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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• Expander module for contact expansion
• 4 safety contacts, STOP 0
• 2 Signalling outputs

 
Preferred typ
 
Ordering details
 
Product type descriptionSRB402EM
Article number101170840
EAN Code4250116201518
Replaced article number 101175611
eCl@ss27-37-19-01
 
Approval
 
Approval USA/CAN
EAC
 
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/h (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 lightSRB402EM
StandardsEN 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 contactsAgSn0, self-cleaning, positive action
Weight250
Start conditionsAutomatic
Start input (Y/N)No
Feedback circuit (Y/N)Yes
Start-up test (Y/N)No
Reset after disconnection of supply voltage (Y/N)No
Automatic reset function (Y/N)Yes
Reset with edge detection (Y/N)No
Pull-in delay
- ON delay with automatic starttyp. 30 ms / max. 45 ms
Drop-out delay
- Drop-out delay in case of emergency stoptyp. 25 ms / max. 35 ms
 
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)Yes
Mechanical life10.000.000 operations
Electrical lifetimeDerating curve available on request
restistance to shock30 g / 11 ms
Resistance to vibration To EN 60068-2-610…55 HZ, Amplitude 0,35 mm, ± 15 %
Resistance to vibration To EN 60068-2-610…55 HZ, Amplitude 0,35 mm, ± 15 %
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−25 °C
- Max. environmental temperature+45 °C
Storage and transport temperature
- Min. Storage and transport temperature−40 °C
- Max. Storage and transport temperature+85 °C
Protection class
- Protection class-EnclosureIP40
- Protection class-TerminalsIP20
- Protection class-ClearanceIP54
Air clearances and creepage distances To IEC/EN 60664-1
- Rated impulse withstand voltage Uimp4 kV
- Overvoltage categoryIII To VDE 0110
- Degree of pollution2 To VDE 0110
 
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 resistancemax. 100 mΩ
Power consumption1.0 W; 1.0 VA
Type of actuationAC/DC
Rated operating voltage Ue24 VDC −15% / +20%, residual ripple max. 10%;
24 VAC −15% / +10%
Operating current Ie0,05 A
Frequency range50 / 60 HZ
Electronic protection (Y/N)No
Fuse rating for the operating voltage1.0 A slow blow
 
Inputs
 
Monitored inputs
- Short-circuit recognition (Y/N)No
- Wire breakage detection (Y/N)Yes
- Earth connection detection (Y/N)Yes
Number of shutters0 piece
Number of openers1 piece
Cable length1500 m with 1.5 mm²;
2500 m with 2.5 mm²
Conduction resistancemax. 40 Ω
 
Outputs
 
Stop category0
Number of safety contacts4 piece
Number of auxiliary contacts2 piece
Number of signalling outputs0 piece
Switching capacity
- Switching capacity of the safety contactsmax. 250 V, 6 A ohmic (inductive in case of appropriate protective wiring)
- Switching capacity of the auxiliary contacts24 VDC, 2 A
Fuse rating
- Protection of the safety contacts6 A slow blow
- Fuse rating for the auxiliary contacts2 A slow blow
Utilisation category To IEC/EN 60947-5-1AC-15: 230 V / 6 A
DC-13: 24 V / 6 A
Utilisation category To EN 60947-5-1depending on the connected safety relay module
Number of undelayed semi-conductor outputs with signaling function0 piece
Number of undelayed outputs with signaling function (with contact)2 piece
Number of delayed semi-conductor outputs with signaling function.0 piece
Number of delayed outputs with signalling function (with contact).0 piece
Number of secure undelayed semi-conductor outputs with signaling function0 piece
Number of secure, undelayed outputs with signaling function, with contact.4 piece
Number of secure, delayed semi-conductor outputs with signaling function0 piece
Number of secure, delayed outputs with signaling function (with contact).0 piece
 
LED switching conditions display
 
LED switching conditions display (Y/N)Yes
Number of LED´s1
LED switching conditions display
- The integrated LEDs indicate the following operating states.
- Position relay K1/K2
 
Miscellaneous data
 
Applications Output expanders
depending on the connected safety relay module
 
Dimensions
 
Dimensions
- Width22.5 mm
- Height120 mm
- Depth121 mm
 
notice
 
Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.
 
notice - Wiring example
 
Relay outputs: 1-channel control of the expander module is suitable for contact reinforcement or multiplication of the connected safety relay module.
Terminals X1 and X2 of the expander module must be connected to the feedback circuit or reset circuit of the safety relay module.
The wiring diagram shows the control of the expander module by a SRB... safety relay module with the 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 23.04.2019 - 09:52:35h Kasbase 3.3.0.F.64I