Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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• Suitable for signal processing of potential-free outputs, e.g. emergency stop command devices, position switches and solenoid interlocks
• 2 safety contacts, STOP 0
• 1 Signalling output

 
 
Ordering details
 
Product type descriptionSRB201LC
Article number101212555
EAN Code
eCl@ss27-37-19-01
 
Approval
 
Approval
 
Classification
 
StandardsEN ISO 13849-1, IEC 61508, EN 60947-5-1
PLup e (STOP 0)
Control categoryup 4 (STOP 0)
DC99 (STOP 0)
CCF> 65 points
PFH value≤ 2,0 x 10-8/ (STOP 0)
SILup 3 (STOP 0)
Mission time20 Years
- noticeThe PFH value is applicable for the combinations listed in the table for contact load (K) (current through enabling paths) and switching cycle number (n-op/y).
In case of 365 operating days per year and a 24-hour operation, this results in the specified switching cycle times (t-cycle) for the relay contacts.
Diverging applications on request.
 
Global Properties
 
Permanent lightSRB201LC
StandardsIEC/EN 60204-1, EN 60947-5-1, EN ISO 13849-1, IEC 61508
Compliance with the Directives (Y/N) Yes
Climatic stressEN 60068-2-78
Mountingsnaps onto standard DIN rail to EN 60715
Terminal designationsIEC/EN 60947-1
Materials
- Material of the housingsPlastic, glass-fibre reinforced thermoplastic, ventilated
- Material of the contacts, self-cleaning, positive action
Weight200
Start conditionsAutomatic or Start button
Feedback circuit (Y/N)Yes
Start-up test (Y/N)No
Automatic reset function (Y/N)Yes
Reset with edge detection (Y/N)No
Pull-in delay
- ON delay with automatic start100
Drop-out delay
- Drop-out delay in case of power failure70
- Drop-out delay in case of emergency stop25 / 30
 
Mechanical data
 
Connection typeScrew connection
Cable section
- Min. Cable section0,25
- Max. Cable section2.5
Pre-wired cablerigid or flexible
Tightening torque for the terminals0,6
Detachable terminals (Y/N)No
Mechanical life10.000.000 operations
Electrical lifetimeDerating curve available on request
restistance to shock10 / 11
Resistance to vibration To EN 60068-2-610…55 HZ, Amplitude 0,35 mm, ± 15 %
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−25
- Max. environmental temperature+60
Storage and transport temperature
- Min. Storage and transport temperature−40
- Max. Storage and transport temperature+85
Protection class
- Protection class-EnclosureIP40
- Protection class-TerminalsIP20
- Protection class-ClearanceIP54
Air clearances and creepage distances To IEC/EN 60664-1
- Rated impulse withstand voltage4
Overvoltage categoryII To VDE 0110
- Degree of pollution2 To IEC/EN 60664-1
 
Electromagnetic compatibility (EMC)
 
EMC ratingconforming to EMC Directive
 
Electrical data
 
Rated DC voltage for controls
- Max. rated DC voltage for controls20.4
- Max. rated DC voltage for controls28.8
Rated AC voltage for controls, 50 Hz
- Min. rated AC voltage for controls, 50 Hz20.4
- Max. rated AC voltage for controls, 50 Hz26.4
Rated AC voltage for controls, 60 Hz
- Min. rated AC voltage for controls, 60 Hz20.4
- Max. rated AC voltage for controls, 60 Hz26.4
Contact resistance100
Power consumption2; 5.2
Type of actuationAC/DC
Rated operating voltage24 −15 / +20, residual ripple 10
24 −15 / +10
Frequency range50 / 60
Electronic protection (Y/N)No
Fuse rating for the operating voltageInternal electronic trip,
tripping current > 500 ,
Reset after approximately 1 second/s
Bridging in case of voltage drops60
 
Inputs
 
Monitored inputs
- Short-circuit recognition (Y/N)No
- Wire breakage detection (Y/N)Yes
- Earth connection detection (Y/N)Yes
Number of shutters0
Number of openers2
Cable length1500 with 1.5 ;
2500 with 2.5
Conduction resistance40
 
Outputs
 
Stop category0 / 1
Number of safety contacts2
Number of auxiliary contacts0
Number of signalling outputs1
Switching capacity
- Switching capacity of the safety contacts230 , 4 A ohmic (inductive in case of appropriate protective wiring)
5 , 1
- Switching capacity of the signaling/diagnostic outputs24 / 100
Fuse rating
- Protection of the safety contacts4 A slow blow
Fuse rating for the signaling/diagnostic outputsInternal electronic trip, tripping current > 100
Utilisation category To EN 60947-5-1AC-15: 230 V / 2 A
DC-13: 24 V / 1 A
Number of undelayed semi-conductor outputs with signaling function1
Number of undelayed outputs with signaling function (with contact)0
Number of delayed semi-conductor outputs with signaling function.0
Number of delayed outputs with signalling function (with contact).0
Number of secure undelayed semi-conductor outputs with signaling function0
Number of secure, undelayed outputs with signaling function, with contact.2
Number of secure, delayed semi-conductor outputs with signaling function0
Number of secure, delayed outputs with signaling function (with contact).0
 
LED switching conditions display
 
LED switching conditions display (Y/N)Yes
Number of LED´s3
LED switching conditions display
- The integrated LEDs indicate the following operating states.
- Position relay K2
- Position relay K1
- Internal operating voltage
 
Miscellaneous data
 
Applications Emergency-Stop button
Guard system
Pull-wire emergency stop switches
Safety light curtain
 
Dimensions
 
Dimensions
- Width22.5
- Height100
- Depth121
 
notice
 
Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.
 
notice - Wiring example
 
Input level: The example shows a 2-channel control of a guard door monitoring with two position switches, whereof one with positive break, external reset button (R); cross-wire monitoring and feedback circuit (H2)
The control recognises cross-short, cable break and earth leakages in the monitoring circuit.
Relay outputs: Suitable for 2 channel control, for increase in capacity or number of contacts by means of contactors or relays with positive-guided contacts.
In case of a 1-channel control, connect the NC contact to the operating voltage and bridge S11/S12 and S21/S22.
Automatic start: The automatic start is programmed by connecting the feedback circuit to the terminals X1/X2. If the feedback circuit is not required, establish a bridge
The wiring diagram is shown with guard doors closed and in de-energised condition.

K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal
The data and values have been checked throroughly. Technical modifications and errors excepted.
Generiert am 19.02.2019 - 20:51:02h Kasbase 3.3.0.F.64I