EX-TR 335-20Z-3G/D

Item number: 103004158


ePLAN Data
Product type description:
EX-(1)(2) 335-(3)Z(4)-(5)-(6)-(7)-3G/D

ZSnap action
TSlow action (not for AF/S)

SPlunger S
RRoller plunger R
HRoller lever H
10HRod lever 10H
7HRoller lever 7H
7H-2138Roller lever 7H for position switches with safety function
1KOffset roller lever 1K
3KAngle roller lever 3K

111 NO contacts/1 NC contact
022 NC contact
202 NO contacts (not suitable for safety applications)
01/011 NC contact left / 1 NC contact right
121 NO contact/2 NC contacts
033 NC contact

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.

Ordering data

Product type description

EX-TR 335-20Z-3G/D

Article number (order 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 IEC 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

Additional simple electrical apparatus (Zone 0 and 20)

General data

Housing construction form

Norm construction design

Actuator type to EN 50041


Enclosure material


Enclosure coating material


Material of the contacts, electrical


Gross weight

240 g

General data - Features

Number of auxiliary contacts


Number of safety contacts


Safety classification


EN ISO 13849-1

Mission time

20 Year(s)

Mechanical data

Actuating element

Roller plunger

Mechanical life, minimum

30,000,000 Operations

Impact energy, maximum

4 J

Actuating force, minimum

17 N

Actuating speed, maximum

0.5 m/s

Note (Actuating speed)

Actuating speed with actuating angle 30° to switch axis

Note (Switchover time)

Switchover time in accordance with actuating speed

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

Note (Cable section)

All indications including the conductor ferrules.

Wire cross-section

13 AWG

Cable cross-section of the cable glands

7 ... 12 mm

Mechanical data - Dimensions

Length of sensor

38 mm

Width of sensor

40.5 mm

Height of sensor

116.6 mm

Ambient conditions

Degree of protection


Ambient temperature, minimum

-20 °C

Ambient temperature, maximum

+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

4 A

Switching element

Normally open contact (NO)

Switching principle

Slow action

Bounce duration, maximum

2 ms

Switching frequency

5,000 /h

Language filter

NEPSI Certificate

Download the latest version of Adobe Reader

Switch travel diagram


Schmersal Ltd., Sparrowhawk Close, WR14 1GL Malvern

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: 31/01/2023, 06:52