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ZR 256-02Z-RVA
ZR 256-02Z-RVA
- 2 cable entries M 20 x 1.5
- Snap action with constant contact pressure up to switching point
- Mounting details to EN 50047
- Thermoplastic enclosure
- Double-insulated
- 58 mm x 50,5 mm x 31 mm
- Good resistance to oil and petroleum spirit
- Wide range of alternative actuators
- Actuator heads can be repositioned by 4 x 90°
Ordering data
| Product type description |
ZR 256-02Z-RVA |
| Article number (order number) |
101184626 |
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 |
Plastic, glass-fibre-reinforced |
| Gross weight |
84 g |
General data - Features
| Safety functions |
Yes |
| Number of safety contacts |
2 |
| Safety classification |
| Vorschriften |
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 |
| Roller material |
Stainless steel (V2A) |
| 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 |
31 mm |
| Width of sensor |
58 mm |
| Height of sensor |
67 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 |
230 VAC |
| Utilisation category AC-15 |
4 A |
| Utilisation category DC-13 |
24 VDC |
| Utilisation category DC-13 |
1 A |
| Switching element |
Opener (NC) |
| Switching principle |
Snap action |
| Bounce duration, maximum |
3 ms |
| Maximale Schalthäufigkeit |
5,000 /h |
| Switchover time, maximum |
5.5 ms |
| Material of the contacts, electrical |
Silver |
Language filter
Datasheet
Operating instructions (supplementary sheet/quick guide)
SISTEMA-VDMA library
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Product picture (catalogue individual photo)
Dimensional drawing actuator
Switch travel diagram
Contact closed
Contact open
Setting range
Latching point
Positive opening path/angleDiagram
Monitoring the interlock to EN ISO 14119
Positive break NC contact
Actuated
Not actuated
Normally-open contact
Normally-closed contact
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: 04/07/2025, 09:15