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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• Fail-safe standstill monitors
• This fail-safe standstill monitor has the particular advantage that no adjustment for a required-value is needed during comissioning.
• 3 safety contacts, STOP 0
• Control category 4 to EN ISO 13849-1

Ordering details
Product type descriptionSSW301HV-115V
Article number101182592
EAN Code4250116202607
Approval USA/CAN BG
StandardsEN ISO 13849-1, IEC 61508, EN 60947-5-1
PLup e (STOP 0)
Control categorybis 4 (STOP 0)
DC99% (STOP 0)
CCF> 65 points
PFH≤ 2,0.0 x 10-8/h (STOP 0)
- noticeup to max. 36500 switching cycles/year and at max. 60% contact load
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 lightSSW301HV
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
- Material of the housingsPlastic, glass-fibre reinforced thermoplastic
- Material of the contactsAgSn0 + Au, self-cleaning, positive action
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)-
Automatic reset function (Y/N)Yes
Reset with edge detection (Y/N)No
Pull-in delay
- ON delay with automatic starttyp. 7 s after detection of the standstill
Drop-out delay
- Drop-out delay in case of emergency stop< 15
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 shock30 g / 11 ms
Resistance to vibration To EN 60068-2-610…55 HZ, Amplitude 0,35 mm
Ambient conditions
Ambient temperature
- Min. environmental temperature−25
- Max. environmental temperature+45
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 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 controls-
- Max. rated DC voltage for controls-
Rated AC voltage for controls, 50 Hz
- Min. rated AC voltage for controls, 50 Hz97.8
- Max. rated AC voltage for controls, 50 Hz126.5
Rated AC voltage for controls, 60 Hz
- Min. rated AC voltage for controls, 60 Hz97.8
- Max. rated AC voltage for controls, 60 Hz126.5
Contact resistancemax. 100 mΩ
Power consumptionmax. 4 VA
Type of actuationAC
Rated operating voltage Ue115 VAC −15% / +10%
Electronic protection (Y/N)No
Fuse rating for the operating voltageInternal electronic trip 64 mA slow blow
Monitored inputs
- Short-circuit recognition (Y/N)Yes
- Wire breakage detection (Y/N)Yes
- Earth connection detection (Y/N)Yes
Number of shutters0
Number of openers0
Cable length< 10
Conduction resistancemax. 40 Ω
Stop category0
Number of safety contacts3
Number of auxiliary contacts1
Switching capacity
- Switching capacity of the safety contactsmax. 250 V, 6 A ohmic (inductive in case of appropriate protective wiring)
min. 10 V / 10 mA
- Switching capacity of the auxiliary contacts24 VDC, 2 A
Fuse rating
- Protection of the safety contacts6.3 A slow blow
- Fuse rating for the signaling/diagnostic outputs2 A slow blow
Utilisation categoryAC-15: 230 V / 6 A;
DC-13: 24 V / 6 A
Number of undelayed semi-conductor outputs with signaling function0
Number of undelayed outputs with signaling function (with contact)1
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.3
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´s5
LED switching conditions display
- The integrated LEDs indicate the following operating states.
- UB: Supply voltage available
- B: Frequency at channel B
- A: Frequency at channel A
- OUT: Enabling safety contacts 13-14, 23-24 closed
- ERR: Error functional defect
Miscellaneous data
Applications safe standstill monitoring
- Width90 mm
- Height83 mm
- Depth127 mm
Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.
notice - Wiring example
The sensor-free standstill monitor checks the e.m.f. of the three phase motor.
To secure a guard door
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 15.09.2019 - 18:10:32h Kasbase 3.3.0.F.64I