EX-ZK 235-11Z-3D

Item number: 101197740


TraceParts CAD Data
ePLAN Data
Product type description:

EX-(1)(2) 235-(3)Z-(4)-(5)-(6)-(7)-3D

ZSnap action
TSlow action (not for AF/S)

SPlunger S
RRoller plunger R
4SPlunger 4S
4RRoller plunger 4R
1ROffset roller lever 1R
KOffset roller lever K
3KAngle roller lever 3K
4KAngle roller lever 4K
K4Angle roller lever K4
1HRoller lever 1H
7HRoller lever 7H
10HRod lever 10H
12HRoller lever 12H
14HRoller lever 14H

022 NC contact
111 NO contacts/1 NC contact
202 NO contacts, (switches with 2 NO contacts are not suitable for safety applications)

HSlow action with staggered contacts
UESlow action with overlapping contacts

1297Enclosure with transverse slotted holes

2138Roller lever 7H for position switches with safety function

1637Gold-plated contacts
Not all component variants, which are possible according to this order code are available and/or technically feasible.
  • Snap action with constant contact pressure up to switching point
  • Metal enclosure
  • Wide range of alternative actuators
  • Good resistance to oil and petroleum spirit
  • 30 mm x 63,5 mm x 30 mm
  • Actuator heads can be repositioned by 4 x 90°
  • Mounting details to EN 50047
  • 1 Cable entry M 20 x 1.5

Ordering data

Product type description

EX-ZK 235-11Z-3D

Article number (order number)


EAN (European Article Number)


eCl@ss number, version 12.0


eCl@ss number, version 11.0


eCl@ss number, version 9.0


ETIM number, version 7.0


ETIM number, version 6.0


Approvals - Standards



Explosion protection

Explosion protection: regulations

EN IEC 60079-0

EN IEC 60079-15

EN 60079-31

Explosion protection zones



Explosion protection category



Explosion protection designation

D II 3G Ex nC IIC T5 Gc X

D II 3D Ex tc IIIC T90°C Dc X

Manufacturer declaration

ATEX Zone 2 and 22

General data



EN IEC 60947-5-1

Housing construction form

Norm construction design

Actuator type to EN 50047


Housing material

Metal, zinc die-cast

Housing coating material


Gross weight

197 g

General data - Features

Safety functions


Number of auxiliary contacts


Number of safety contacts


Safety classification


EN ISO 13849-1

Mission time

20 Year(s)

Safety classification - Safety outputs

B10D Normally-closed contact (NC)

20,000,000 Operations

Mechanical data

Actuating element

Offset roller lever

Mechanical life, minimum

20,000,000 Operations

Actuating force, minimum

9 N

Positive break force, minimum

19 N

Actuating speed, minimum

24 mm/min

Actuating speed, maximum

1 m/s

Note (Actuating speed)

Actuating speed with actuating angle 30° to switch axis

Mechanical data - Connection technique


Screw terminals M20 x 1.5

Cable cross-section of the cable glands, minimum

7 mm

Cable cross-section of the cable glands, maximum

12 mm

Cable section, minimum

0.75 mm²

Cable section, maximum

2.5 mm²


All indications including the conductor ferrules.

Wire cross-section

13 AWG

Mechanical data - Dimensions

Length of sensor

30 mm

Width of sensor

30 mm

Height of sensor

95.1 mm

Ambient conditions

Degree of protection


Ambient temperature

-20 ... +60 °C

Ambient conditions - Insulation values

Rated insulation voltage Ui

500 V

Rated impulse withstand voltage Uimp

6 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

1 A

Switching element

NO contact, NC contact

Switching principle

Snap action

Bounce duration, maximum

3 ms

Maximum switching frequency

5,000 /h

Switchover time, minimum

5.5 ms

Material of the contacts, electrical


Scope of delivery

Scope of delivery

Ex-certified screwed cable gland

Switch travel diagram


EU Conformity Declaration
EU Declaration of Conformity LOG_COM_lo1de01s

K.A. Schmersal GmbH & Co. KG
Möddinghofe 30
42279 Wuppertal
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-Z/T 235
Type:See ordering code
Marking:D II 3G Ex nC IIC T5 Gc X
D II 3D Ex tc IIIC T90°C Dc X
Description of the component:Positive break position switch
Relevant Directives:Explosion Protection Directive (ATEX)2014/34/EU
Applied standards:EN 60947-5-1:2017 + AC:2020
EN IEC 60079-0:2018
EN IEC 60079-15:2019
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 7, 2023
 Authorised signature
Philip Schmersal
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 on: 22/07/2024, 01:31