
| Positive break force, minimum |
5 N |
| Note (Positive break force) |
per NC |
| Actuating speed, maximum |
1 m/s |
| Actuator rotation |
270 ° |
Mechanical data - Connection technique
| Termination |
Screw terminals M20 x 1.5 |
| Cable cross-section of the cable glands, minimum |
6 mm |
| Cable cross-section of the cable glands, maximum |
12 mm |
| Cable section, minimum |
0.75 mm² |
| Cable section, maximum |
2.5 mm² |
| Note |
All indications including the conductor ferrules. |
Mechanical data - Dimensions
| Length of sensor |
38 mm |
| Width of sensor |
40.5 mm |
| Height of sensor |
114 mm |
Ambient conditions
| IP Degree of protection |
IP67 |
| Ambient temperature |
-10 ... +60 °C |
Ambient conditions - Insulation values
| Rated insulation voltage Ui |
250 VAC |
| Rated impulse withstand voltage Uimp |
4 kV |
Electrical data
| Thermal test current |
10 A |
| Utilisation category AC-15 |
230 VAC |
| Utilisation category AC-15 |
4 A |
| Utilisation category DC-13 |
24 VDC |
| Utilisation category DC-13 |
4 A |
| Switching principle |
Slow action |
| Material of the contacts, electrical |
Silver |
Scope of delivery
| Scope of delivery |
Actuator must be ordered separately. Ex-certified screwed cable gland |
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Datasheet
Operating instructions and Declaration of conformity
SISTEMA-VDMA library
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Product picture (catalogue individual photo)
ID: kexazf15
| 494.1 kB | .jpg | 352.778 x 613.481 mm - 1000 x 1739 px - 72 dpi
| 68.8 kB | .png | 74.083 x 128.764 mm - 210 x 365 px - 72 dpi
| 25.0 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi
| 4.3 MB | .png | 199.9 x 347.7 mm - 1999 x 3477 px - 254 dpi
| 29.9 kB | .jpg | 70.908 x 123.47200000000001 mm - 201 x 350 px - 72 dpi
Dimensional drawing basic component
Dimensional drawing basic component
Diagram
| EU Declaration of Conformity | ![]() |
| Original | K.A. Schmersal GmbH & Co. KG Möddinghofe 30 42279 Wuppertal Germany Internet: www.schmersal.com |
| Declaration: | We hereby certify that the hereafter described components both in their basic design and construction conform to the applicable European Directives. |
| Name of the component: | EX-AZ 3350 |
| Type: | See ordering code |
| Marking: | D II 3D Ex tc IIIC T90°C Dc X |
| Description of the component: | Positive break position switch with separate actuator for safety functions |
| Relevant Directives: | Machinery Directive | 2006/42/EC |
| Explosion Protection Directive (ATEX) | 2014/34/EU | |
| RoHS-Directive | 2011/65/EU |
| Applied standards: | EN 60947-5-1:2017 + AC:2020 EN IEC 60079-0:2018 EN 60079-31:2014 |
| Conformity with the explosion protection directive 2014/34/EU (ATEX) is declared by the manufacturer without involving a conformity assessment center. |
| Person authorised for the compilation of the technical documentation: | Oliver Wacker Möddinghofe 30 42279 Wuppertal |
| Place and date of issue: | Wuppertal, September 12, 2023 |
![]() |
| Authorised signature Philip Schmersal Managing Director |
| EU Declaration of Conformity | ![]() |
| Original | SCHMERSAL Industrial Switchgear (Shanghai) Co., Ltd. Cao Ying Road 3336 201712 Shanghai / Qingpu P.R. CHINA Internet: www.schmersal.com.cn |
| Declaration: | We hereby certify that the hereafter described components both in their basic design and construction conform to the applicable European Directives. |
| Name of the component: | EX-AZ 3350 |
| Type: | See ordering code |
| Marking: | D II 3D Ex tc IIIC T90°C Dc |
| Description of the component: | Positive break position switch with separate actuator for safety functions |
| Relevant Directives: | Machinery Directive | 2006/42/EC |
| Explosion Protection Directive (ATEX) | 2014/34/EU | |
| RoHS-Directive | 2011/65/EU |
| Applied standards: | EN 60947-5-1:2017 + AC:2020 EN IEC 60079-0:2018 EN 60079-31:2014 |
| Conformity with the explosion protection directive 2014/34/EU (ATEX) is declared by the manufacturer without involving a conformity assessment center. |
| Person authorised for the compilation of the technical documentation: | Oliver Wacker Möddinghofe 30 42279 Wuppertal |
| Place and date of issue: | Shanghai, January 19, 2024 |
![]() |
| Authorised signature Michele Seassaro Managing Director |
K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, 42279 Wuppertal
The details and data referred to have been carefully checked. Images may diverge from original. Further technical data can be found in the manual. Technical amendments and errors possible.
Generated at: 23/04/2026, 18:21


