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Installation Guide : MRK6 & MRK21 Safety Switches
Keep this guide for future reference
Before using this product, read this guide thoroughly along with any relevant European and/or National standards e.g. Machinery
Directive 2006/42/EC and it's amendments, Provision and Use of Work Equipment Regulations. Further information can be obtained from
Contacts
Safety Contact Rating
Safety Contact Switching
Auxiliary Contact Rating
Auxiliary Contact Switching
Internal Fuse
External Fuse Fast Acting
(Customer supplied)
Construction
Mechanical Life
Electrical Life
Shock
Vibration
Operating Temperature ( High Temp )
IP Rating
Fixing
Connection
Safety Related Data
B10d
TM (Mission Time)
PFHd
MTTFd
High > 100 Years ( Based on usage rate of 360 Days/Year, 24 Hours/Day, 10 Operations/Hour )
Note 1
Based on dual channel wiring according to CAT 3. Diagnostic coverage provided by downstream control logic. DC - medium, MTTFd = 100 Years
May be suitable for performance level applications PLe according to ISO 13849-1. (SIL 3 or SIL 2 according to IEC 62061)
Safety Standards
Approvals
European Directives
European Standards
Description:
The MRK range of safety switches are non-contact, magnetically operated
switch and actuator, suitable for use in machine guarding applications.
The MRK safety switches are designed to be used in safety
related control system. A risk assessment should take place to estab-
application required.
See Technical Specifications below or contact Bernstein for further
further information.
information
This information is designed to help suitably qualified personnel install and operate Bernstein Safety
MRK6
Maximum 2 x NO + 1 x NC
230Vac / 2Amps, 110Vac / 3Amps or 24Vdc / 1 Amp
10mm ON / 28mm OFF
24VDC / 300mA
11mm OFF / 21mm ON
230Vac - 2 Amps / 110Vac - 3Amps / 24Vdc - 1 Amp
230Vac - 1.6 Amps
24Vdc - 800mA
RED ABS, or 316 Grade Stainless Steel
10 x 10
6
1 x 10
6
30g, 11ms IEC 68-2-27
10 - 50Hz IEC 68-2-6
-25°C to +55°C ( HT -25°C to +125°C )
IP67
M4 Torx security screws (Tightening Torque 1.0NM)
Pre-wired or M12 Quick Disconnect
2,000,000
> 20 Years
4.3 x 10
See Note 1
-8
CE Complies with all relevant sections of the CE Marking Directive
UL 508 Industrial Control TUV Approved
Machinery Directive 2006/42/EC, Low Voltage Directive 2006/95/EC; EMC Direcivd 2004/108/EC
BS EN 12100 Safety of Machinery. General principles for design.
BS EN ISO 14119 Safety of Machinery. Interlocking devices associated with guards. Principles for design and selection.
BS EN ISO 13849 Safety of Machinery. Safety related parts of control systems.
BS EN ISO 62061 Safety of Machinery. Functional safety of safety related electrical, electronic and programmable elec-
tronic control systems
BS EN 60204 Safety of Machinery. Electrical equipment of machines.
BS EN 60947-5-1 Low-voltage switchgear and controlgear.
BS EN 60947-5-3 Low-voltage switchgear and controlgear.
MRK21
Maximum 2 x NO + 1 x NC
230Vac / 2Amps or 24Vdc / 1 Amp
10mm ON / 28mm OFF
NOTE : MRK21-SS-ACT-SP - Special Actuator (for improved
performance on ferrous metal applications)
24VDC / 300mA
11mm OFF / 21mm ON
230Vac - 2 Amps / 24Vdc - 1 Amp
230Vac - 1.6 Amps
24Vdc - 800mA
RED ABS, or 316 Grade Stainless Steel
10 x 10
6
1 x 10
6
30g, 11ms IEC 68-2-27
10 - 50Hz IEC 68-2-6
-25°C to +55°C ( HT -25°C to +125°C )
IP67
M4 Torx security screws (Tightening Torque 1.0NM)
Pre-wired or M12 Quick Disconnect
PFH
DC
SFF
6.52 x 10
-8
99%
98%
.
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Related Manuals for BERNSTEIN MRK6
Summary of Contents for BERNSTEIN MRK6
- Page 1 Keep this guide for future reference This information is designed to help suitably qualified personnel install and operate Bernstein Safety Before using this product, read this guide thoroughly along with any relevant European and/or National standards e.g. Machinery Directive 2006/42/EC and it’s amendments, Provision and Use of Work Equipment Regulations. Further information can be obtained from...
- Page 2 Dimensions MRK6-P MRK6-SS (ABS) (Stainless Steel) MRK21-P MRK21-SS (ABS) (Stainless Steel) Switch with M12 connector MRK6-P/MRK6-SS/MRK21-P/MRK21-SS All Dimensions in MM Operation When the safety switch and actuator are within operating range, the safety contacts will close and the auxiliary contact will open.
- Page 3 Contact will close and the N/C contact will open All safety contacts should be fused externally Fuses AC CONTACTS = 1.6 Amps Fast Acting Fuse (MRK6-10-110AC = 3 Amps Fast Acting Fuse) DC CONTACTS = 0.8 AMPS Fast Acting Fuse Switching Characteristics MRK6...
- Page 4 EN 62061. Full declaration of conformity can be made available upon request. NOTES to ensure compliance with any acts or by-laws in place. All information regarding Bernstein equipment is believed to be accurate at the time of printing. Responsibility cannot be accepted for errors or omissions.
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