ZR 255-11Z
ZR 255-11Z
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- Snap action with constant contact pressure up to switching point
- 3 cable entries M 20 x 1.5
- Metal enclosure
- Wide range of alternative actuators
- Good resistance to oil and petroleum spirit
- 63 mm x 63,5 mm x 30 mm
- Actuator heads can be repositioned by 4 x 90°
- Mounting details to EN 50047
Ordering data
Product type description |
ZR 255-11Z |
Article number (order number) |
101162755 |
EAN (European Article Number) |
4030661200460 |
eCl@ss number, version 12.0 |
27-27-26-01 |
eCl@ss number, version 11.0 |
27-27-26-01 |
eCl@ss number, version 9.0 |
27-27-26-01 |
ETIM number, version 7.0 |
EC000030 |
ETIM number, version 6.0 |
EC000030 |
Approvals - Standards
|
CCC UKCA |
General data
Standards |
BG-GS-ET-15 EN ISO 13849-1 EN IEC 60947-5-1 |
Housing construction form |
Norm construction design |
Actuator type to EN 50047 |
c |
Housing material |
Metal, zinc die-cast |
Housing coating material |
painted |
Gross weight |
164 g |
General data - Features
Safety functions |
Yes |
Number of auxiliary contacts |
1 |
Number of safety contacts |
1 |
Safety classification |
Standards |
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 |
Roller plunger |
Mechanical life, minimum |
20,000,000 Operations |
Actuating force, minimum |
9 N |
Positive break force, minimum |
19 N |
Actuating speed, minimum |
20 mm/min |
Actuating speed, maximum |
1 m/s |
Note (Actuating speed) |
Actuating speed with actuating angle 30° to switch axis |
Mechanical data - Connection technique
Termination |
Screw terminals M20 x 1.5 |
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 |
30 mm |
Width of sensor |
63 mm |
Height of sensor |
86 mm |
Ambient conditions
Degree of protection |
IP65 IP67 |
Ambient temperature |
-30 ... +80 °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 |
Required rated short-circuit current |
1,000 A |
Utilisation category AC-15 |
240 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 |
Silver |
Language filter
Datasheet
Operating instructions (supplementary sheet/quick guide)
CCC certification
Download the latest version of Adobe Reader
Product picture (catalogue individual photo)
Dimensional drawing actuator
Switch travel 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: | Z/T 235, Z/T 236, Z/T 255, Z/T 256, Z/T 335, Z/T 336, Z/T 355, Z 332 |
Type: | See ordering code |
Description of the component: | Position switch |
Relevant Directives: | Low Voltage Directive | 2014/35/EU |
RoHS-Directive | 2011/65/EU |
Applied standards: | EN 60947-5-1:2017 |
Person authorised for the compilation of the technical documentation: | Oliver Wacker Möddinghofe 30 42279 Wuppertal |
Place and date of issue: | Wuppertal, April 20, 2021 |
![]() |
Authorised signature Philip Schmersal Managing Director |
UK Declaration of Conformity | ![]() |
Company: | K.A. Schmersal GmbH & Co. KG Möddinghofe 30 42279 Wuppertal Germany Internet: www.schmersal.com |
Declaration: | We hereby, under sole responsibility, certify that the hereafter described components both in their basic design and construction conform to the relevant statutory requirements, regulations and designated standards of the United Kingdom. |
Name of the component: | Z/T 235, Z/T 236, Z/T 255, Z/T 256, Z/T 335, Z/T 336, Z/T 355, Z 332 |
Type: | See ordering code |
Description of the component: | Position switches |
Relevant legislation: | Electrical Equipment (Safety) Regulations | 2016 |
The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations | 2012 |
Designated standards: | EN 60947-5-1:2017 |
UK-Importer / Person authorised for the compilation of the technical documentation: | Schmersal UK Ltd. Paul Kenney Unit 1, Sparrowhawk Close Enigma Business Park Malvern, Worcestershire, WR14 1GL |
Place and date of issue: | Wuppertal, November 23, 2021 |
![]() |
Authorised signature Philip Schmersal Managing Director |
Schmersal Canada Ltd., 29 Centennial Road, Unit 1, Orangeville, Ontario L9W 1R1 Canada
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: 2024-08-28, 9:00 p.m.